Mechanical seals
Magnetic couplings
Pump seals
Agitator seals
Compressor seals
Magnetic couplings
Content and other brochures
Mechanical seals
Magnetic couplings
Additional Information
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Mechanical seals for pumps . . . . . . . . . . . . . . . . . . . . 6
Agitator seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Compressor seals . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137
Couplings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Materials table . . . . . . . . . . . Inside back cover
EagleBurgmann – Your System Supplier
Seal supply systems
Important note
Separately available brochures offer information
about additional product lines as well as notes on the
technology and selection of mechanical seals.
Brochure 84 Pages (Code: DMS_SSE)
All the technical specifications are based on extensive
tests and our many years of experience. However, the
diversity of possible applications means that they can
serve as guide values only.
All products can be retrieved interactively from
eagleburgmann.com. Among others, you will find
current data sheets in PDF format available for
download here.
Mechanical seal technology and
selection
Brochure 58 pages (Code: DMS_TSE)
Technical principles, designation codes, API plans, notes
on installation and operation and articles covering
theory and practice are summarized in the first part.
The second part concerns choosing a seal according to
media. Recommendations for arrangement, operation,
type and materials of the required mechanical seal for
over 900 media.
With extensive additional information.
The entire product portfolio of systems and components
for the cooling, flushing, pressurization and supplying
of liquid and gas-lubricated mechanical seals, e.g.
quench and thermosiphon systems, heat exchangers,
buffer pressure systems, leakage monitoring and
API682-compliant supply systems.
Carbon floating ring seals
Brochure 32 Pages (Code: EBES)
TotalSealCare . . . . . . . . . . . . . . . . . . Outside back cover
Company profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Additional product lines. . . . . . . . . . . . . . . . . . . . . . . 144
It should be noted that the extremal values of each
operating parameter cannot be applied at the same time
because of their interaction. Furthermore, the operating
range of each specific product depends on the
respective shaft diameter, materials used, mode of
operation and on the medium to be sealed.
A guarantee can only be given in the individual case if
the exact conditions of application are known and these
are confirmed in a special agreement. When critical
conditions of operation are involved, we recommend
consulting with our specialist engineers.
Subject to change.
Maintenance-free, compact cartridge labyrinth
seals with long service life and best performance from
EagleBurgmann-Espey. For the sealing of gases,
dust and vapors in turbines, fans, compressors,
centrifuges and mills.
1
2
Our products –
as varied as our customers
EagleBurgmann products deliver safe, reliable sealing
performance in any application including oil pumping and
cracking, gas compression, process gas containment,
phase separation or synthesis of chemical substances,
pipeline sealing, dairy product filling or compensation
of temperature expansion in flue gas systems.
The EagleBurgmann portfolio:
A product range with an unlimited horizon.
EagleBurgmann is one of the world’s leading
manufacturer of industrial sealing solutions. Our
extensive portfolio includes everything from standard
seals to one-off application-specific designs:
Our challenge is to design seals that are able to
withstand a wide range of media, different aggregate
states and varying pressure and temperature and to
provide special solutions for small installation up to seal
contact areas of several meters. Every application has its
own special requirements profile, and our job is to
provide the best sealing solution.
• Mechanical seals
• Magnetic couplings
• Seal supply systems
• Carbon floating ring seals
• Compression packings
• Gaskets
• Expansion joints
• Special products
• TotalSealCare Services
Total commitment to quality excellence.
Outstanding quality is the top priority at EagleBurgmann.
Our products are designed for user-friendly installation,
optimal functionality and long service life. Our R&D
activities, advanced quality management system,
in-house test facilities and in-depth engineering expertise
ensure that our seals meet the most demanding
customer expectations. Starting right back in the
development phase, our employees continually verify the
quality of our products, and we carry out systematic
inspection and testing to guarantee that customers are
getting top quality.
Proud of the trust which our customers place
in us.
EagleBurgmann is a dependable, competent partner.
Our customers are always in total control of the media in
their pumps, agitators, compressors, blowers, turbines,
valves and pipeline systems even when operating
conditions are extremely harsh. There is good reason
why customers in the oil & gas, refinery, chemical,
energy, food processing, paper, water, marine, aerospace,
mining and other industries choose EagleBurgmann as
their sealing solutions supplier.
3
4
1
Mechanical seals
Mechanical seals for pumps
EagleBurgmann offers a complete range of liquid and
gaslubricated pump shaft seals including standard
and engineered seals in single and multi-seal versions.
We also offer a complete range of solutions for all
API 682 4th edition* categories and arrangements.
The portfolio includes a broad selection of material and
surface technologies such as DiamondFace coatings.
Mechanical seals for agitators
Sealing solutions for normal and sterile applications.
The design and selection of materials ensure that the
seals are rugged enough to deliver outstanding cost
and engineering performance in everyday applications.
Mechanical seals for compressors
A complete range of products for process gas
compressors from a single source. Single, double and
tandem versions and tandem seals with intermedia
labyrinths. Rugged, non-wearing, non-contact seals
designed to deliver outstanding performance and long
service life.
* Request our separately available API 682 printed publication
series. Additional comprehensive documents and information
are available at eagleburgmann.com/api682.
Mechanical seals for pumps
Pusher seals
M2N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
M3N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
M7N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
M74-D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
H7N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
HA211 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
LB500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
H74-D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
EK700 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Pulace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
HRN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
H75VN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
H75VK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
HJ92N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
H12N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
H3B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
H10/H8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Standard cartridge seals
Cartex Single seals . . . . . . . . . . . . . . . . . . . . . . . . . 34
Cartex Dual seals . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Cartex ANSI Single seals . . . . . . . . . . . . . . . . . . . . . 38
Cartex ANSI Dual seals . . . . . . . . . . . . . . . . . . . . . . 40
MA290/MA390 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Unitex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Mtex Single seals. . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Mtex Dual seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
APItex-S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
APItex-T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Elastomer bellows seals
eMG1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
eMG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
MG1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
MG9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
EA560 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
ED560 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
EA100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
EH700 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
BT-AR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
BT-A2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
BT-PN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Metal bellows seals
MBS100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
MFL85N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
MFLWT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
MFLCT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
MF95N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
YE400 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
MFL65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
SHF(V)-D / SHP(V)-D . . . . . . . . . . . . . . . . . . . . . . . . 86
Split seals
Splitex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
HGH201 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Gas-lubricated seals
GSO-DN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
EM300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
CGSH-K . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
HRGS-D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
NF992 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Agitator seals
Dry-running seals
SeccoMix 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
SeccoMix 481 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
SeccoMix 461 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
SeccoMix R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
AD510/AD520 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Gas-lubricated seals
AGSZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
AGSR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Liquid-lubricated seals
ERB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
M481 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
M461 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MR-D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HS-D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HSH-D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HSH(L)U-D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
110
112
114
116
118
119
120
Shut-down seal
STD1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Compressor seals
Gas-lubricated seals
DGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PDGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MDGS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TDGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NF941 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
122
124
126
128
129
Oil-lubricated seals
WRS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
EBU800 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Separation seals
CSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
CSR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
CobaSeal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Engineered seals
EK777 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
HR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
HRC...N. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
SH(V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
SHF/SHP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
SHPV/SHFV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
SAF(V) / SAP(V) . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
5
Mechanical seals • Mechanical seals for pumps • Pusher seals
M2N
l8
d7
H8
H11
h6
d1
3
d6
min
Part no. to DIN 24250
472
412.1
474
478
479
475
412.2
d8
5
l 7 +0,5
© M2N
Description EagleBurgmann
Product
variants
Seal face
M2
O-Ring
Rotating unit M2 with seat G4
Thrust ring
or G16 (shorter installation length)
Righthand spring
Seal face: Carbon graphite resin impregnated (B)
Lefthand spring
Seat G4: Silicon carbide (Q1),
Seat (G9)
Special cast CrMo steel (S)
O-Ring
Seat G16: Silicon carbide (Q1, Q2),
Special cast CrMo steel (S), Aluminium oxide (V)
M2N4
Rotating unit M2 with seat G6
Seal face: Carbon graphite resin impregnated (B)
Seat G6: Silicon carbide (Q1),
Special cast CrMo steel (S)
Seat alternatives
G6 (EN 12756)
G6 (M32N4) © EagleBurgmann
l 16
l5
G4
G4 © EagleBurgmann
H11
H8
d7
l 18
d6
20°
l6
l 19
H7
l 14
l 12
d 12
l 28
l 15
R
l6
+0,1
l5
l 10
6
2
l9
1)
d 11
Recommended applications
• Water and waste water technology
• Building services industry
Item
1.1
1.2
1.3
1.4
1.4
2
3
30°
Standards and approvals
• EN 12756
1.1
l 1N
d 7 H8
Materials
Seal face: Carbon graphite resin impregnated (B)
Seat G9: Silicon carbide (Q1, Q2),
Special cast CrMo steel (S), Aluminium oxide (V)
l3 / l 21
d 6 H11
Operating range (see note on page 1)
Shaft diameter: d1 = 6 … 38 mm (0.25" … 1.5")
Pressure: p1 = 10 bar (145 PSI)
Temperature: t = –20 °C … +140 °C (–4 °F … +355 °F)
Sliding velocity: vg = 15 m/s (50 ft/s)
Axial movement: ±1.0 mm
1.3 1.2
20°
20°
Advantages
• Economical seal solution
• No damage of the shaft by set screws
• Short installation length possible (G16)
db
d3
1.4
Features
• For plain shafts
• Single seal
• Unbalanced
• Conical spring rotating
• Dependent on direction of rotation
l6
l5
b
(EN 12756)
G16G16
© EagleBurgmann
Dimensions in mm
d1
6
8
10
12
14
15
16
18
20
22
24
25
26
28
30
32
35
38
1)
d3
15
18
20
22
25
27
27
30
32
35
38
40
41
43
47
48
53
56
d6
–
–
17
19
21
–
23
27
29
31
33
34
–
37
–
–
–
–
d7
–
–
21
23
25
–
27
33
35
37
39
40
–
43
–
–
–
–
d8
–
–
3
3
3
–
3
3
3
3
3
3
–
3
–
–
–
–
d11
11.8
15.5
15.5
17.5
20.5
20.5
22
24
29.5
29.5
32
32
34
36
39.2
42.2
46.2
49.2
d12
16
19.2
19.2
21.6
24.6
24.6
28
30
35
35
38
38
40
42
45
48
52
55
db
8
11
13
16
18
19
21
23
26
28
30
31
32
35
37
39
43
47
l1N
–
–
40
40
40
–
40
45
45
45
50
50
–
50
–
–
–
–
l 31)
–
–
17.5
17.5
17.5
–
19.5
20.5
22
23.5
25
26.5
–
26.5
–
–
–
–
l5
–
–
1.5
1.5
1.5
–
1.5
2
2
2
2
2
–
2
–
–
–
–
l6
–
–
4
4
4
–
4
5
5
5
5
5
–
5
–
–
–
–
l7
–
–
8.5
8.5
8.5
–
8.5
9
9
9
9
9
–
9
–
–
–
–
l8
–
–
17.5
17.5
17.5
–
17.5
19.5
19.5
19.5
19.5
19.5
–
19.5
–
–
–
–
l10
–
–
7.5
7.5
7.5
–
7.5
8.5
8.5
8.5
8.5
8.5
–
8.5
–
–
–
–
l12
6.5
8
7.5
8
8
7.5
8.5
9
8.5
8.5
8.5
8.5
9
10
11.5
13
13.5
13
l14
5.6
7
6.6
7
7
6.6
7.5
8
7.5
7.5
7.5
7.5
8
9
10.5
10.5
11
10.3
l15
1.2
1.2
1.2
1.2
1.2
1.2
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
l16
3.8
3.8
3.8
3.8
3.8
3.8
5
5
5
5
5
5
5
5
5
5
5
5
l18
–
–
–
–
–
–
–
15
15
15
15
15
–
15
15
15
15
16
l19
–
–
–
–
–
–
–
7
7
7
7
7
–
7
7
7
7
8
l211)
10.9
15.5
15.9
16
16
17.4
19
20.5
22
23.5
25
26.5
26.5
26.5
25
28.5
28.5
32
l28
–
–
6.6
6.6
6.6
–
6.6
7.5
7.5
7.5
7.5
7.5
–
7.5
–
–
–
–
b
–
–
8
8
8
–
8
8
8
8
8
8
–
8
–
–
–
–
R
1.2
1.2
1.2
1.2
1.2
1.2
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
l3 valid for M2N, l21 valid for M2
7
Mechanical seals • Mechanical seals for pumps • Pusher seals
M3N
l 3 / l 21
3)
Part no. to DIN 24250
472
412.1
474
478
479
475
412.2
Operating range (see note on page 1)
Shaft diameter: d1 = 6 … 80 mm (0.24" … 3.15")
Pressure: p1 = 10 bar (145 PSI)
Temperature: t = –20 °C … +140 °C (–4 °F … +355 °F)
Sliding velocity: vg = 15 m/s (50 ft/s)
Axial movement: ±1.0 mm
Product variants
M3
Items and description as M3N.
Seal face: Special cast CrMo steel (S)
Seat G13: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B)
Materials
Seal face: CrMo special cast steel (S)
Seat G9: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B)
M32
Items and descriptions as for type M3N, but with carbon
graphite seal face shrink-fitted into the seal face carrier
(Item no. 1.1).
Standards and approvals
• EN 12756
Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B)
Seat G4: Special cast CrMo steel (S),
Silicon carbide (Q1, Q2)
Seat G6 (M32N4): Special cast CrMo steel (S),
Silicon carbide (Q1, Q2)
Seat G9 (M32N): Silicon carbide (Q1, Q2)
H8
3
d8
l9
5
l 1N
Item
1.1
1.2
1.3
1.4
1.4
2
3
l 7 +0,5
DescriptionEagleBurgmann © M3N
Seal face
O-Ring
Thrust ring
Righthand spring
Lefthand spring
Seat (G9)
O-Ring
Seat G6 also available in A, B = G30 (longer installation
length than G6)
M37G
Items and descriptions as for type M3N, but with shrink
fitted silicon carbide seal face to the seal face carrier
(Item no. 1.1)
Shaft diameter: d1 = 16 … 80 mm (0.63" … 3.15")
Temperature: t = –20 °C … +180 °C (–4 °F … +355 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Seal face: Silicon carbide (Q12, Q22),
Tungsten carbide (U22)
Seat G4: Silicon carbide (Q1, Q2)
Seat G13: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B)
Seat G6 (M37GN4): Silicon carbide (Q1, Q2)
Seat G9 (M37GN): Carbon graphite antimony impregnated
(A), Carbon graphite resin impregnated (B),
Silicon carbide (Q1, Q2)
Seat G6 also available in A, B = G30 (longer installation
length than G6)
l22
l 23
d 13
d 13
M32
M37G
M32 © EagleBurgmann
8
2
20°
Advantages
• Universal application opportunities
• Insensitive to low solids content
• No damage of the shaft by set screws
• Large choice of materials
• Short installation lengths possible (G16)
• Variants with shrink-fitted seal face available
Recommended applications
• Chemical industry
• Pulp and paper industry
• Water and waste water technology
• Building services industry
• Food and beverage industry
• Sugar industry
• Low solids content media
• Water and sewage water pumps
• Submersible pumps
• Chemical standard pumps
• Eccentric screw pumps
• Cooling water pumps
• Basic sterile applications
1.1
d7
h6
d1
1.3 1.2
l6
H11
min
db
d3
Features
• For plain shafts
• Single seal
• Unbalanced
• Rotating conical spring
• Dependent on direction of rotation
1.4
l5
d6
l8
b
M37G © EagleBurgmann
Seat alternatives
Dimensions in mm
d1
6
8
10*
12*
14*
15
16*
18*
20*
22*
24*
25*
26
28*
30*
32*
33*
35*
38*
40*
42
43*
45*
48*
50*
53*
55*
58*
60*
63*
65*
68*
70*
75*
80*
d3
14
18
19
21
23
24
26
29
31
33
35
36
37
40
43
46
47
49
53
56
59
59
61
64
66
69
71
76
78
83
84
88
90
98
100
d6
–
–
17
19
21
–
23
27
29
31
33
34
–
37
39
42
42
44
49
51
–
54
56
59
62
65
67
70
72
75
77
81
83
88
95
d7
–
–
21
23
25
–
27
33
35
37
39
40
–
43
45
48
48
50
56
58
–
61
63
66
70
73
75
78
80
83
85
90
92
97
105
G6 (EN 12756)
d111) d121)
11.5 16
15.5 19.2
15.5 19.2
17.5 21.6
20.5 24.6
20.5 24.6
22
28
24
30
29.5 35
29.5 35
32
38
32
38
34
40
36
42
39.2 45
42.2 48
–
–
46.2 52
49.2 55
52.2 58
53.3 62
–
–
55.3 64
59.7 68.4
60.8 69.3
–
–
66.5 75.4
69.5 78.4
71.5 80.4
–
–
76.5 85.4
82.7 91.5
83
92
90.2 99
95.2 104
d13
16
18
20
22
24
25
26
31
34
36
38
39
40
42
44
46
47
49
54
56
58
59
61
64
66
69
71
78
79
83
85
88
90
98
103
db
8
11
13
16
18
19
21
23
26
28
30
31
32
35
37
39
40
43
45
49
52
52
55
58
61
64
66
69
71
74
77
80
83
88
93
l1N
–
–
40
40
40
–
40
45
45
45
50
50
–
50
50
55
55
55
55
55
–
60
60
60
60
70
70
70
70
70
80
80
80
80
90
l 33)
–
–
15.5
16
16.5
–
18
19.5
22
21.5
23.5
26.5
–
26.5
26.5
28.5
28.5
28.5
33.5
36
–
38.5
39.5
46
45
47
49
55
55
55
55
55
57
62
61.8
l5
–
–
1.5
1.5
1.5
–
1.5
2
2
2
2
2
–
2
2
2
2
2
2
2
–
2
2
2
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3
l7
–
–
8.5
8.5
8.5
–
8.5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
l8
–
–
17.5
17.5
17.5
–
17.5
19.5
19.5
19.5
19.5
19.5
–
19.5
19.5
19.5
19.5
19.5
22
22
–
22
22
22
23
23
23
23
23
23
23
26
26
26
26.2
l9
l10
–
–
–
–
10
7.5
10
7.5
10
7.5
–
–
10
7.5
11.5 8.5
11.5 8.5
11.5 8.5
11.5 8.5
11.5 8.5
–
–
11.5 8.5
11.5 8.5
11.5 8.5
11.5 8.5
11.5 8.5
14
10
14
10
–
–
14
10
14
10
14
10
15
10.5
15
12
15
12
15
12
15
12
15
12
15
12
18
12.5
18
12.5
18
12.5
18.2 13
l5
l6
G13
H8
d7
l 18
H11
H7
d 12
l 19
d6
+0,1
20°
R
30°
d 12 H7
G4
l6
–
–
4
4
4
–
4
5
5
5
5
5
–
5
5
5
5
5
6
6
–
6
6
6
6
6
6
6
6
6
6
7
7
7
7
l 16
l 15
l 13
l 11
G4 © EagleBurgmann
G6 (M32N4) © EagleBurgmann
d8
–
–
3
3
3
–
3
3
3
3
3
3
–
3
3
3
3
3
4
4
–
4
4
4
4
4
4
4
4
4
4
4
4
4
4
d 11
l 14
l 12
d 7 H8
d 6 H11
H8
d7
G9 (EN 12756)
G9 © EagleBurgmann
R
30°
20°
H11
d6
l 28
l 10
l 16
l 15
d 11
l6
l5
+0,1
l6
20°
l5
(EN 12756)
G16G16
© EagleBurgmann
G13 (M3) © EagleBurgmann
l11
9
9
9
10
10
11
11.5
12.5
12.5
12.5
12.5
12.5
13
14
14
14
–
14.5
14.5
14.5
17
–
17
17
17
–
18
18
18
–
18
19
18
18
19
l12
6.5
8
7.5
6.5
6.5
7.5
8.5
9
8.5
8.5
8.5
8.5
9
10
11.5
11.5
12
12
11.3
11.8
13.2
13.2
12.8
12.8
12.8
13.5
14.5
14.5
14.5
14.2
14.2
14.9
14.2
15.2
16.2
l13
7.1
7.1
7.1
7.6
7.6
8.6
9
10
9.5
9.5
9.5
9.5
10
11
11
11
–
11.5
11.5
11.5
14.3
–
14.3
14.3
14.3
–
15.3
15.3
15.3
–
15.3
16
15.3
15.3
16.3
l14
5.6
7
6.6
5.6
5.6
6.6
7.5
8
7.5
7.5
7.5
7.5
8
9
10.5
10.5
–
11
10.3
10.8
12
–
11.6
11.6
11.6
–
13.3
13.3
13.3
–
13
13.7
13
14
15
l15
1.2
1.2
1.2
1.2
1.2
1.2
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
–
1.5
1.5
1.5
2
2
2
2
2
–
2
2
2
–
2
2
2
2
2
l16
3.8
3.8
3.8
3.8
3.8
3.8
5
5
5
5
5
5
5
5
5
5
–
5
5
5
6
–
6
6
6
–
6
6
6
–
6
6
6
6
6
l18
l19
–
–
–
–
–
–
–
–
–
–
–
–
–
–
15
7
15
7
15
7
15
7
15
7
–
–
15
7
15
7
15
7
15
7
15
7
16
8
16
8
–
–
16
8
16
8
16
8
17
9.5
17
9.5
17
9.5
18
10.5
18
10.5
18
10.5
18
10.5
18.5 11
19
11.5
19
11.5
19
11.5
l213)
10.5
15.5
15.5
15.5
15.5
15.5
17.5
18.5
20
21.5
23
24.5
24.5
24.5
24.5
28
–
28
31
34
35
–
36.5
42
43
–
47
50
51
–
52
53
54
55
58
l22
11.9
16.9
16.9
17.4
17.4
17.4
19.5
20.5
22
23.5
25
26.5
26.5
26.5
25
28.5
–
28.5
32.2
34.7
37.3
–
39.2
44.7
45.7
–
49
52
53
–
54.3
55.3
56.3
56.3
59.3
l23
–
–
–
–
16.5
–
16.5
18
19
20.5
22
23.5
23.5
24.5
24.5
28
–
28
31
34
35
–
36.5
42
43
–
47
50
51
–
52
52.7
54
54
58
l28
–
–
6.6
6.6
6.6
–
6.6
7.5
7.5
7.5
7.5
7.5
–
7.5
7.5
7.5
7.5
7.5
9
9
–
9
9
9
9.5
11
11
11
11
11
11
11.3
11.3
11.3
12
b2) R
1.2
1.2
(8) 1.2
(8) 1.2
(8) 1.2
–
1.2
(8) 1.5
(8) 1.5
(8) 1.5
(8) 1.5
(8) 1.5
(8) 1.5
–
1.5
(8) 1.5
(8) 1.5
(8) 1.5
(8) 1.5
(8) 1.5
7.5 1.5
(8) 1.5
–
2.5
7.5 2.5
(8) 2.5
(8) 2.5
(8) 2.5
8 2.5
(8) 2.5
(8) 2.5
(8) 2.5
(8) 2.5
(8) 2.5
(8) 2.5
(10) 2.5
(10) 2.5
10 2.5
–
–
1)
Fitting dimensions d11 and d12 only apply to type M37G with d1 >16 mm
Dimensions in brackets lie either above or below l1N
3) l valid for M3...N, l valid for M3
3
21
* in accordance with EN 12756
2)
9
Mechanical seals • Mechanical seals for pumps • Pusher seals
M7N
l3
l8
l9
f
1) d
>100 mm: 30°
>100 mm: +0.1
3) d >100 mm: H7
1
2) d
1.2
°
Advantages
• Universal application opportunities
• Efficient stock keeping
• due to easily interchangeable faces
• Extended selection of materials
• Insensitive to low solids contents
• Flexibility in torque transmissions
• Self cleaning effect
• Short installation length possible (G16)
Operating range (see note on page 1)
Shaft diameter: d1 = 14 … 100 mm (0.55" … 3.94")
Pressure: p1 = 25 bar (363 PSI)
Temperature: t = –50 °C … +220 °C
(–58 °F … +428 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Axial movement:
d1 = … 25 mm: ±1 mm
d1 = 28 … 63 mm: ±1.5 mm
d1 = from 65 mm: ±2 mm
I1k
5
I7 +0,5
Materials
Item Part no. to DIN 24250 Description
M7N © EagleBurgmann
Seal face: Special cast CrMo steel (S), Silicon carbide
1.1
472
Seal face
(Q1, Q2), Aluminium Oxide (V)
1.2
485
Drive collar
Seat G9: Carbon graphite antimony impregnated (A),
1.3
474
Thrust ring
Carbon graphite resin impregnated (B), Silicon carbide
1.4
412.1
O-Ring
(Q1*, Q2*)
1.5
477
Spring
Seat G4: Silicon carbide (Q1*, Q2*)
1.6
904
Set screw
Seat G6: Silicon carbide (Q1*, Q2*)
2
475
Seat (G9)
Seat G13: Carbon graphite antimony impregnated (A),
3
412.2
O-Ring
Carbon graphite resin impregnated (B)
Recommended applications
Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K) • Process industry
Springs: CrNiMo steel (G)
• Chemical industry
Metal parts: CrNiMo steel (G), Duplex (G1)
• Pulp and paper industry
• Water and waste water technology
• Shipbuilding
* Cannot be combined with seal face in S
• Food and beverage industry
Standards and approvals
• Lube oils
• Low solids content media
• EN 12756
• Water / sewage water pumps
Torque transmissions
• Chemical standard pumps
• Vertical screw pumps
• Gear wheel feed pumps
• Multistage pumps (drive side)
• Circulation of printing colors with viscosity
• 500 … 15,000 mm2/s
d1 Torque
>100transmission
mm (3,94")
Drive key
Torque transmission by
(M7S2 / M74S2)
Set screw with cone point © EagleBurgmann
4 set screws with cone
Torque transmission
point. Offset: 90°
G6 (EN 12756)
G6 (M32N4) © EagleBurgmann
G4
G4 © EagleBurgmann
l 16
l5
l6
G13
G13 (M3) © EagleBurgmann
H8
d7
l 18
H11
l 19
d6
H7
d 12
20°
+0,1
l 13
l 11
d 11
d 12 H7
l 14
l 12
l 15
R
30°
l 16
d 11 +0,1
d 7 H8
H8
d7
d 6 H11
H11
d6
l 10
l 15
R
l6
30°
20°
20°
l5
l 28
G9 (M7N) © EagleBurgmann
10
d8
l6
Drive key © EagleBurgmann
l6
G9 (EN 12756)
1)
l5
Seat alternatives
l5
3
1.3
20
Features
• For plain shafts
• Single seal
• Unbalanced
• Super-Sinus-spring or multiple springs rotating
• Independent of direction of rotation
• Pumping screw for media with higher viscosity (M7..F)
• Variant with PTFE secondary seals for high chemical
resistance (M78N)
2
3)
1.1
1.4
d7 H8
1.5
2)
1.6
1
d6 H11
(>100 = h8)
d1 h6
d3
mx
1
G16
12756, but l1k
G16 (EN
© EagleBurgmann
is shorter than specified)
Product variants
M74
Dimensions, items and descriptions
as for M7N, but with multiple springs
(Item no. 1.5). Preferably for d1 >100 mm (3.94").
M7F
Shaft diameter: d1 = max. 100 mm (3.94")
Dimensions, items and descriptions
as for type M7N, but with pumping screw. Dependent on
direction of rotation! (Viscosity ≤ ISO VG10).
M74F
Shaft diameter: d1 = 14 … 200 mm (0.55" … 7.87")
Dimensions, items and descriptions
as for type M7N, but with multiple springs and pumping
screw. Dependent on direction of rotation!
(Viscosity ≤ ISO VG10).
M7S2
Shaft diameter: d1 = max. 100 mm (3.94")
Dimensions, items and descriptions
as for type M7N, but with drive key.
(without item no. 1.6).
M74S2
Shaft diameter: d1 = 28 … 200 mm (1.10" … 7.87")
Dimensions, items and descriptions
as for type M7N, but with multiple springs and drive key.
(without item no. 1.6).
M78N
Shaft diameter: d1 = 18 … 100 mm (0.71" … 3.94")
Temperature: t = max. 180 °C (356 °F)
Dimensions, items and description as for M7N. Design
of the seal face especially for secondary sealing element
made of PTFE (T).
Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B),
Silicon carbide (Q1)*
Seat G9: Special cast CrMo steel (S)*,
Silicon carbide (Q1)
* Cannot be combined with seal face made of silicon carbide (Q1)
M7F
M7S2
u
Dimensions inM74F
mm©
d1
14*
16*
18*
20*
22*
24*
25*
28*
30*
32*
33*
35*
38*
40*
43*
45*
48*
50*
53*
55*
58*
60*
63*
65*
68*
70*
75*
80*
85*
90*
95*
100*
105
110
115
120
125
130
135
140
145
150
155
160
165
170
175
180
185
190
195
200
d3
25
27
33
35
37
39
40
43
45
47
48
50
55
57
60
62
65
67
70
72
79
81
84
86
89
91
99
104
109
114
119
124
138
143
148
153
158
163
168
173
178
183
191
196
201
206
211
216
221
226
231
236
d6
21
23
27
29
31
33
34
37
39
42
42
44
49
51
54
56
59
62
65
67
70
72
75
77
81
83
88
95
100
105
110
115
122.2
128.2
136.2
138.2
142.2
146.2
152.2
156.2
161.2
168.2
173.2
178.2
183.2
188.2
193.2
207.5
212.5
217.5
222.5
227.5
d7
25
27
33
35
37
39
40
43
45
48
48
50
56
58
61
63
66
70
73
75
78
80
83
85
90
92
97
105
110
115
120
125
134.3
140.3
148.3
150.3
154.3
158.3
164.3
168.3
173.3
180.3
185.3
190.3
195.3
200.3
205.3
219.3
224.3
229.3
234.3
239.3
b
d 24 min
d s –0,05
( >100 –0,1)
t
0,5
M74F
M7 S2 © EagleBurgmann
EagleBurgmann
d8
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
d11
20.5
22
24
29.5
29.5
32
32
36
39.2
42.2
44.2
46.2
49.2
52.2
53.3
55.3
59.7
60.8
63.8
66.5
69.5
71.5
74.5
76.5
82.7
83
90.2
95.2
100.2
105.2
111.6
114.5
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
d12
24.6
28
30
35
35
38
38
42
45
48
50
52
55
58
62
64
68.4
69.3
72.3
75.4
78.4
80.4
83.4
85.4
91.5
92
99
104
109
114
120.3
123.3
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
d24
16
18
20
22
24
26
27
30
32
34
35
37
40
42
45
47
50
52
55
57
60
62
65
67
70
72
77
82
87
92
97
102
108
113
118
123
128
133
138
143
148
153
158
163
168
173
178
183
188
193
198
203
ds
34
36
38
40
42
44
45
47
49
51
51
54
59
61
65
66
69
71
75
76
83
85
88
95
93
95
105
109
114
119
124
129
143
148
153
158
163
168
173
178
183
188
196
201
206
211
216
221
226
231
236
241
l1k
35
35
37.5
37.5
37.5
40
40
42.5
42.5
42.5
42.5
42.5
45
45
45
45
45
47.5
47.5
47.5
52.5
52.5
52.5
52.5
52.5
60
60
60
60
65
65
65
67
67
67
67
67
67
67
67
67
69
80
80
80
80
80
84
84
84
84
84
l3
25
25
26
26
26
28.5
28.5
31
31
31
31
31
31
31
31
31
31
32.5
32.5
32.5
37.5
37.5
37.5
37.5
34.5
42
42
41.8
41.8
46.8
47.8
47.8
47
47
47
47
47
47
47
47
47
47
56
56
56
56
56
56
56
56
56
56
l5
1.5
1.5
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
l6
4
4
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
10
10
10
10
10
10
10
10
10
10
12
12
12
12
12
12
12
12
12
12
l7
8.5
8.5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
l8
17.5
17.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
22
22
22
22
22
23
23
23
23
23
23
23
26
26
26
26.2
26.2
26.2
25.2
25.2
30
30
30
30
30
30
30
30
30
32
34
34
34
34
34
38
38
38
38
38
M7F
l9 ©l10EagleBurgmann
l11 l12
10
10
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
14
14
14
14
14
15
15
15
15
15
15
15
18
18
18
18.2
18.2
18.2
17.2
17.2
20
20
20
20
20
20
20
20
20
22
24
24
24
24
24
28
28
28
28
28
7.5
7.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
10
10
10
10
10
10.5
12
12
12
12
12
12
12.5
12.5
12.5
13
15
15
15
15
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
10
11.5
12.5
12.5
12.5
12.5
12.5
14
14
14
14.5
14.5
14.5
14.5
17
17
17
17
17
18
18
18
18
18
19
18
18
19
19
19
20
20
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
6.5
8.5
9
8.5
8.5
8.5
8.5
10
11.5
11.5
12
12
11.3
11.8
13.2
12.8
12.8
12.8
13.5
14.5
14.5
14.5
14.2
14.2
14.9
14.2
15.2
16.2
16
16
17
17
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l13
7.6
9
10
9.5
9.5
9.5
9.5
11
11
11
11.5
11.5
11.5
11.5
14.3
14.3
14.3
14.3
14.3
15.3
15.3
15.3
15.3
15.3
16
15.3
15.3
16.3
16.3
16.3
17.3
17.3
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l14
5.6
7.5
8
7.5
7.5
7.5
7.5
9
10.5
10.5
10.5
11
10.3
10.8
12
11.6
11.6
11.6
12.3
13.3
13.3
13.3
13.3
13
13.7
13
14
15
14.8
14.8
15.8
15.8
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l15
1.2
1.2
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l16
3.8
3.8
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l18
–
–
15
15
15
15
15
15
15
15
15
15
16
16
16
16
16
17
17
17
18
18
18
18
18.5
19
19
19
19
20.5
20.5
20.5
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l19
–
–
7
7
7
7
7
7
7
7
7
7
8
8
8
8
8
9.5
9.5
9.5
10.5
10.5
10.5
10.5
11
11.5
11.5
11.5
11.5
13
13
13
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l28
6.6
6.6
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
9
9
9
9
9
9.5
11
11
11
11
11
11
11.3
11.3
11.3
12
14
14
14
14
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
b
f
4
4
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
8
8
8
8
8
8
8
8
8
10
10
10
10
10
10
10
10
10
10
10
10
10
12
12
12
12
12
12
12
12
12
12
6
6
7
7
7
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
9
9
9
9
9
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
12
12
12
12
12
12
12
12
12
12
mx
M5
M5
M5
M5
M5
M5
M5
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
u max.
10
10
12
12
12
12
12
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
16
16
16
16
20
20
20
20
20
20
20
20
20
20
20
20
20
24
24
24
24
24
24
24
24
24
24
t
1.5
1.5
1.1
1.1
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.9
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
R
1.2
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
* EN 12756
d 1 >200 on request
11
Mechanical seals • Mechanical seals for pumps • Pusher seals
M74-D
l1
l3
1) d
>100 mm: 30°
>100 mm: +0.1
3) d >100 mm: H7
1
l 31
2) d
Standards and approvals
• EN 12756
1.3
1.2
1)
5
H8 3)
4
l8
l6
5
ds
–0,05
0,5
Description
Product variant
Seal faceM74 – D © EagleBurgmann
M74F-D
Seal face
Dimensions, items and descriptions
Thrust ring
as for M74-D, but with pumping screw.
Drive collar
(Viscosity ≤ ISO VG10).
Spring
Dependent on direction of rotation.
Set screw
O-Ring
O-Ring
Seat (G9)
O-Ring
Seat (G9)
O-Ring
Recommended applications
• Process industry
• Chemical industry
• Pulp and paper industry
• Low solids content and low abrasive media
• Toxic and hazardous media
• Media with poor lubrication properties
• Adhesives
• Chemical standard pumps
( >100 –0,1 )
Part no. to DIN 24250
472.1
472.2
474
485
477
904
412.1
412.2
475.1
412.3
75.2
12.4
M74F – D © EagleBurgmann
Seat alternatives
G6 (EN 12756)
G6 (M32N4) © EagleBurgmann
H7
R
30°
l 13
l 11
d 12
l 14
l 12
l 16
+0,1
l 10
l 15
d 11
l 28
l 16
d 12 H7
l 15
d 11
l6
R
l5
+0,1
* Cannot be combined with seal face in S
Item
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
2
3
4
5
30°
Materials
Seal face: Special cast CrMo steel (S),
Silicon carbide (Q1, Q2)
Seat G9: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B),
Silicon carbide (Q1*, Q2*)
Seat G4: Silicon carbide (Q1*, Q2*)
Seat G6: Silicon carbide (Q1*, Q2*)
Seat G13: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B)
1.8
1.4
1.5
d 7 H8
Operating range (see note on page 1)
Shaft diameter: d1 = 18 … 200 mm (0.71" … 7.87")
Pressure: p1 = 25 bar (363 PSI)
Temperature: t = –50 °C … +220 °C
(–58 °F … +428 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Axial movement:
d1 up to 100 mm: ±0.5 mm
d1 from 100 mm: ±2.0 mm
1.6
1.7
1.1
l5
d 6 H11
Advantages
• Efficient stock keeping due to easily interchangeable
faces
• Extended selection of materials
• Flexibility in torque transmissions
• EN 12756 (for connection dimensions d1 up to
100 mm (3.94"))
2
20°
1
d8
20°
Features
• For plain shafts
• Dual seal
• Unbalanced
• Rotating multiple springs
• Independent of direction of rotation
• Seal concept based on the M7 range
• Variant with pumping screw available (M74F - D)
3
( >100 = h8 )
d1
d3
h6
mx
1
d7
l4
l9
H11 2)
+ 0,5
d6
l7
G13
G4
G4 © EagleBurgmann
G13 (M3) © EagleBurgmann
Torque transmissions
Set screw with cone point © EagleBurgmann
12
Spring loaded drive pin
(M74-D22)
t
d1 >100 mm (3,94")
Torque transmission by
4 set screws with cone
point. Offset: 90°
d9
e8
l 35
Drehmomentübertragung
Schapper © EagleBurgmann
Dimensions in mm
d1
18
20
22
24
25
28
30
32
33
35
38
40
43
45
48
50
53
55
58
60
63
65
68
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
150
155
160
165
170
175
180
185
190
195
200
d3
33
35
37
39
40
43
45
47
48
50
55
57
60
62
65
67
70
72
79
81
84
86
89
91
99
104
109
114
119
124
138
143
148
153
158
163
168
173
178
183
191
196
201
206
211
216
221
226
231
236
d6
27
29
31
33
34
37
39
42
42
44
49
51
54
56
59
62
65
67
70
72
75
77
81
83
88
95
100
105
110
115
122.2
128.2
136.2
138.2
142.2
146.2
152.2
156.2
161.2
168.2
173.2
178.2
183.2
188.2
193.2
207.5
212.5
217.5
222.5
227.5
d7
33
35
37
39
40
43
45
48
48
50
56
58
61
63
66
70
73
75
78
80
83
85
90
92
97
105
110
115
120
125
134.3
140.3
148.3
150.3
154.3
158.3
164.3
168.3
173.3
180.3
185.3
190.3
195.3
200.3
205.3
219.3
224.3
229.3
234.3
239.3
d8
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
d9
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
5
5
5
5
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
d11
24
29.5
29.5
32
32
36
39.2
42.2
44.2
46.2
49.2
52.2
53.3
55.3
59.7
60.8
63.8
66.5
69.5
71.5
74.5
76.5
82.7
83
90.2
95.2
100.2
105.2
111.6
114.5
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
d12
30
35
35
38
38
42
45
48
50
52
55
58
62
64
68.4
69.3
72.3
75.4
78.4
80.4
83.4
85.4
91.5
92
99
104
109
114
120.3
123.3
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
ds
–
–
42
44
45
47
49
51
51
54
59
61
65
66
69
71
75
76
83
85
88
95
93
95
105
109
114
119
124
129
143
148
153
158
163
168
173
178
183
188
196
201
206
211
216
221
226
231
236
241
l1
61
61
61
61
61
62
62
62
62
62
69
70
70
70
70
73
73
73
86
86
85
85
91
92
92
92.5
92.5
92.5
90.5
90.5
108
110
110
110
110
110
110
110
110
114
127
127
127
127
127
135
135
135
135
135
l3
38
38
38
38
38
39
39
39
39
39
41
42
42
42
42
43
43
43
56
56
55
55
55
56
56
56
56
56
56
56
68
70
70
70
70
70
70
70
70
70
79
79
79
79
79
79
79
79
79
79
l4
19
19
19
19
19
19.5
19.5
19.5
19.5
19.5
20.5
21
21
21
21
21.5
21.5
21.5
28
28
27.5
27.5
27.5
28
28
28
28
28
28
28
34
35
35
35
35
35
35
35
35
35
39.5
39.5
39.5
39.5
39.5
39.5
39.5
39.5
39.5
39.5
l5
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
l6
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
10
10
10
10
10
10
10
10
10
10
12
12
12
12
12
12
12
12
12
12
l7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l8
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
22
22
22
22
22
23
23
23
23
23
23
23
26
26
26
26.2
26.2
26.2
25.2
25.2
30
30
30
30
30
30
30
30
30
32
34
34
34
34
34
38
38
38
38
–
l9
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
14
14
14
14
14
15
15
15
15
15
15
15
18
18
18
18.2
18.2
18.2
17.2
17.2
20
20
20
20
20
20
20
20
20
22
24
24
24
24
24
28
28
28
28
–
l10
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
10
10
10
10
10
10.5
12
12
12
12
12
12
12.5
12.5
12.5
13
15
15
15
15
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l11
12.5
12.5
12.5
12.5
12.5
14
14
14
14.5
14.5
14.5
14.5
17
17
17
17
17
18
18
18
18
18
19
18
18
19
19
19
20
20
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l12
9
8.5
8.5
8.5
8.5
10
11.5
11.5
12
12
11.3
11.8
13.2
12.8
12.8
12.8
13.5
14.5
14.5
14.5
14.2
14.2
14.9
14.2
15.2
16.2
16
16
17
17
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l13
10
9.5
9.5
9.5
9.5
11
11
11
11.5
11.5
11.5
11.5
14.3
14.3
14.3
14.3
14.3
15.3
15.3
15.3
15.3
15.3
16
15.3
15.3
16.3
16.3
16.3
17.3
17.3
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l14
8
7.5
7.5
7.5
7.5
9
10.5
10.5
10.5
11
10.3
10.8
12
11.6
11.6
11.6
12.3
13.3
13.3
13.3
13.3
13
13.7
13
14
15
14.8
14.8
15.8
15.8
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l15
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l16
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l28
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
9
9
9
9
9
9.5
11
11
11
11
11
11
11.3
11.3
11.3
12
14
14
14
14
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l 31
17
17
17
17
17
17.5
17.5
17.5
17.5
17.5
18.5
19
19
19
19
19.5
19.5
19.5
23.5
23.5
24.5
24.5
24.5
23.5
25.5
25.5
25
25.5
25
25
30.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
35.5
35.5
35.5
35.5
35.5
35.5
35.5
35.5
35.5
–
l 35
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
19
19
19
19
19
19
19
19
19
19
19
19
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
–
mx
M5
M5
M5
M5
M5
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
–
t
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
–
R
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
13
Mechanical seals • Mechanical seals for pumps • Pusher seals
H7N
l1k
l9
1) d
>100 mm: 2 mm x 30°
>100 mm: 30°
3) d >100 mm: +0.1
1
4) d >100 mm: H7
1
f
Operating range (see note on page 1)
Shaft diameter: d1 = 14 … 100 mm (0.55" … 3.94")
(Single spring: d1 = max. 100 mm (3.94"))
Pressure:
p1 = 80 bar (1.160 PSI) for d1 = 14 … 100 mm,
p1 = 25 bar (363 PSI) for d1 = 100 … 200 mm,
p1 = 16 bar (232 PSI) for d1 >200 mm
Temperature: t = –50 °C … +220 °C
(–58 °F … +428 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Axial movement:
d1 … 22 mm: ±1.0 mm
d1 24 … 58 mm: ±1.5 mm
d1 from 60 mm: ±2.0 mm
Materials
Seal face: Silicon carbide (Q1, Q2), Carbon graphite
antimony impregnated (A), Aluminium oxide (V),
Special cast CrMo steel (S)
Seat G9: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B),
Silicon carbide (Q1*, Q2*)
Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K)
Springs: CrNiMo steel (G)
Metal parts: CrNiMo steel (G), Duplex (G1)
* Cannot be combined with seal face in S
Standards and approvals
• EN 12756
14
l8
1.1
3
20°
2)
l5
l6
l2
d8
5
l7
+0,5
Item Part no. to DIN 24250
1.1
472
H7N © EagleBurgmann
1.2
485
1.3
474
1.4
412.1
1.5
477
1.6
904
2
475
3
412.2
Product variants
H75
Shaft diameter: d1 = 28 … 200 mm (1.10" … 7.87")
As H7N, but with multiple springs in sleeves (Item no. 1.5)
Axial movement: ±2 … 4 mm, dependent on diameter.
H8 4)
d1
1.3 R1,6
d6
1.2
1)
Recommended applications
• Process industry
• Oil and gas industry
• Refining technology
• Petrochemical industry
• Chemical industry
• Power plant technology
• Pulp and paper industry
• Food and beverage industry
• Hot water applications
• Light hydrocarbons
• Boiler feed pumps
• Process pumps
3
2
1)
1.4
10°
1.5
1
Description
Seal face
Drive collar
Thrust ring
O-Ring
Spring
Set screw
Seat (G9)
O-Ring
H7F
Shaft diameter: d1 = max. 100 mm (3.94")
Dimensions, items and descriptions as for H7N, but with
single spring and pumping screw. Dependent on direction
of rotation! (Viscosity ≤ ISO VG10).
H76
Shaft diameter: d1 = 14 … 100 mm (0.55" … 3.94")
Dimensions, items and descriptions as for H7N, but with
special single spring (Item no. 1.5) for compensating large
axial movements (±4 mm).
H75F
Shaft diameter: d1 = 28 … 200 mm (1.10" … 7.87")
Dimensions, items and descriptions as for H7N, but
with multiple springs and pumping screw. Dependent on
direction of rotation! (Viscosity ≤ ISO VG10).
0,5
Advantages
• Universal application opportunities (standardization)
• Efficient stock keeping due to easily interchangeable
faces
• Extended selection of materials
• Flexibility in torque transmissions
• Self cleaning effect
• Short Installation length possible (G16)
1.6
±
2 ... 4 mm
±4 mm
l1k
H75
l1N
H76
H76 © EagleBurgmann
d s –0,05
( >100 –0,1 )
Features
• For stepped shafts
• Single seal
• Balanced
• Super-Sinus-spring or multiple springs rotating
• Independent of direction of rotation
• Integrated pumping device available (H7F, H75F)
• Variant with seat cooling available (H75G115)
( >100 = h8 )
h6
d2
d3
mx
1
H11 3)
2) d
d7
l3
±1
... 2 mm
l 1K
H7F/H75F
H7F + H75F © EagleBurgmann
Seat alternatives
H8
d7
t –0,2
u max
min
Set screw with cone point © EagleBurgmann
d1
H11
Torque transmission
d6
H8
l 18
h1
d24
20°
4,1
l 19
d7
H11
d6
a
+0,1
b
l 40
l6
l9
10
10
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
14
14
14
14
14
15
15
15
15
15
15
15
18
18
18.2
18.2
18.2
17.2
17.2
20
20
20
20
20
20
20
20
20
22
24
24
24
24
24
28
28
28
28
28
l 39
–
–
–
–
–
–
–
24
24.5
24.5
24.5
24.5
26
26
26
26
26
26.5
26.5
28.5
28.5
28.5
28.5
28.5
30.5
30.5
30.2
30.2
30.2
29.2
29.2
29.2
32.5
32.5
32.5
32.5
32.5
32.5
32.5
34.5
34.5
34.5
34.5
34.5
37
37
37
37
37
37
37
d1 >100 mm (3.94")
Drive key
Torque transmission by Drehmomentübertragung
(H7S2/H75S2)
Passfeder
4 set screws with cone
point. Offset: 90°
© EagleBurgmann
Ø
5
G16 © EagleBurgmann
d 22 –0,05
l5
d 21 +0,1
l6
20°
l5
Torque transmissions
G9 (H7N) © EagleBurgmann
e
k
h2
l 39
G9 (EN 12756)
Dimensions in mm
d1
14*
16*
18*
20*
22*
24*
25*
28*
30*
32*
33*
35*
38*
40*
43*
45*
48*
50*
53*
55*
58*
60*
63*
65*
70*
75*
80*
85*
90*
95*
100*
105*
110*
115*
120*
125*
130*
135*
140*
145*
150*
155*
160*
165*
170*
175*
180*
185*
190*
195*
200*
d2
18
20
22
24
26
28
30
33
35
38
38
40
43
45
48
50
53
55
58
60
63
65
68
70
75
80
85
90
95
100
105
115
120
125
130
135
140
145
150
155
160
165
170
175
180
185
190
195
200
205
210
d3
33
35
37
39
41
43
45
48
50
55
55
57
60
62
65
67
70
72
79
81
84
86
89
91
99
104
109
114
119
124
129
148
153
158
163
168
173
178
183
191
196
201
206
211
216
221
226
231
236
245
250
d6
21
23
27
29
31
33
34
37
39
42
42
44
49
51
54
56
59
62
65
67
70
72
75
77
83
88
95
100
105
110
115
122.2
128.2
136.2
138.2
142.2
146.2
152.2
156.2
161.2
168.2
173.2
178.2
183.2
188.2
193.2
207.5
212.5
217.5
222.5
227.5
G16 (EN 12756, but l1k
and l2 are shorter than
specified)
d7
25
27
33
35
37
39
40
43
45
48
48
50
56
58
61
63
66
70
73
75
78
80
83
85
92
97
105
110
115
120
125
134.3
140.3
148.3
150.3
154.3
158.3
164.3
168.3
173.3
180.3
185.3
190.3
195.3
200.3
205.3
219.3
224.3
229.3
234.2
239.3
d8
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
d24
20
22
24
26
28
30
32
35
37
40
40
42
45
47
50
52
55
57
60
62
65
67
70
72
77
82
87
92
97
102
107
118
123
128
133
138
143
148
153
158
163
168
173
178
183
188
193
198
203
208
213
d21
–
–
–
–
–
–
–
44.65
47.83
47.83
47.83
51
54.18
60.53
63.7
63.7
66.88
70.05
76.4
76.4
79.58
82.75
85.93
85.93
89.1
98.63
101.8
108.15
114.5
117.68
124.03
128.98
135.3
140.3
145.3
150.3
155.3
160.3
165.3
172.3
177.3
182.3
187.3
192.3
197.3
202.3
207.3
212.3
217.3
225.3
230.3
d22
–
–
–
–
–
–
–
50.57
53.75
53.75
53.75
56.92
60.1
66.45
69.62
69.62
72.8
75.97
82.32
82.32
85.5
88.67
91.85
91.85
95.02
104.55
107.72
114.07
120.42
123.6
129.95
134.9
141.2
146.2
151.2
156.2
161.2
166.2
171.2
178.2
183.2
188.2
193.2
198.2
203.2
208.2
213.2
218.2
223.2
231.2
236.2
ds
38
40
42
44
45
47
49
51
54
59
59
61
65
66
69
71
75
76
83
85
88
95
93
95
105
109
114
119
124
129
134
153
158
163
168
173
178
183
188
196
201
206
211
216
221
226
231
236
241
250
255
G115 Cooled seat
especially for hot water
applications.
G115 © EagleBurgmann
l1k
42.5
42.5
45
45
45
47.5
47.5
50
50
50
50
50
52.5
52.5
52.5
52.5
52.5
57.5
57.5
57.5
62.5
62.5
62.5
62.5
70
70
70
75
75
75
75
73
73
73
73
73
73
73
73
83
85
87
87
87
87
87
91
91
91
94
94
l1N
l2 l 3
– 18 32.5
– 18 32.5
55 20 33.5
60 20 33.5
60 20 33.5
60 20 36
60 20 36
65 20 38.5
65 20 38.5
65 20 38.5
65 20 38.5
65 20 38.5
75 23 38.5
75 23 38.5
75 23 38.5
75 23 38.5
85 23 38.5
85 25 42.5
85 25 42.5
85 25 42.5
85 25 47.5
95 25 47.5
95 25 47.5
95 25 47.5
95 28 52
105 28 52
105 28 51.8
105 28 56.8
105 28 56.8
105 28 57.8
105 28 57.8
–
32 53
–
32 53
–
32 53
–
32 53
–
32 53
–
32 53
–
32 53
–
32 53
–
34 63
–
36 63
–
38 63
–
38 63
–
38 63
–
38 63
–
38 63
–
42 63
–
42 63
–
42 63
–
43 66
–
43 66
l5
1.5
1.5
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
l6
4
4
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
10
10
10
10
10
10
10
10
10
10
12
12
12
12
12
12
12
12
12
12
l7
8.5
8.5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l8
17.5
17.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
22
22
22
22
22
23
23
23
23
23
23
23
26
26
26.2
26.2
26.2
25.2
25.2
30
30
30
30
30
30
30
30
30
32
34
34
34
34
34
38
38
38
38
38
l 40
–
–
–
–
–
–
–
8.5
9
9
9
9
11
11
11
11
11
12.5
12.5
12.5
12.5
12.5
12.5
12.5
14.5
14.5
14
14
14
14
14
15.2
14.5
14.5
14.5
14.5
14.5
14.5
14.5
16.5
16.5
16.5
16.5
16.5
16.5
16.5
16.5
16.5
16.5
17.5
17.5
a
–
–
–
–
–
–
–
24
24
24
24
24
24
24
24
24
24
24
24
26
26
26
26
26
26
26
26
26
26
26
26
26
30
30
30
30
30
30
30
32
32
32
32
32
34.5
34.5
34.5
34.5
34.5
34.5
34.5
b
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
8
8
8
8
8
8
8
8
8
10
10
10
10
10
10
10
10
10
10
10
10
12
12
12
12
12
12
12
12
12
12
12
12
e
–
–
–
–
–
–
–
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
9.5
9.5
9.5
9.5
9.5
9.5
9.5
10
10
10
10
10
10
10
10
10
10
10
10
f
6
6
7
5.5
8
5.5
5.5
8
8
8
8
8
8
8
8
8
8
8
9
9
9
9
9
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
12
12
12
12
12
12
12
12
12
12
14
14
h1
–
–
–
–
–
–
–
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
7.1
7.1
7.1
7.1
7.1
7.1
7.1
7.1
7.1
7.1
7.1
7.1
h2
–
–
–
–
–
–
–
22.6
22.6
22.6
22.6
22.6
22.6
22.6
22.6
22.6
22.6
22.6
22.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
28.6
28.6
28.6
28.6
28.6
28.6
28.6
30.1
30.1
30.1
30.1
30.1
32.1
32.1
32.1
32.1
32.1
32.1
32.1
k
–
–
–
–
–
–
–
9
9
9
9
9
9
9
9
9
9
9
9
11
11
11
11
11
11
11
11
11
11
11
11
11
13
13
13
13
13
13
13
14
14
14
14
14
16
16
16
16
16
16
16
mx
u max.
M5
9
M5
9
M5
9
M5
9
M5
9
M6
9
M6
9
M6
12
M6
12
M6
12
M6
12
M6
12
M6
12
M6
12
M6
12
M6
12
M6
12
M6
12
M8
12
M8
12
M8
15
M8
15
M8
14
M8
15
M8
15
M8
15
M8
15
M8
18
M8
18
M8
18
M8
18
M8
18
M8
18
M8
18
M8
18
M8
18
M8
18
M8
18
M8
18
M8
22
M8
22
M8
22
M8
22
M8
22
M8
22
M8
22
M8
22
M8
22
M8
22
M10 22
M10 22
t
1.1
1.1
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.9
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
* EN 12756
15
Mechanical seals • Mechanical seals for pumps • Pusher seals
HA211
l
2
H8
1.5 1.1 n x d 5
±0,5
1.3
d4
3
H11
1.2
h7
d1
1.4
8
d
d2
min
1.6
l2
d3
l1
l3
Recommended applications
• Pulp and paper industry
• Water and waste water technology
• High-viscosity liquids
• Pulp suspensions
• Process pumps
• Pulp pumps
Materials
Seal face: Silicon carbide (Q1)
Seat: Silicon carbide (Q1)
Secondary seals: EPDM (E), FKM (V)
Metal parts: CrNiMo steel (G)
d
20
24
25
28
30
32
33
35
38
40
43
45
48
50
53
55
60
63
65
70
75
80
85
90
95
100
16
d1
34
38
39
42
44
46
47
49
54
56
59
61
64
66
69
71
78
81
84
90
95
100
107
112
119
124
d2
36
40
41
44
46
48
49
51
58
60
63
65
68
70
73
75
85
88
90
95
104
109
114
119
124
129
d3
29
33
34
37
39
42
42
44
49
51
54
56
59
62
65
67
72
75
77
83
88
95
100
105
110
115
d4
35
39
40
43
45
48
48
50
56
58
61
63
66
70
73
75
80
83
85
92
97
105
110
115
120
125
d5
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
l
51
53
53
55
55
55
55
59
64
66
66
66
66
73
74
74
76
76
80
83
87
87.5
92.5
92.5
97.5
97.5
l1
41
43
43
45
45
45
45
49
53
55
55
55
55
60
61
61
63
63
67
68
72
72
77
77
82
82
5
l4
Operating range (see note on page 1)
Pressure: p = 12 bar (174 PSI)
Temperature: t = –20 °C … +160 °C (–4 °F … +320 °F)
Sliding velocity: … 20 m/s (66 ft/s)
Viscosity: … 300 Pa·s
Solids content: … 7 %
Dimensions in mm
b
°
20
Features
• Single seal
• Unbalanced
• Independent of direction of rotation
• Positive torque transmission due to bayonet drive
between seal head and drive collar
• O-Ring groove for ventilation prevents solids build-up
and enhances flexibility
l2
10
10
10
10
10
10
10
10
11
11
11
11
11
13
13
13
13
13
13
15
15
15.5
15.5
15.5
15.5
15.5
l3
5.5
5.5
5.5
5.5
5.5
5.5
5.5
5.5
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
l4
2
2
2
2
2
2
2
2
2
2
2
2
2
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3
3
3
3
3
B
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
4
4
4
4.5
4.5
4.5
5
5
5
5
5
5
5
6
6
6
6
6
HA211 © EagleBurgmann
Item
1.1
1.2, 1.5, 3
1.3
1.4
1.6
2
Description
Seal face
O-Ring
Drive collar
Spring
Set screw
Seat
Mechanical seals • Mechanical seals for pumps • Pusher seals
LB500
l
l1
8
l2
± 0,3
Operating range (see note on page 1)
Pressure: p = vacuum … 35 bar (508 PSI)
Temperature: t = –20 °C … +200 °C (–4 °F … +392 °F)
Sliding velocity: vg = … 20 m/s (66 ft/s)
Viscosity: … 500 mPa·s
Solids content: … 0.5 %
Materials
Seal face: Carbon graphite resin impregnated (B),
High density carbon graphite
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V)
Metal parts: CrNiMo steel (G)
Product variant
Configuration sample
in acc. with API 682 (1CW-FX)
20
l4
5
l3
LB500 © EagleBurgmann
Item
1.1
1.2
1.3
1.4, 3
1.5
1.6
2
Recommended applications
• Chemical industry
• Process industry
• Acids
• Alkaline solutions
• Salt solutions
• Low viscosity oils
• Monomers
• Hydrocarbons
• Water
• Seawater
• Process pumps
Dimensions in mm
d
25
28
30
32
33
35
38
40
42
43
45
48
50
53
55
60
63
65
70
75
80
85
90
95
100
105
110
d1
39
42
44
46
47
49
55
57
59
60
62
65
67
70
72
77
80
82
87
92
97
102
107
112
117
122
127
d2
41
44
46
48
49
51
58
60
62
63
65
68
70
73
75
85
88
90
95
104
109
114
119
124
129
134
139
d3
29
33
34
37
37
39
42
44
49
49
51
54
56
59
62
67
70
72
77
83
88
95
100
105
110
115
120
d4
35
39
40
43
43
45
48
50
56
56
58
61
63
66
70
75
78
80
85
92
97
105
110
115
120
125
130
d5
20
24
25
27
28
30
33
35
37
38
40
43
45
48
50
55
58
60
65
70
75
80
85
90
95
100
105
d6
44
44
44
44
44
44
45
45
48
48
48
48
48
48
50
50
50
50
50
53
53
53
53
53
53
4
4
l
34
34
34
34
34
34
35
35
37
37
37
37
37
37
37
37
37
37
37
38
38
37.5
37.5
37.5
37.5
53
53
l1
10
10
10
10
10
10
10
10
11
11
11
11
11
11
13
13
13
13
13
15
15
15.5
15.5
15.5
15.5
37.5
37.5
H8
b
°
Standards and approvals
• API 682/ISO 21049
• ANSI
d4
n x d 6 (n = 1)
H11
d5
1.4
d3
3
± 0,5
1.6
Features
• Single seal
• Balanced
• Independent of direction of rotation
• Rotating multiple springs
Advantages
• API 682 (Type A) compliant
• Fits to EN and ANSI seal chambers
• Optimized, narrow width seal face design
2
1.1
h7
d
d1
1.2 1.5 1.3
d2
min
l5
l2
5.5
5.5
5.5
5.5
5.5
5.5
5
5
5
5
5
5
6
6
6
6
6
6
6
7
7
7
7
7
7
15.5
15.5
l3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3
3
3
3
7
7
Description
Seal face
Drive collar
Thrust ring
O-Ring
Spring
Set screw
Seat
l4
24
24
24
24
24
24
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
3
3
l5
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
25
25
b
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
4
4
4.5
4.5
4.5
4.5
4.5
5
5
5
5
5
5
6
6
6
6
6
6
LB500–55 Cartridge © EagleBurgmann
17
Mechanical seals • Mechanical seals for pumps • Pusher seals
H74-D
l1
l2
l7 +0,5
l31
l2
l4
1) d
1 >100 mm: 2 mm x 30°
d1 >100 mm: 30°
3) d >100 mm: H7
1
4) d >100 mm: +0.1
1
2
mx
2)
°
Features
• For stepped shafts
• Dual seal
• Balanced
• Rotating multiple springs
• Independent of direction of rotation
• Seal concept based on the H7 range
• Variant with pumping screw available (H74F-D)
1.3 R1,6
4
5
l8
1.2
Item
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
2
3
4
5
Part no. to DIN 24250
472.1
472.2
474
485
477
904
412.1
412.2
475.1
412.3
475.2
412.4
l3
l5
3
l6
5
Description
Recommended applications
Seal face
• Process industry
H74 – D © EagleBurgmann
Seal face
• Oil and gas industry
Thrust ring
• Refining technology
Drive collar
• Petrochemical industry
Spring
• Chemical industry
Set screw
• Pulp and paper industry
O-Ring
• Power plant technology
O-Ring
• Low solids content and low abrasive media
Seat (G9)
• Toxic and hazardous media
O-Ring
• Media with poor lubrication properties
Seat (G9)
• Adhesives
O-Ring
• Chemical standard pumps
G6 (EN 12756)
G6 (M32N4) © EagleBurgmann
Torque transmission
d12 ≥105 mm Torque
transmission
by EagleBurgmann
Set screw with
cone point ©
4 set screws with cone
point. Offset: 90°
l 16
l 14
l 12
G4
G4 © EagleBurgmann
d 12 H7
d 7 H8
l 10
d 6 H11
l 28
l 15
d 11 +0,1
l6
R
l5
30°
20°
Seat alternatives
d3
1.5
1)
1.4 1.8
10°
1.6
d1
h6
H11 4)
d6
1.7
d2
H8 3)
d7
l8
l9
Materials
Seal face: Silicon carbide (Q1, Q2), Carbon graphite
antimony impregnated (A), Aluminium oxide (V),
Special cast CrMo steel (S)
Seat G9: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B), Silicon carbide
(Q1*, Q2*)
Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K)
Springs: CrNiMo steel (G)
Metal parts: CrNiMo steel (G), Duplex (G1)
18
1.1
d8
Operating range (see note on page 1)
Shaft diameter: d1 = 14 … 200 mm (0.55" … 7.87")
Pressure:
p1 = 80 bar (1.160 PSI) for d1 = 14 … 100 mm,
p1 = 25 bar (363 PSI) for d1 = 100 … 200 mm,
p1 = 16 bar (232 PSI) for d1 >200 mm
Temperature: t = –50 °C … +220 °C
(–58 °F … +428 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Axial movement:
d1 up to 100 mm: ±0.5 mm
d1 from 100 mm: ±2.0 mm
Standards and approvals
• EN 12756
2
1)
Advantages
• Efficient stock keeping due to easily interchangeable
faces
• Extended selection of materials
• Flexibility in torque transmissions
• Insensitive to low solids contents
• EN 12756
(For connection dimensions d1 up to 100 mm (3.94"))
* Cannot be combined with seal face in S
3
( >100 = h8 )
20
–0,05
ds
Dimensions in mm
d1
14
16
18
20
22
24
25
28
30
32
33
35
38
40
43
45
48
50
53
55
58
60
63
65
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
150
155
160
165
170
175
180
185
190
195
200
d2
18
20
22
24
26
28
30
33
35
38
38
40
43
45
48
50
53
55
58
60
63
65
68
70
75
80
85
90
95
100
105
115
120
125
130
135
140
145
150
155
160
165
170
175
180
185
190
195
200
205
210
d3
33
35
37
39
41
43
45
48
50
55
55
57
60
62
65
67
70
72
79
81
84
86
89
91
99
104
109
114
119
124
129
148
153
158
163
168
173
178
183
191
196
201
206
211
216
221
226
231
236
245
250
d6
21.0
23.0
27.0
29.0
31.0
33.0
34.0
37.0
39.0
42.0
42.0
44.0
49.0
51.0
54.0
56.0
59.0
62.0
65.0
67.0
70.0
72.0
75.0
77.0
83.0
88.0
95.0
100.0
105.0
110.0
115.0
122.2
128.2
136.2
138.2
142.2
146.2
152.2
156.2
161.2
168.2
173.2
178.2
183.2
188.2
193.2
207.5
212.5
217.5
222.5
227.5
H74F – D © EahleBurgmann
d7
d8
d11
25.0
27.0
33.0
35.0
37.0
39.0
40.0
43.0
45.0
48.0
48.0
50.0
56.0
58.0
61.0
63.0
66.0
70.0
73.0
75.0
78.0
80.0
83.0
85.0
92.0
97.0
105.0
110.0
115.0
120.0
125.0
134.3
140.3
148.3
150.3
154.3
158.3
164.3
168.3
173.3
180.3
185.3
190.3
195.3
200.3
205.3
219.3
224.3
229.3
234.3
239.3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
24.0
29.5
29.5
32.0
32.0
36.0
39.2
42.2
44.2
46.2
49.2
52.2
53.3
55.3
59.7
60.8
63.8
66.5
69.5
71.5
74.5
76.5
82.7
83.0
90.2
95.2
100.2
105.2
111.6
114.5
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
d12
30.0
35.0
35.0
38.0
38.0
42.0
45.0
48.0
50.0
52.0
55.0
58.0
62.0
64.0
68.4
69.3
72.3
75.4
78.4
80.4
83.4
85.4
91.5
92.0
99.0
104.0
109.0
114.0
120.3
123.3
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
ds
–
–
42
44
45
47
49
51
54
59
59
61
65
66
69
71
75
76
83
85
88
95
93
95
105
109
114
119
124
129
134
153
158
163
168
173
178
183
188
196
201
206
211
216
221
226
231
236
241
250
255
l1
73.0
73.0
76.0
76.0
76.0
77.0
77.0
77.0
77.0
79.0
79.0
80.0
85.0
85.0
85.0
84.0
84.0
93.0
97.0
97.0
104.0
104.0
109.0
98.0
112.5
112.5
112.5
112.5
112.5
110.5
110.5
122.0
122.0
122.0
122.0
122.0
122.0
122.0
122.0
133.0
137.0
141.0
141.0
141.0
141.0
141.0
149.0
149.0
149.0
151.0
151.0
( >100 –0,1)
0,5
Product variant
H74F-D
Dimensions, items and descriptions as for H74-D, but with pumping screw.
Dependent on direction of rotation.
l2
18
18
20
20
20
20
20
20
20
20
20
20
23
23
23
23
23
25
25
25
25
25
25
25
28
28
28
28
28
28
28
32
32
32
32
32
32
32
32
34
36
38
38
38
38
38
42
42
42
43
43
l3
53.0
53.0
53.0
53.0
53.0
54.0
54.0
54.0
54.0
56.0
56.0
57.0
57.0
57.0
57.0
56.0
56.0
63.0
67.0
67.0
74.0
74.0
79.0
68.0
76.4
76.4
76.0
76.0
76.0
76.0
76.0
82.0
82.0
82.0
82.0
82.0
82.0
82.0
82.0
93.0
93.0
93.0
93.0
93.0
93.0
93.0
93.0
93.0
93.0
95.0
95.0
l4
26.5
26.5
26.5
26.5
26.5
27.0
27.0
27.0
27.0
28.0
28.0
28.5
28.5
28.5
28.5
28.0
28.0
31.5
33.5
33.5
37.0
37.0
39.5
34.0
38.2
38.2
38.0
38.0
38.0
38.0
38.0
41.0
41.0
41.0
41.0
41.0
41.0
41.0
41.0
46.5
46.5
46.5
46.5
46.5
46.5
46.5
46.5
46.5
46.5
47.5
47.5
l5
1.5
1.5
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3.0
3.0
3.0
3.0
3.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
l6
4
4
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
10
10
10
10
10
10
10
10
10
10
12
12
12
12
12
12
12
12
12
12
l7
8.5
8.5
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l8
17.5
17.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
22.0
22.0
22.0
22.0
22.0
23.0
23.0
23.0
23.0
23.0
23.0
23.0
26.0
26.0
26.2
26.2
26.2
25.2
25.2
30.0
30.0
30.0
30.0
30.0
30.0
30.0
30.0
30.0
32.0
34.0
34.0
34.0
34.0
34.0
38.0
38.0
38.0
38.0
38.0
l9
10.0
10.0
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
14.0
14.0
14.0
14.0
14.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
18.0
18.0
18.2
18.2
18.2
17.2
17.2
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
22.0
24.0
24.0
24.0
24.0
24.0
28.0
28.0
28.0
28.0
28.0
l10
7.5
7.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
10.0
10.0
10.0
10.0
10.0
10.5
12.0
12.0
12.0
12.0
12.0
12.0
12.5
12.5
12.5
13.0
15.0
15.0
15.0
15.0
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l12
6.5
8.5
9.0
8.5
8.5
8.5
8.5
10.0
11.5
11.5
12.0
12.0
11.3
11.8
13.2
12.8
12.8
12.8
13.5
14.5
14.5
14.5
14.2
14.2
14.9
14.2
15.2
16.2
16.0
16.0
17.0
17.0
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l14
5.6
7.5
8.0
7.5
7.5
7.5
7.5
9.0
10.5
10.5
10.5
11.0
10.3
10.8
12.0
11.6
11.6
11.6
12.3
13.3
13.3
13.3
13.3
13.0
13.7
13.0
14.0
15.0
14.8
14.8
15.8
15.8
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l15
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l16
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l28
6.6
6.6
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
9.0
9.0
9.0
9.0
9.0
9.5
11.0
11.0
11.0
11.0
11.0
11.0
11.3
11.3
11.3
12.0
14.0
14.0
14.0
14.0
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
l 31
17.0
17.0
17.0
17.0
17.0
17.5
17.5
17.5
17.5
18.5
18.5
19.0
19.0
19.0
19.0
19.5
19.5
19.5
23.5
23.5
24.5
24.5
24.5
23.5
25.5
25.5
25.0
25.5
25.0
25.0
25.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
31.5
35.5
35.5
35.5
35.5
35.5
35.5
35.5
35.5
35.5
35.5
–
–
mx
M5
M5
M5
M5
M5
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M10
M10
R
1.2
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
19
Mechanical seals • Mechanical seals for pumps • Pusher seals
EK700
l
l2
l1
± 0,3
± 0.05
1.1
1.2
1.8
1.3 1.4 1.5 1.7
4
Features
• Single seal
• Balanced
• Independent of direction of rotation
• Stationary multiple springs
Advantages
• Unitized construction allows easy conversion
• Springs located on the atmospheric side, no clogging
• High precision rotating assembly reduces “swashing” of
seal head
Recommended applications
• Chemical industry
• Refining technology
• Petrochemical industry
• Lubrication oil
• Light oil
• Gasoline
• Naphtha
• Water
• Process pumps
Operating range (see note on page 1)
Pressure: p = … 35 bar ( … 508 PSI)
Temperature: t = 160 °C (320 °F)
Sliding velocity: vg = 30 m/s (98 ft/s)
Viscosity: … 0.5 Pa·s
Solids content: … 0.5 %
Materials
Seal face: High density carbon graphite
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V)
Metal parts: CrNiMo steel (G)
Dimensions in mm
d
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
110
120
130
140
150
20
d1
18
23
28
33
38
43
48
53
58
63
68
73
78
83
88
93
98
110
120
130
140
150
d2
42
47
53
58
66
71
76
81
91
96
101
110
115
120
125
130
135
145
160
170
185
200
d3
33
39
44
49
57
60
67
72
79
86
92
99
102
108
115
118
124
134
147
157
172
184
d4
36
41
46
51
60
65
70
75
85
90
95
104
109
114
119
124
129
139
150
160
175
190
l
63
65
66
66
68
68
68
69
72.5
77
79.5
79.5
79.5
80.5
81.5
81.5
81.5
84.5
91
96
98
100
l1
23
24
24
24
24
24
24
25
27.5
29
28.5
28.5
28.5
28.5
29.5
29.5
29.5
29.5
34
37
38
38
l2
40
41
42
42
44
44
44
44
45
48
51
51
51
52
52
52
52
55
57
59
60
62
l3
30
30
30
30
31
31
31
31
31
31
32
32
32
33
33
33
33
36
38
40
40
42
Item
1.1
1.2, 1.8, 4, 5
1.3
EK700 © EagleBurgmann
1.4
1.5
1.6
1.7, 6
2
3
Description
Seal face
O-Ring
Housing
Thrust ring
Spring
Thrust ring
Set screw
Seat
Drive collar
H7
5
d2
1.6
max
2
d1
3
h7
d3
6
d
d4
H11
l3
Mechanical seals • Mechanical seals for pumps • Pusher seals
Pulace
l
l1
± 0,3
2
1.2 1.4
Operating range (see note on page 1)
Pressure: p = 10 bar (145 PSI)
Temperature: t = –20 °C … +200 °C (–4 °F … +392 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Viscosity: … 100 Pa·s
Solids content: … 20 %
Materials
Seal face and seat: Silicon carbide (Q1),
Tungsten carbide (U7)
Metal parts: 1.4401 (G)
Secondary seals: EPDM (E)
Dimensions in mm
d
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
d1
46
51
56
62
69
78
78
86
91
97
102
107
112
118
128
128
135
d2
51
58
63
68
76
83
86
92
98
102
109
114
119
124
137
137
144
d3
57
64
69
74
82
89
92
98
104
108
115
120
125
130
143
143
150
l
71
71
71
75
80
80
80
80
78
81
80
82
82
85
85
85
85
1.6
1.5 1.7
H7
2.2
Features
• Single seal
• Balanced
• Independent of direction of rotation
• Stationary multiple springs
• Springs and pins not in contact with the medium
Advantages
• Stationary seat and/or seal face replaceable
• Can be adopted under positive pressure or under back
pressure
• Operation in vacuum without additional seat locking
possible
1.8
d3
4
1.3
H11
3 5
2.1 1.1
d2
2.3
h7
6
d
d1
d2
H11
20 ± 0,05
10
Recommended applications
• Sugar industry
• Pulp and paper industry
• Highly concentrated black water
• Green water
• White water
• Pulp suspensions
• Chemical solutions
• Alkaline solutions
• Slurries
• Highly viscous liquids
• Raw sludge pumps
• Thick juice pumps
• Conveying and bottling of dairy products
Item
L9UC © EagleBurgmann
1.1
1.2, 1.4, 1.7, 2.2, 4, 5
1.3
1.5
1.6
1.8
2.1
2.3
3
6
Description
Seal face
O-Ring
Retainer
Adapter
Spring
Drive screw
Seat
Retainer
Drive collar
Set screw
l1
34
34
34
37
38
38
38
38
37
38
38
39
40
40
42
42
42
21
Mechanical seals • Mechanical seals for pumps • Pusher seals
HRN
l 1k
±1
9
l3
f
Advantages
• Spring unit averted from the product so no sticking and
clogging of the springs
• Safe operation (no fractures) because of seal face
locking by square pin
• Suitable for pressure reversals
• Operation in vacuum without additional seat locking
possible
• No damage of the shaft by a dynamically loaded O-Ring
• Small installation sizes
• Best suitable for conversions, no adaptations of the pump
• Insensitive to solid containing and abrasive media
• Advantages of a balanced seal even with plain shafts
• Insensitive to shaft movements because of the stationary
design
Operating range (see note on page 1)
Shaft diameter: d = 18 … 100 mm (0.71" … 3.94")
Pressure: p1* = 25 bar (363 PSI)
Temperature: t = –40 °C … +220 °C
(–40 °F … +428 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Axial movement: ±1.0 mm
* Additional seat locking is not needed in vacuum operation.
For operation under vacuum it is necessary to arrange for
quenching on the atmosphere side.
22
3
1.2
1.4
20
°
l5
H8
1.5
d7
5
Features
• Single seal
• Balanced
• Independent of direction of rotation
• Stationary springs
• Dual seals in tandem as well as back-to-back
arrangements (also in combination with H10 seal)
1.3
1.1
H11
2
h6
4
d1
d3
d 10
6
d6
mx
d8
l6
5
Materials
Item Part no. to DIN 24250
HRN © EagleBurgmann
Seal face: Carbon graphite resin impregnated (B),
1.1
472
Silicon carbide (Q1)
1.2
412.1
Seat: Silicon carbide (Q1)
1.3
485
Secondary seals: FKM (V), NBR (P), FFKM (K), PTFE (T)
1.4
477
Springs: Hastelloy® C-4 (M)
1.5
412.2
2
475
Metal parts: CrNiMo steel (G)
3
412.3
Standards and approvals
4
485
5
412.4
• EN 12756
6
904
Recommended applications
• Pulp and paper industry
• Water and waste water technology
• Dirty, abrasive and solid containing media
• Fugitive hydrocarbons (no API seal!)
• Sticky and stringy media
• Chemical standard pumps
• Sewage pumps
Description
Seal face
O-Ring
Retainer
Spring
O-Ring
Seat
O-Ring
Drive collar
O-Ring
Set screw
Dimensions in mm
d1
18
20
22
24
25
28
30
32
33
35
38
40
43
45
48
50
53
55
58
60
63
65
68
70
75
80
85
90
95
100
d3
33
35
37
39
40
43
45
48
48
50
56
58
61
63
66
70
73
75
78
80
83
85
90
92
97
105
110
115
120
125
d6
27
29
31
33
34
37
39
42
42
44
49
51
54
56
59
62
65
67
70
72
75
77
81
83
88
95
100
105
110
115
d7
33
35
37
39
40
43
45
48
48
50
56
58
61
63
66
70
73
75
78
80
83
85
90
92
97
105
110
115
120
125
d8
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
d10
34.7
36.7
38.7
40.7
41.7
44.7
46.7
49.7
49.7
51.7
57.7
59.7
62.7
64.7
67.7
71.7
74.7
76.7
80.5
82.5
85.5
87.5
92.5
94.5
100.5
108.5
113.5
118.5
123.5
128.5
I1k
37.5
37.5
37.5
40
40
42.5
42.5
42.5
42.5
42.5
45
45
45
45
45
47.5
47.5
47.5
52.5
52.5
52.5
52.5
52.5
60
60
60
60
65
65
65
I3
19.5
19.5
19.5
20.5
20.5
21.5
21.5
21.5
21.5
21.5
24
24
24
24
24
25
25
25
28
28
28
28
28
34
34
34
34
39
39
39
I5
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3
3
3
3
3
I6
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
f
3
3
3
3.5
3.5
3.5
3.5
3.5
3.5
3.5
4
4
4
4
4
4
4
4
4
4
4
4
4
6
6
6
6
10
10
10
mx
4
4
4
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
8
8
8
8
8
8
8
23
Mechanical seals • Mechanical seals for pumps • Pusher seals
H75VN
l4
l5
( l6 )
l7
l11
Q
F
1.1.4
1.1.6 1.1.5 1.1.3
1.1.1
2
7
1.2
5 1.3
4
9
13
12
d6
1.1.2 1.1.7
d3
h6
d1
d5
H7
d2
d4
11
10
Features
• Single seal
• Cartridge unit available
• Design acc. to API 682/ISO 21049
• Category 2 and 3, Type A, Arrangement 1
• Independent of direction of rotation
• Rotating multiple springs
• Integrated pumping device available (H75VP)
Advantages
• “Low-Emission-Seal” acc. to the American STLE-limits
• Universally applicable both for retrofits or original
equipment
• Efficient stock-keeping due to standardized components
• Extended selection of materials
• Extended field of operation in terms of temperature and
pressure
• Metal parts also in special materials available
Operating range (see note on page 1)
Shaft diameter: d = 20 … 110 mm (0.79" … 4.33")*
Pressure: p1 = 40 bar (580 PSI)
Temperature: t = –40 °C … +220 °C
(–40 °F … +428 °F)
Sliding velocity: vg = 23 m/s (75 ft/s)
Axial movement: ±2.0 … 4.0 mm depending on diameter
and installation situation
* Other sizes on request
D
Materials
Item
Description
API–H75VN
Seal face: Carbon graphite antimony impregnated
(A) © EagleBurgmann
1.1.1
Seal face
Seat: Silicon carbide (Q1, Q2)
1.1.2
Drive collar
Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K) 1.1.3
Thrust ring
Springs: Hastelloy® C-4 (M)
1.1.4, 1.3
O-Ring
1.1.5
Sleeve
Metal parts: CrNiMo steel (G), Duplex (G1)
1.1.6 Spring
Hastelloy® C-4 (M)
1.1.7, 13
Set screw
Standards and approvals
1.2
Seat
2
Shaft sleeve
• API 682/ISO 21049
4
Housing
Recommended applications
5
Insert
7
Throttle ring
• Process industry
9
Washer
• Oil and gas industry
10
Assembly fixture
• Refining technology
11
Hexagon bolt
• Petrochemical industry
12
Set ring
• Power plant technology
• Hot water
Product variants
• Light hydrocarbons
• API 610/ISO 13709 pumps
H75VP
• Process pumps
Dimensions, items and descriptions as H75VN, but with
pumping ring. Shorter installation length possible.
H75N
Dimensions, items and descriptions as H75VN.
Seal face: Silicon carbide (Q1, Q2)
Seat: Silicon carbide (Q1, Q2)
24
Dimensions in mm
API/d1
20
30
40
50
60
70
80
90
100
110
API/d2
70
80
90
100
120
130
140
160
170
180
API/d 3
105
115
125
140
160
170
180
205
215
225
Dimensions in inch
API/d1
0.787
1.181
1.575
1.969
2.362
2.756
3.15
3.543
3.937
4.331
API/d2
2.756
3.15
3.543
3.937
4.724
5.118
5.512
6.299
6.693
7.087
API/d 3
4.134
4.528
4.921
5.512
6.299
6.693
7.087
8.071
8.465
8.858
API/d 4
85
95
105
115
135
145
155
175
185
195
d5
50
62
72
86
99
109
119
129
153
168
d6
138
148
158
168
188
198
208
238
248
258
l4
95
100.5
105.5
111.5
120.5
124.5
129
129
133
133
l5
94
98
98.5
99.5
102
106
106
106
109
109
l(6)
1
2.5
7
12
18.5
18
23
23
24
24
l7
76
77
77.5
78.5
81
81
81
81
81
81
l11
6
6
6
6
6
6
6
6
6
6
Overall length
100
104
125
140
160
170
180
205
215
225
API/d 4
3.346
3.74
4.134
4.528
5.315
5.709
6.102
6.89
7.283
7.677
d5
1.969
2.441
2.835
3.386
3.898
4.291
4.685
5.079
6.024
6.614
d6
5.433
5.827
6.22
6.614
7.402
7.795
8.189
9.37
9.764
10.157
l4
3.74
3.957
4.154
4.39
4.744
4.902
5.079
5.079
5.236
5.236
l5
3.701
3.858
3.878
3.917
4.016
4.173
4.173
4.173
4.291
4.291
l(6)
0.039
0.098
0.276
0.472
0.728
0.709
0.906
0.906
0.945
0.945
l7
2.992
3.031
3.051
3.091
3.189
3.189
3.189
3.189
3.189
3.189
l11
0.236
0.236
0.236
0.236
0.236
0.236
0.236
0.236
0.236
0.236
Overall length
3.937
4.094
4.921
5.512
6.299
6.693
7.087
8.071
8.465
8.858
25
Mechanical seals • Mechanical seals for pumps • Pusher seals
H75VK
l4
l6
l5
l7
l 10
LBO
6
Features
• Dual seal
• Cartridge unit
• Design acc. to API 682/ISO 21049
• Category 2 and 3, Type A, Arrangement 2 or 3
• Bi-directional design available
• Rotating multiple springs
• Integrated pumping device
• Suitable for pressure reversals
Advantages
• Universally applicable both for retrofits or original
equipment
• Efficient stock-keeping due to standardized components
• Extended selection of materials
• Extended field of operation in terms of temperature and
pressure
• Metal parts also in special materials available
• Safe operation due to metal torque transmission at the
rotating seal face
Operating range (see note on page 1)
Shaft diameter: d = 20 … 110 mm (0.79" … 4.33")*
Pressure: p1 = 40 bar (580 PSI)
Temperature: t = –40 °C … +220 °C
(–40 °F … +428 °F)
Sliding velocity: vg = 23 m/s (75 ft/s)
Axial movement: ±2.0 … 4.0 mm depending on diameter
and installation situation
* Other sizes on request
Materials
Seal face: Carbon graphite antimony impregnated (A),
Silicon carbide (Q1, Q2)
Seat: Silicon carbide (Q1, Q2)
Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), Duplex (G1)
Hastelloy® C-4 (M)
Standards and approvals
• API 682/ISO 21049
26
3
9
4 2.1.2
1.3 8
2.1.6 2.1.5
1.1.3 1.1.1 1.2
1.1.6 1.1.5
1.1.4
2.1.4 2.1.1 2.2
2.1.3
2.3
12 16
15
11
LBI
Item
1.1.1, 2.1.1
1.1.2, 2.1.2
1.1.3, 2.1.3
1.1.4, 2.1.4, 1.3, 2.3
1.1.5, 2.1.5
1.1.6, 2.1.6
1.1.7, 16
1.2, 2.2
3
4
6
8
9
11
12
13
14
15
Description
Seal face
Drive collar
Thrust ring
O-Ring
Sleeve
Spring
Set screw
Seat
Shaft sleeve
Key
Retainer
Washer
Pin
Housing
HSH Cap screw
Assembly fixture
Hexagon bolt
Set ring
Recommended applications
• Oil and gas industry
• Refining technology
• Petrochemical industry
• Power plant technology
API–H75VK–D © EagleBurgmann
• Light volatile and highly viscous hydrocarbons
• API 610/ISO 13709 pumps
• Process pumps
d6
1.1.7 1.1.2
d3
h6
d1
d5
H7
d2
d4
14
13
Product variant
H75VKP-D
Dual seal in back-to-back arrangement. Suitable for
API 610 table 6 seal chambers.
3
6
5
4
7
4
1
3
5
2
3
9
8
d6
1
d4
2
d3
H7
h6
3
d1
d2
d4
LBO
LBI
Dimensions in mm
API/d1
20
30
40
50
60
70
80
90
100
110
API/d2
70
80
90
100
120
130
140
160
170
180
API/d 3
105
115
125
140
160
170
180
205
215
225
API/d 4
85
95
105
115
135
145
155
175
185
195
d5
60
70
82
94
114
124
134
146
163
173
d6
l4
l5
l6
129 API–H75VKP–D
144 © EagleBurgmann
97
47
139
145.5
96
49.5
149
146.5
96.5
50
168
158
106.5
51.5
188
165
107.5
57.5
198
170
107.5
62.5
208
175
107.5
67.5
238
178.8
116.9
61.9
248
185
117.5
67.5
258
188
116.5
71.5
l7
81
77.5
78
88
90.2
85
85
94.4
92
91
l10
6
8
8
10.5
4.5
10
12.5
6.9
11.5
15.5
Axial movement
±2.00
±2.00
±2.00
±2.00*
±2.00*
±2.00*
±2.00*
±3.00
±2.00*
±3.00
l7
3.189
3.051
3.071
3.465
3.551
3.346
3.346
3.717
3.622
3.583
l10
0.236
0.315
0.315
0.413
0.177
0.394
0.492
0.272
0.453
0.61
Axial movement
±0.079
±0.079
±0.079
±0.079*
±0.079*
±0.079*
±0.079*
±0.118
±0.079*
±0.118
* For larger installation space an axial movement of ±3.0 mm is possible
Dimensions in inch
API/d1
0.787
1.181
1.575
1.969
2.362
2.756
3.15
3.543
3.937
4.331
API/d2
2.756
3.15
3.543
3.937
4.724
5.118
5.512
6.299
6.693
7.087
API/d 3
4.134
4.528
4.921
5.512
6.299
6.693
7.087
8.071
8.465
8.858
API/d 4
3.346
3.74
4.134
4.528
5.315
5.709
6.102
6.89
7.283
7.677
d5
2.362
2.756
3.228
3.701
4.488
4.882
5.276
5.748
6.417
6.811
d6
5.079
5.472
5.866
6.614
7.402
7.795
8.189
9.37
9.764
10.157
l4
5.669
5.728
5.768
6.22
6.496
6.693
6.89
7.039
7.283
7.402
l5
3.819
3.780
3.799
4.193
4.232
4.232
4.232
4.602
4.626
4.587
l6
1.85
1.949
1.969
2.028
2.264
2.461
2.657
2.437
2.657
2.815
* For larger installation space an axial movement of 0.118" is possible
27
Mechanical seals • Mechanical seals for pumps • Pusher seals
HJ92N
l1k
l3
l 7 +0,5
l19
f
mx
* An integral stationary seat lock is not needed within the
permissible low pressure range. For prolonged operation under
vacuum it is necessary to arrange for quenching on the
atmospheric side.
Materials
Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B)
Seat G16: Silicon carbide (Q1)
Standards and approvals
• EN 12756
20
°
l5
H8
d7
d8
l6
HJ92N © EagleBurgmann
Recommended applications
Item
• Pharmaceutical industry
1.1
• Power plant technology
1.2
• Pulp and paper industry
1.3
• Water and waste water technology
1.4
• Mining industry
1.5
• Food and beverage industry
1.6
• Sugar industry
2
• Contaminated, abrasive and solids containing media
3
• Thick juice (70 … 75 % sugar content)
• Raw sludge, sewage slurries
• Raw sludge pumps
• Thick juice pumps
• Conveying and bottling of dairy products
Product variants
HJ927GN
Items and description as HJ92N.
Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B)
Seat G46: Silicon carbide (Q12)
Installations length l11 (= l3 + l39) is longer than l1k.
H11
l18
1.3
Features
• For unstepped shafts
• Single seal
• Balanced
• Independent of direction of rotation
• Encapsulated rotating spring
Operating range (see note on page 1)
Shaft diameter: d1 = 18 … 100 mm (0.71" … 4")
Pressure: p1* = 0.8 abs … 25 bar (12 abs. … 363 PSI)
Temperature: t = –50 °C … +220 °C
(–58 °F … +430 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Axial movement: ±0.5 mm.
3
d6
1.2
Advantages
• Especially designed for solids containing and highly
viscous media
• Springs are protected from the product
• Rugged and reliable design
• No damage of the shaft by dynamically loaded O-Ring
• Universal application
• Variant for operation under vacuum available
• Variant for sterile operation available
2
1.1
h6
1.5
d1
1.4
dm
d3
1.6
5
Part no. to DIN 24250
472/473 485 412.2 412.1 477 904 475 412.3 Description
Seal face
Drive collar
O-Ring
O-Ring
Spring
Set screw
Seat (G16)
O-Ring
HJ977GN
Items and description as HJ92N.
Seal face: Silicon carbide (Q12)
Seat G46: Silicon carbide (Q12)
Installation length l1k
Operating range:
Temperature: t = –20 °C … +180 °C (–4 °F … +356 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
HJ97GN5
Items and description as HJ92N.
Seal face: Silicon carbide (Q12)
Seat G16: Silicon carbide (Q1)
Installations length l12 (= l13 + l19) is shorter than l1k.
HJ4…
Mechanical seals with product-protected multiple springs,
for high pressure applications.
Pressure: p = max. 50 bar (725 PSI)
Shaft diameter: d1 >100 mm (3,94")
Smaller diameters and higher pressure on request.
l1k
l 11
l38
l 38
l3
l 39
HJ927GN © EagleBurgmann
HJ927GN
l13
l39
HJ977GN © EagleBurgmann
HJ977GN
1.6
1.2
1.1
1.4
1.3
2
1.5
HJ4 … (example)
HJ4 © EagleBurgmann
28
3
Dimensions in mm
d1
18
20
22
24
25
28
30
32
33
35
38
40
43
45
48
50
53
55
58
60
63
65
68
70
75
80
85
90
95
100
d3
32
34
36
38
39
42
44
47
47
49
54
56
59
61
64
66
69
71
78
80
83
85
88
90
99
104
109
114
119
124
d6
27
29
31
33
34
37
39
42
42
44
49
51
54
56
59
62
65
67
70
72
75
77
81
83
88
95
100
105
110
115
d7
33
35
37
39
40
43
45
48
48
50
56
58
61
63
66
70
73
75
78
80
83
85
90
92
97
105
110
115
120
125
d8
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
dm
l1k
26.0 37.5
28.0 37.5
30.0 37.5
32.5 40.0
33.5 40.0
36.5 42.5
38.5 42.5
41.5 42.5
41.5 42.5
43.5 42.5
47.5 45.0
49.5 45.0
52.5 45.0
54.5 45.0
57.5 45.0
59.5 47.5
62.5 47.5
64.5 47.5
68.5 52.5
70.5 52.5
73.5 52.5
75.5 52.5
78.5 52.5
80.5 60.0
89.0 60.0
94.0 60.0
99.0 60.0
104.0 65.0
109.0 65.0
114.0 65.0
l3
30.5
30.5
30.5
33.0
33.0
35.5
35.5
35.5
35.5
35.5
37.0
37.0
37.0
37.0
37.0
38.0
38.0
38.0
42.0
42.0
42.0
42.0
41.5
48.5
48.5
48.5
48.5
52.0
52.0
52.0
l5
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3.0
3.0
3.0
3.0
3.0
l6
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
l7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
l18
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
16.0
16.0
16.0
16.0
16.0
17.0
17.0
17.0
18.0
18.0
18.0
18.0
18.5
19.0
19.0
19.0
19.0
20.5
20.5
20.5
l19
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
8.0
8.0
8.0
8.0
8.0
9.5
9.5
9.5
10.5
10.5
10.5
10.5
11.0
11.5
11.5
11.5
11.5
13.0
13.0
13.0
l11
39.5
39.5
39.5
42.0
42.0
45.0
45.0
45.0
45.0
45.0
47.5
47.5
47.5
47.5
47.5
50.0
50.0
50.0
55.0
55.0
55.0
55.0
55.0
62.5
62.5
62.5
62.5
67.5
67.5
67.5
l12
35.5
35.5
35.5
38.0
38.0
40.0
40.0
40.0
40.0
40.0
42.5
42.5
42.5
42.5
42.5
45.0
45.0
45.0
50.0
50.0
50.0
50.0
50.0
57.5
57.5
57.5
57.5
62.5
62.5
62.5
l13
28.5
28.5
28.5
31.0
31.0
33.0
33.0
33.0
33.0
33.0
34.5
34.5
34.5
34.5
34.5
35.5
35.5
35.5
39.5
39.5
39.5
39.5
39.0
46.0
46.0
46.0
46.0
49.5
49.5
49.5
l 38
17.0
17.0
17.0
17.0
17.0
17.5
17.5
17.5
17.5
17.5
18.5
18.5
18.5
18.5
18.5
19.5
19.5
19.5
20.5
20.5
20.5
20.5
21.0
21.5
21.5
21.5
21.5
23.0
23.0
23.0
l 39
9.0
9.0
9.0
9.0
9.0
9.5
9.5
9.5
9.5
9.5
10.5
10.5
10.5
10.5
10.5
12.0
12.0
12.0
13.0
13.0
13.0
13.0
13.5
14.0
14.0
14.0
14.0
15.5
15.5
15.5
f
3.0
3.0
3.0
3.5
3.5
3.5
3.5
3.5
3.5
3.5
4.0
4.0
4.0
4.0
4.0
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
5.0
5.5
5.5
5.5
5.5
5.5
5.5
mx
M4
M4
M4
M5
M5
M5
M5
M5
M5
M5
M5
M5
M5
M5
M5
M6
M6
M6
M6
M6
M6
M6
M6
M6
M8
M8
M8
M8
M8
M8
29
Mechanical seals • Mechanical seals for pumps • Pusher seals
H12N
l1
b
l9
2
20°
Features
• For Stepped shafts
• Single seal
• Balanced
• Dependent of direction of rotation
• Torque transmission via conical spring
Advantages
• High flexibility due to extended selection of materials
• Insensitive to low solids contents
• Short Installation length possible (G16)
• Economical balanced seal
• Seat cooling for hot water applications available (G115)
• No damage of the shaft by set screws
Operating range (see note on page 1)
Shaft diameter d1 = 10 … 80 mm (0.4" … 3.125")
Pressure: p1 = 25 bar (363 PSI)
Temperature: t = –50 °C … +220 °C
(–58 °F … +430 °F)
Sliding velocity: vg = 15 m/s (50 ft/s)
Axial movement: ±1.0 mm
Materials
Seal face: Carbon graphite antimony impregnated (A)
Seat G9: Silicon carbide (Q1), Special cast CrMo steel (S)
Standards and approvals
• EN 12756
Recommended applications
• Chemical industry
• Pulp and paper industry
• Water and waste water technology
• Low solids content media (H17GN)
• Hot water
• Chemical standard pumps
• Water and sewage pumps
3
l1N
Item
1.1
1.2
1.3
1.4
1.4
2
3
Part no. to DIN 24250
472/473 412.1 474 478 479 475 412.2 l5
H8
d7
h6
l8
R1
,6
H11
3
d6
1.1
d1
1.3 1.2
d2
min
db
d3
1.4
10°
l3
d8
l6
5
l2
l7
+0,5
Description
Product variants
HN12 © EagleBurgmann
Seal face
H12
O-Ring
Dimensions, items and descriptions as for H12N, but with
Thrust ring
seat G16.
Righthand spring
Lefthand spring
Seal face: Carbon graphite antimony impregnated (A)
Type G9 stationary seat Seat G16: Silicon carbide (Q1), Special cast
O-Ring
CrMo steel (S), Aluminium oxide (V)
H17GN
Dimensions, items and descriptions as for H12N,
but with shrink-fitted seal face (Q12)
(Item no. 1.1).
Temperature: t = –20 °C … +180 °C (–4 °F … +356 °F)
Seal face: Silicon carbide (Q12)
Seat G9: Silicon carbide (Q1, Q2),
Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B)
H17G
Dimensions, items and descriptions as for H12N, but
with shrink-fitted seal face (Q12) and seat G16.
Temperature: t = –20 °C … +180 °C (–4 °F … +356 °F)
Seal face: Silicon carbide (Q12)
Seat G16: Silicon carbide (Q1)
l9
l8
l3
H17GN
H17GN © EagleBurgmann
30
Seat alternatives
l 40
H8
d7
4,1
G115
Cooled seat especially for hot
water applications. In this case,
the dimensions of the H12N
rotating unit are modified.
Seal designation: H127G115.
Please inquire.
h1
l18
–
–
–
–
15
15
15
15
15
15
15
15
15
15
16
16
16
16
16
17
17
17
18
18
18
18
19
19
19
l19
–
–
–
–
7
7
7
7
7
7
7
7
7
7
8
8
8
8
8
9.5
9.5
9.5
10.5
10.5
10.5
10.5
11.5
11.5
11.5
5
d1
H11
l 18
d6
l 19
a
+0,1
d 22 –0,05
G16 (EN 12756 but l1k
and l2 are shorter than
specified)
d 21 +0,1
l6
20°
l5
Ø
G16 © EagleBurgmann
k
e
h2
l 39
Dimensions in mm
d1
10
12
14
16
18
20
22
24
25
28
30
32
33
35
38
40
43
45
48
50
53
55
58
60
63
65
70
75
80
d2
14
16
18
20
22
24
26
28
30
33
35
38
38
40
43
45
48
50
53
55
58
60
63
65
68
70
75
80
85
d3
24
26
31
34
36
38
40
42
44
47
49
54
54
56
59
61
64
66
69
71
78
79
83
85
88
90
98
103
109
d6
17
19
21
23
27
29
31
33
34
37
39
42
42
44
49
51
54
56
59
62
65
67
70
72
75
77
83
88
95
d7
21
23
25
27
33
35
37
39
40
43
45
48
48
50
56
58
61
63
66
70
73
75
78
80
83
85
92
97
105
d8
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
d21
–
–
–
–
–
–
–
–
–
44.65
47.83
47.83
47.83
51.00
54.18
60.53
63.70
63.70
66.88
70.05
76.40
76.40
79.58
82.75
85.93
85.93
89.10
98.63
101.80
d22
–
–
–
–
–
–
–
–
–
50.57
53.75
53.75
53.75
56.92
60.10
66.45
69.62
69.62
72.80
75.97
82.32
82.32
85.50
88.67
91.85
91.85
95.02
104.55
107.72
db
18
21
23
26
28
30
31
35
37
40
43
45
45
49
52
55
58
61
64
66
69
71
74
77
80
83
88
93
98
l1N
50
50
55
55
55
60
60
60
60
65
65
65
65
65
75
75
75
75
85
85
85
85
85
95
95
95
95
105
105
l1
35.5
36.5
39.5
41.0
44.0
44.0
44.0
44.0
45.0
47.0
47.0
51.0
51.0
55.0
60.0
62.0
65.0
69.0
69.0
73.0
75.0
75.0
75.0
75.0
75.0
76.0
81.0
86.0
86.0
l2
18
18
18
18
20
20
20
20
20
20
20
20
20
20
23
23
23
23
23
25
25
25
25
25
25
25
28
28
28
l3
25.5
26.5
29.5
31.0
32.5
32.5
32.5
32.5
33.5
35.5
35.5
39.5
39.5
43.5
46.0
48.0
51.0
55.0
55.0
58.0
60.0
60.0
60.0
60.0
60.0
61.0
63.0
68.0
68.0
l5
1.5
1.5
1.5
1.5
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3.0
l6 l7
l8
l9
4 G115
8.5 © EagleBurgmann
17.5
10.0
4
8.5
17.5
10.0
4
8.5
17.5
10.0
4
8.5
17.5
10.0
5
9.0
19.5
11.5
5
9.0
19.5
11.5
5
9.0
19.5
11.5
5
9.0
19.5
11.5
5
9.0
19.5
11.5
5
9.0
19.5
11.5
5
9.0
19.5
11.5
5
9.0
19.5
11.5
5
9.0
19.5
11.5
5
9.0
19.5
11.5
6
9.0
22.0
14.0
6
9.0
22.0
14.0
6
9.0
22.0
14.0
6
9.0
22.0
14.0
6
9.0
22.0
14.0
6
9.0
23.0
15.0
6
9.0
23.0
15.0
6
9.0
23.0
15.0
6
9.0
23.0
15.0
6
9.0
23.0
15.0
6
9.0
23.0
15.0
6
9.0
23.0
15.0
7
9.0
26.0
18.0
7
9.0
26.0
18.0
7
9.0
26.2
18.2
l 39
–
–
–
–
–
–
–
–
–
24.0
24.5
24.5
24.5
24.5
26.0
26.0
26.0
26.0
26.0
26.5
26.5
28.5
28.5
28.5
28.5
28.5
30.5
30.5
30.2
l 40
–
–
–
–
–
–
–
–
–
8.5
9.0
9.0
9.0
9.0
11.0
11.0
11.0
11.0
11.0
12.5
12.5
12.5
12.5
12.5
12.5
12.5
14.5
14.5
14.0
a
–
–
–
–
–
–
–
–
–
24.0
24.0
24.0
24.0
24.0
24.0
24.0
24.0
24.0
24.0
24.0
24.0
26.0
26.0
26.0
26.0
26.0
26.0
26.0
26.0
b
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
8
8
8
8
8
8
8
8
8
10
10
e
–
–
–
–
–
–
–
–
–
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
h1
–
–
–
–
–
–
–
–
–
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
h2
–
–
–
–
–
–
–
–
–
22.6
22.6
22.6
22.6
22.6
22.6
22.6
22.6
22.6
22.6
22.6
22.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
k
–
–
–
–
–
–
–
–
–
9
9
9
9
9
9
9
9
9
9
9
9
11
11
11
11
11
11
11
11
b*
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
7.5
7.5
8.0
7.5
8.0
8.0
(8)
8.0
8.0
8.0
8.0
8.0
8.0
8.0
10.0
10.0
10.0
10.0
* l1N acc. to EN 12756 is exceeded
31
Mechanical seals • Mechanical seals for pumps • Pusher seals
H3B
9 min
± 0,5
2
1.1 2
3
l3
d4
n x d6
°
20
l4
Advantages
• Excellent torque transmission due to clutch drive between
seal head and drive collar.
Operating range (see note on page 1)
Pressure: p = 12 bar (174 PSI)
Temperature: t = –20 °C … +160 °C (–4 °F … +320 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Viscosity: … 300 mPa·s
Solids content: … 7 %
Standards and approvals
• ISO 3096
Recommended applications
• Process industry
• Oil and gas industry
• High viscous media (tar, heavy oils)
• Process pumps
Materials
Seal face and seat: Silicon carbide (Q1),
Tungsten carbide (U7)
Secondary seals: FKM (V)
Metal parts: CrNiMo steel (G)
Dimensions in mm
d
24
26
28
30
33
35
38
40
43
45
48
50
53
55
58
60
63
65
68
70
75
80
85
90
95
100
105
32
d1
20
22
24
25
28
30
33
35
38
40
43
45
48
50
53
55
58
60
63
65
70
75
80
85
90
95
100
d2
38
40
42
44
47
49
54
56
59
61
64
66
69
71
76
78
81
84
87
90
95
100
107
112
119
124
129
d3
40
42
44
46
49
51
58
60
63
65
68
70
73
75
83
85
88
90
93
95
104
109
114
119
124
129
134
d4
29
31
33
34
37
39
42
44
50
52
55
57
60
62
65
67
70
72
75
77
83
88
96
101
106
111
116
5
l5
Features
• Single seal
• Balanced
• Independent of direction of rotation
d5
35
37
39
40
43
45
48
50
56
58
61
63
66
68
71
73
79
81
84
86
92
97
105
110
115
120
125
d6
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
l
62
62
64
64
64
68
71
73
76
76
76
80
80
82
84
84
84
88
88
89
94
94
100
100
105
105
105
l1
49
49
51
51
51
55
58
60
61
61
61
65
65
65
68
68
68
72
72
73
75
75
81
82
87
87
87
l2
13
13
13
13
13
13
13
13
15
15
15
15
15
17
16
16
16
16
16
16
19
19
19
18
18
18
18
l3
42
42
44
44
44
48
51
53
53
53
53
57
57
57
59
59
59
63
63
64
66
66
72
72
77
77
77
l4
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
7
7
7
7
7
7
7
7
7
7
7
l5
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
Item
1.1
1.2, 3
H3B © EagleBurgmann
1.3
1.4
1.5
2
Description
Seal face
O-Ring
Spring
Drive collar
Set screw
Seat
H7
1.2
d5
1.3
30°
1.4
l2
d1
h7
1.5
d
d2
d3
min
l1
H11
l
Mechanical seals • Mechanical seals for pumps • Pusher seals
H10 / H8
l
8
Advantages
• Insensitive to solids in the medium
• Very short axial installation length (analog lip seals)
combined with high pressurre capability
• No damage of the shaft by dynamically loaded O-Ring
• Due to the stationary design insensitive to shaft
misalignements
• Compact ready-to-install unit
Operating range (see note on page 1)
Shaft diameter: d1 = 15 … 100 mm (0.6" … 3.9")
Pressure: p1 = 25 bar (363 PSI)
Temperature: t = –40 °C … +180 °C
(–40 °F … +356 °F)
Sliding velocity: vg = 35 m/s (115 ft/s)
H7
d3
2
l1
Item Part no. to DIN 24250
1.1
472 473 1.2
485 1.3 1.4
477 2
475 3
412.2 DescriptionH10 © EagleBurgmann
Product variant
Seal face
H8
Seal face housing
Dimensions, items and decription as H10. Drive collars
Drive collar
and housings for item 1.2 are made of deep-drawn
O-Ring
stainless steel sheet.
Spring
l1´
Rotating seat*
O-Ring
* The stationary seat design is chosen according to the specific
requirements and conditions of operation.
1.2
d2´
Features
• Single seal
• Balanced
• Independent of direction of rotation
• Stationary multiple springs
± 0,1
1.2
d6
1.4
d5
d4
3
+0,3
1.3
min
1.1
d1
2
d2
Ø3
3
Materials
Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B)
Recommended applications
• Process industry
• Chemical industry
• Water and waste water technology
• Lube oils
• Roller seal
• Bearing seal
• All seal chambers with a very short axial
installation length
Dimensions in mm
d1
d2
d2’
d3
d4
15
16
17
42
22.6
18
19
–
45
25.6
20
21
22
48
27.6
22
23
24
50
29.6
25
26
27
52
32.8
28
29
–
55
35.8
30
31
32
58
37.8
32
33
34
60
39.8
35
36
37
62
42.8
38
39
40
65
45.9
40
41
42
68
47.9
42
43
44
72
49.9
45
46
47
75
52.9
48
49
–
80
55.9
50
51
52
80
58.2
52
53
–
82
60.2
55
56
57
85
63.2
58
59
–
90
66.7
60
61
62
90
68.7
65
66
67
95
73.7
68
69
70
100
76.7
70
71
72
100
78.7
75
76
77
108
83.7
80
81
82
112
88.7
85
86
87
118
93.7
90
91
92
122
99.5
95
96
97
128
104.5
100
101
102
132
109.5
Axial tolerances: l ±0.5 H10, l ±0.2 H8
d5
21
24
26
28
31
34
36
38
41
44
46
48
51
54
56
58
61
64
66
71
74
76
81
86
91
96
101
106
d6
34
37
40
42
44
47
50
52
54
57
60
64
67
72
72
74
77
82
82
87
92
92
100
104
110
114
120
124
l
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
19
19
19
19
19
19
19
19
19
l1
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
16.5
16.5
16.5
16.5
16.5
16.5
16.5
16.5
16.5
l1’
16
–
16
16
16
–
16
16
16
16
16
16
16
–
16
–
16
–
16
18
18
18
18
18
18
18
18
18
H8 © EagleBurgmann
33
Mechanical seals · Mechanical seals for pumps · Standard cartridge seals
Cartex Single seals
l1
l2
Cartex-SN
l4
l3
15
13
12
6
Operating range (see note on page 1)
Cartex-SN, -SNO, -QN, -TN, -Vario
Sliding face material combination BQ1
Pressure: p1 = 25 bar (363 PSI)
Sliding velocity: vg = 16 m/s (52 ft/s)
Sliding face material combination Q1Q1 or U2Q1
Pressure: p1 = 12 bar (174 PSI)
Sliding velocity: vg = 10 m/s (33 ft/s)
Axial movement: ±1.0 mm, d1 ≥75 ±1.5 mm
34
14 11
2
9
3
Description
45°
45°
Seal face
A
Cartex © EagleBurgmann
O-Ring
Spring
Seat
Shaft sleeve
Drive collar
da
Set screw
Snap ring
Housing
Assembly fixture
Screw
Gasket
Screw plug
Machined cover version
Lip seal (-QN), throttle ring (-TN)
CARTEX_cover_mach © EagleBurgmann
Materials
Seal face: Silicon carbide (Q1), Carbon graphite resin
impregnated (B), Tungsten carbide (U2)
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V), EPDM (E), FFKM (K),
Perflourocarbon rubber/PTFE (U1)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), CrNiMo cast steel (G)
Recommended applications
• Process industry
• Petrochemical industry
• Chemical industry
• Pharmaceutical industry
• Power plant technology
• Pulp and paper industry
• Water and waste water technology
• Mining industry
• Food and beverage industry
• Sugar industry
• Universally applicable
• Centrifugal pumps
• Eccentric screw pumps
• Process pumps
s
45°
A
45°
da
a1
Shaft diameter:
d1 = 25 … 100 mm (1.000" … 4.000")
Other sizes on request
Temperature: t = –40 °C … +220 °C
(–40 °F … +428 °F)
(Check O-Ring resistance)
10
a1
Advantages
• Ideal seal for standardizations
• Universal applicable for packings conversions, retrofits or
original equipment
• No dimensional modification of the seal chamber
(centrifugal pumps) necessary, small radial installation
height
• No damage of the shaft by dynamically loaded O-Ring
• Extended service life
• Installation faults are avoided, cost-effective
• No damage caused by dirt entered during assembly
• Straightforward and easy installation due to
pre-assembled unit (reduced down-times)
• Individual adaptation to pump design possible
• Customer specific versions available
Item
1
2, 5, 7
3
4
6
8
9
10
11
12
13
14
15
16
8
s
Features
• Single seal
• Cartridge
• Balanced
• Independent of direction of rotation
• Single seals without connections (-SNO), with flush (-SN)
and with quench combined with lip seal (-QN) or throttle
ring (-TN)
• Additional variants available for ANSI pumps
(e. g.-ABPN) and eccentric screw pumps (-Vario)
1
h6
5 4
d1
d2
d3
7
Cast cover versionCARTEX_cover_cast © EagleBurgmann
Product variants
Cartex-SNO
Single seal without connections, for dead-end operation.
Cartex-QN
Single seal for operation with unpressurized quench. Same
as “-SN” version but with outboard lip seal (item 16). The
cover has auxiliary connections for flushing and quench.
Lip seal: NBR (P), PTFE carbon reinforced (T3)
Cartex-TN
Single seal, same as Cartex-SN but with throttle ring
(item 16). The cover has auxiliary connections for flushing
and quench. Throttle ring: PTFE carbon-graphite reinforced.
l 15
l 12
l 13
l 15
l 16
l 17
l 14
l 17
l 16
15
Cartex-SNO
CARTEX–SNO © EagleBurgmann
Dimensions in
mm
d1
25
28
30
32
33
35
38
40
42
43
45
48
50
53
55
60
65
70
75
80
85
90
95
100
d2
43.0
46.0
48.0
49.8
49.8
53.0
56.0
58.0
60.5
60.5
62.5
65.6
68.0
72.0
73.0
78.0
84.8
93.0
100.0
106.4
109.5
115.9
119.1
125.4
d 3min.
44.0
47.0
49.0
51.0
51.0
54.0
57.0
59.0
61.5
61.5
64.0
67.0
69.0
73.0
74.0
79.0
85.7
95.0
101.6
108.0
111.1
117.5
120.7
127.0
Dimensions in inch
d1
1.000
1.125
1.250
1.375
1.500
1.625
1.750
1.875
2.000
2.125
2.250
2.375
2.500
2.625
2.750
2.875
3.000
3.125
3.250
3.375
3.500
3.625
3.750
4.000
d2
1.693
1.811
1.969
2.087
2.205
2.344
2.461
2.583
2.677
2.835
2.961
3.071
3.213
3.339
3.661
3.937
3.937
4.189
4.189
4.311
4.437
4.563
4.689
4.937
d 3min.
1.750
1.850
2.008
2.126
2.244
2.375
2.520
2.638
2.717
2.875
3.000
3.110
3.250
3.338
3.740
4.000
4.000
4.252
4.252
4.374
4.500
4.626
4.752
5.000
Cartex-Vario
Cartridge seals with modified cover for eccentric screw
pumps.
For e. g. Seepex BN,
Netzsch NM … S, NM … B, NE (P),
Allweiler AE, AEB, AED,
Robbins & Myers/Moyno 2000 CC and Mono E-Range.
Please inquire.
15
16
16
Cartex-TN
Cartex-QN
Cartex–TN © EagleBurgmann
Cartex–QN © EagleBurgmann
d 3max.
51.5
52.0
56.0
57.0
57.0
61.5
66.0
68.0
69.5
70.5
73.0
75.0
78.0
87.0
83.0
91.0
98.5
108.0
118.0
124.0
128.0
135.0
138.0
144.0
l1
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
84
84
84
84
84
84
l2
42.4
42.4
42.4
42.4
42.4
42.4
42.4
42.4
42.4
42.4
42.4
42.4
42.4
42.4
42.4
42.4
42.4
42.4
57.4
57.4
57.4
57.4
57.4
57.4
l3
24.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
26.6
26.6
26.6
26.6
26.6
26.6
l4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
28.0
28.0
28.0
28.0
28.0
28.0
l12
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
35.0
46.1
46.1
46.1
46.1
46.1
46.1
l13
32.0
32.0
32.0
32.0
32.0
32.0
32.0
32.0
32.0
32.0
32.0
32.0
32.0
32.0
32.0
32.0
32.0
32.0
37.9
37.9
37.9
37.9
37.9
37.9
l14
17.5
17.5
17.5
17.5
17.5
17.5
17.5
17.5
17.5
17.5
17.5
17.5
17.5
17.5
17.5
17.5
17.5
17.5
22.0
22.0
22.0
22.0
22.0
22.0
l15
79.5
79.5
79.5
79.5
79.5
79.5
79.5
79.5
79.5
79.5
79.5
79.5
79.5
79.5
79.5
79.5
79.5
79.5
98.0
98.0
98.0
98.0
98.0
98.0
d 3max.
2.008
2.047
2.244
2.421
2.589
2.700
2.874
2.953
3.071
3.425
3.560
3.583
3.800
3.937
4.252
4.646
4.646
4.882
4.882
5.039
5.157
5.315
5.433
5.669
l1
2.640
2.640
2.640
2.640
2.640
2.640
2.640
2.640
2.640
2.640
2.640
2.640
2.640
2.640
2.640
3.307
3.307
3.307
3.307
3.307
3.307
3.307
3.307
3.307
l2
1.669
1.669
1.669
1.669
1.669
1.669
1.669
1.669
1.669
1.669
1.669
1.669
1.669
1.669
1.669
2.260
2.260
2.260
2.260
2.260
2.260
2.260
2.260
2.260
l3
0.969
0.969
0.969
0.969
0.969
0.969
0.969
0.969
0.969
0.969
0.969
0.969
0.969
0.969
0.969
1.047
1.047
1.047
1.047
1.047
1.047
1.047
1.047
1.047
l4
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.100
1.100
1.100
1.100
1.100
1.100
1.100
1.100
l12
1.378
1.378
1.378
1.378
1.378
1.378
1.378
1.378
1.378
1.378
1.378
1.378
1.378
1.378
1.378
1.815
1.815
1.815
1.815
1.815
1.815
1.815
1.815
1.815
l13
1.260
1.260
1.260
1.260
1.260
1.260
1.260
1.260
1.260
1.260
1.260
1.260
1.260
1.260
1.260
1.492
1.492
1.492
1.492
1.492
1.492
1.492
1.492
1.492
l14
0.689
0.689
0.689
0.689
0.689
0.689
0.689
0.689
0.689
0.689
0.689
0.689
0.689
0.689
0.689
0.866
0.866
0.866
0.866
0.866
0.866
0.866
0.866
0.866
l15
3.130
3.130
3.130
3.130
3.130
3.130
3.130
3.130
3.130
3.130
3.130
3.130
3.130
3.130
3.130
–
3.858
3.858
3.858
–
–
–
3.858
–
Cartex-Vario
l16
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
63.9
63.9
63.9
63.9
63.9
63.9
l17
26.1
26.1
26.1
26.1
26.1
26.1
26.1
26.1
26.1
26.1
26.1
26.1
26.1
26.1
26.1
26.1
26.1
26.1
34.1
34.1
34.1
34.1
34.1
34.1
a1
62
62
65
67
67
70
75
75
80
80
81
84
87
97
90
102
109
118
129
135
139
145
148
154
da
105
105
105
108
108
113
123
123
133
133
138
138
148
148
148
157
163
178
190
195
198
205
208
218
s
13.2
13.2
13.2
13.2
13.2
13.2
13.2
14.2
14.2
14.2
14.2
14.2
14.2
18.0
18.0
18.0
18.0
18.0
18.0
18.0
22.0
22.0
22.0
22.0
l16
2.102
2.102
2.102
2.102
2.102
2.102
2.102
2.102
2.102
2.102
2.102
2.102
2.102
2.102
2.102
–
2.516
2.516
2.516
–
–
–
2.516
–
l17
1.028
1.028
1.028
1.028
1.028
1.028
1.028
1.028
1.028
1.028
1.028
1.028
1.028
1.028
1.028
–
1.343
1.343
1.343
–
–
–
1.343
–
a1
2.441
2.441
2.640
2.756
2.953
3.031
3.189
3.307
3.425
3.819
3.940
4.016
4.173
4.291
4.646
5.079
5.079
5.315
5.315
5.472
5.591
5.709
5.827
6.063
da
4.134
4.134
4.252
4.449
4.843
4.843
5.433
5.433
5.827
5.827
6.181
6.181
6.417
6.417
7.008
7.480
7.480
7.677
7.677
7.795
7.795
8.071
8.189
8.583
s
0.520
0.520
0.520
0.520
0.520
0.559
0.559
0.559
0.559
0.709
0.709
0.709
0.709
0.709
0.709
0.709
0.709
0.709
0.709
0.866
0.866
0.866
0.866
0.866
35
Mechanical seals · Mechanical seals for pumps · Standard cartridge seals
Cartex Dual seals
l5
( l6 )
l7
Cartex-DN
l4
21
8
20
Operating range (see note on page 1)
Shaft diameter:
d1 = 25 … 100 mm (1.000" … 4.000")
Other sizes on request
Temperature: t = –40 °C … +220 °C
(–40 °F … +428 °F)
(Check O-Ring resistance)
Sliding face material combination BQ1
Pressure: p1 = 25 bar (363 PSI)
Sliding velocity: vg = 16 m/s (52 ft/s)
Sliding face material combination Q1Q1 or U2Q1
Pressure: p1 = 20 bar (290 PSI)
Sliding velocity: vg = 10 m/s (33 ft/s)
Barrier fluid circulation system:
p3max. = 25 bar (363 PSI)
Δp (p3 - p1)ideal = 2 … 3 bar (29 … 44 PSI),
7 bar (102 PSI) for barrier media with poor lubricating
properties
Pump startup:
Δp (p3 – p1)max. = 25 bar (363 PSI) allowed
Recommended supply medium: max. ISO VG 5
Axial movement: ±1.0 mm, d1 = 75 mm ±1.5 mm
36
9 15 14 17
d1
h6
10
6
2 11 3
12 13 16
Description
Cartex–DN © EagleBurgmann
45°
Seal face
45°
IN
OUT
O-Ring
Spring
Seat
22
Shaft sleeve
Cover
21
da
Seal face
Spring
Seat
Drive collar
OUT
IN
Set screw
Snap ring
Assembly fixture (remove after
Cast cover version
installation)
CARTEX– DN © EagleBurgmann
HSH Cap screw
Version: Gussdeckel
Gasket
45°
45°
Screw plug
Materials
Seal face: Silicon carbide (Q1), Carbon graphite resin
impregnated (B), Tungsten carbide (U2)
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V), EPDM (E), FFKM (K),
Perfluorocarbon rubber/PTFE (U1)
Springs: Hastelloy® (M)
Metal parts: CrNiMo steel (G), CrNiMo cast steel (G)
Recommended seal supply
The EagleBurgmann QFT1000 buffer system and QFT2000
vessels are suitable for Cartex-DN in back-to-back
arrangement. The EagleBurgmann TS1016 and TS2000
thermosiphon systems support double and back-to-back
seal configurations.
s
Item
1 2, 5, 7, 10, 13, 15
3 4 6 8 9 11 12 14 16 17 18 19 20, 22 21 1
a2
Advantages
• Ideal seal for standardizations
• Universal applicable for packings conversions, retrofits
or OEM
• No dimensional modification of the seal chamber
(centrifugal pumps) necessary, small radial installation
height
• No damage of the shaft by dynamically loaded O-Ring
• Extended service life
• Installation faults are avoided, cost-effective
• No damage caused by dirt entered during assembly
• Straightforward and easy installation due to preassembled unit (reduced down-times)
• Individual adaptation to pump design possible
• Customer specific versions available
5 4
OUT
IN
22
21
da
a2
IN
OUT
s
Features
• Dual seal
• Cartridge
• Balanced
• Independent of direction of rotation
• Double pressure balanced
• Integrated pumping device
• Variant for eccentric screw pumps available (-Vario)
d2
d3
7
19
18
Machined cover version
CARTEX
– DN © EagleBurgmann
Recommended
applications
Version Drehdeckel
• Petrochemical industry
• Chemical industry
• Pharmaceutical industry
• Power plant technology
• Pulp and paper industry
• Mining industry
• Food and beverage industry
• Sugar industry
• Centrifugal pumps
• Eccentric screw pumps
• Universally applicable
Dimensions in mm
d1
25
28
30
32
33
35
38
40
42
43
45
48
50
53
55
60
65
70
75
80
85
90
95
100
d2
43.0
46.0
48.0
49.8
49.8
53.0
56.0
58.0
60.5
60.5
62.5
65.6
68.0
72.0
73.0
78.0
84.8
93.0
100.0
106.4
109.5
115.9
119.1
125.4
d 3min.
44.0
47.0
49.0
51.0
51.0
54.0
57.0
59.0
61.5
61.5
64.0
67.0
69.0
73.0
74.0
79.0
85.7
95.0
101.6
108.0
111.1
117.5
120.7
127.0
Dimensions in inch
d1
1.000
1.125
1.250
1.375
1.500
1.625
1.750
1.875
2.000
2.125
2.250
2.375
2.500
2.625
2.750
2.875
3.000
3.125
3.250
3.375
3.500
3.625
3.750
4.000
d2
1.693
1.811
1.961
2.087
2.205
2.343
2.461
2.582
2.677
2.835
2.961
3.071
3.213
3.339
3.661
3.937
3.937
4.189
4.189
4.311
4.437
4.563
4.689
4.937
d 3min.
1.732
1.875
2.008
2.126
2.244
2.375
2.520
2.638
2.717
2.874
3.000
3.125
3.300
3.374
3.740
4.000
4.000
4.252
4.252
4.375
4.500
4.625
4.752
5.000
d 3max.
51.5
52.0
56.0
57.0
57.0
61.5
66.0
68.0
69.5
70.5
73.0
75.0
78.0
87.0
83.0
91.0
98.5
108.0
118.0
124.0
128.0
135.0
138.0
144.0
l4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
28.0
28.0
28.0
28.0
28.0
28.0
l5
86.5
86.5
86.5
86.5
86.5
86.5
86.5
86.5
86.5
86.5
86.5
86.5
86.5
86.5
86.5
86.5
86.5
86.5
108.0
108.0
108.0
108.0
108.0
108.0
l6
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
63.9
63.9
63.9
63.9
63.9
63.9
l7
33.1
33.1
33.1
33.1
33.1
33.1
33.1
33.1
33.1
33.1
33.1
33.1
33.1
33.1
33.1
33.1
33.1
33.1
44.1
44.1
44.1
44.1
44.1
44.1
a2
62
61
67
70
70
72
75
77
80
80
82
85
87
97
92
102
109
118
129
135
139
145
148
154
da
105
105
105
108
108
113
123
123
133
133
138
138
148
148
148
157
163
178
190
195
198
205
208
218
s
13.2
13.2
13.2
13.2
13.2
13.2
13.2
14.2
14.2
14.2
14.2
14.2
14.2
18.0
18.0
18.0
18.0
18.0
18.0
18.0
22.0
22.0
22.0
22.0
d 3max.
2.008
2.050
2.244
2.421
2.598
2.700
2.874
2.953
3.071
3.425
3.560
3.583
3.800
3.937
4.252
4.646
4.646
4.882
4.882
5.039
5.157
5.315
5.433
5.669
l4
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.102
1.102
1.102
1.102
1.102
1.102
1.102
1.102
l5
3.400
3.400
3.400
3.400
3.400
3.400
3.400
3.400
3.400
3.400
3.400
3.400
3.400
3.400
3.400
4.250
4.250
4.250
4.250
4.250
4.250
4.250
4.250
4.250
l6
2.102
2.102
2.102
2.102
2.102
2.102
2.102
2.102
2.102
2.102
2.102
2.102
2.102
2.102
2.102
2.516
2.516
2.516
2.516
2.516
2.516
2.516
2.516
2.516
l7
1.303
1.303
1.303
1.303
1.303
1.303
1.303
1.303
1.303
1.303
1.303
1.303
1.303
1.303
1.303
1.736
1.736
1.736
1.736
1.736
1.736
1.736
1.736
1.736
a2
2.440
2.402
2.760
2.840
2.950
3.090
3.230
3.350
3.430
3.819
3.940
4.020
4.180
4.303
4.660
5.079
5.079
5.315
5.315
5.472
5.591
5.709
5.827
6.063
da
4.134
4.134
4.330
4.449
4.843
4.842
5.433
5.433
5.827
5.827
6.181
6.181
6.417
6.417
7.008
7.480
7.480
7.677
7.677
7.795
7.795
8.071
8.189
8.583
s
0.520
0.520
0.520
0.520
0.520
0.559
0.559
0.559
0.559
0.709
0.709
0.709
0.709
0.709
0.709
0.709
0.709
0.709
0.709
0.866
0.866
0.866
0.866
0.866
37
Mechanical seals · Mechanical seals for pumps · Standard cartridge seals
Cartex ANSI Single seals
l1
l2
l3
Cartex-ABPN
l4
15
8
1
10
h6
d1
min
d3
5 4
7
d2
max
d3
13
12
6
14 11
2
3
9
Features
• Single seal
• Available for standard (Cartex-ASPN) and big bore
(Cartex-ABPN) seal chambers
• Cartridge
• Balanced
• Independent of direction of rotation
• Single seals with flush (-ASPN, -ABPN) and with quench
combined with lip seal (-ASQN, -ABQN) or throttle ring
(-ASTN, -ABTN)
Operating range (see note on page 1)
Cartex-ASPN, - ABPN, -ASTN, -ABTN, -ASQN, -ABQN
Shaft diameter: d1 = 1.000" … 3.750"
Other sizes on request
Temperature: t = –40 °C … +220 °C
(–40 °F … +428 °F)
(Check O-Ring resistance)
Sliding face material combination Q1Q1 or U2Q1
Pressure: p1 = 12 bar (174 PSI)
Sliding velocity: vg = 10 m/s (33 ft/s)
Axial movement: ±1.0 mm, d1 ≥75 ±1.5 mm
38
CARTEX–ABPN © EagleBurgmann
Description
45°
45°
Seal face
A
O-Ring
Spring
Seat
Shaft sleeve
Drive collar
da
Set screw
Snap ring
Cover
a1
s
Assembly fixture
Screw
Gasket
Screw plug
Machined cover
version
Cartex–
ANSI–Seite 1 © EagleBurgmann
Lip seal (-QN), throttle ring (-TN)
Materials
Seal face: Silicon carbide (Q1), Carbon graphite resin
impregnated (B), Tungsten carbide (U2)
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V), EPDM (E), FFKM (K),
Perflourocarbon rubber/PTFE (U1)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G)
Standards and approvals
• ANSI
Recommended applications
• Process industry
• Petrochemical industry
• Chemical industry
• Pharmaceutical industry
• Power plant technology
• Pulp and paper industry
• Water and waste water technology
• Mining industry
• Food and beverage industry
• Universally applicable
• ANSI process pumps
45°
A
45°
da
a1
Sliding face material combination BQ1
Pressure: p1 = 25 bar (363 PSI)
Sliding velocity: vg = 16 m/s (52 ft/s)
Item
1
2, 5, 7
3
4
6
8
9
10
11
12
13
14
15
16
s
Advantages
• Ideal for use in ANSI process pumps
• Universal applicable for packings conversions, retrofits or
original equipment
• Seal for standardizations
• No dimensional modification of the seal chamber
necessary, small radial installation height
• No damage of the shaft by dynamically loaded O-Ring
• Extended service life
• Installation faults are avoided, cost-effective
• No damage caused by dirt entered during assembly
• Straightforward and easy installation due to
pre-assembled unit (reduced down-times)
Cast cover version
Cartex–ANSI–Seite-2 © EagleBurgmann
Product variants
Cartex-ASTN and -ABTN
Single seal standard (S) and big bore (B) seal chambers.
Same as Cartex-ASPN and -ABPN but with throttle ring
(item 16) at the atmospheric side. The cover has auxiliary
connections for flushing and quench.
Throttle ring: PTFE carbon-graphite reinforced (T12)
Cartex-ASQN and -ABQN
Single seal for operation with unpressurized quench for
standard (S) and big bore (B) seal chambers. Same as
Cartex-ASPN and -ABPN version but with lip seal (item
16) at the atmospheric side. The cover has auxiliary
connections for flushing and quench.
Lip seal: NBR (P), PTFE carbon reinforced (T3)
l 15
l 15
l 17
l 16
l 17
l 16
max
min
16
d3
min
d3
15
d3
max
d3
15
Cartex-ASTN
Cartex-ASQN
Cartex–ASQN © EagleBurgmann
Cartex–ASTN © EagleBurgmann
Big bore - Dimensions in inch
d1
1.000
1.125
1.250
1.375
1.500
1.625
1.750
1.875
2.000
2.125
2.250
2.500
2.625
2.750
3.000
3.250
d2
–
1.713
–
1.960
–
–
2.461
2.583
2.677
2.834
2.960
3.212
3.338
3.660
3.937
–
d 3min.
–
1.752
–
2.000
–
–
2.500
2.661
2.756
2.913
3.093
3.299
3.417
3.740
4.016
–
d 3max.
–
2.795
–
3.189
–
–
4.055
3.937
4.567
4.528
4.409
5.276
5.118
5.236
5.512
–
l1
–
2.638
–
2.638
–
–
2.638
2.638
2.638
2.638
2.638
2.638
2.638
2.638
3.307
–
Standard bore - Dimensions in inch
d1
1.000
1.125
1.250
1.375
1.500
1.625
1.750
1.875
2.000
2.125
2.250
2.375
2.500
2.625
2.750
3.000
3.250
3.750
d2
1.693
1.713
1.969
1.961
2.200
2.340
2.461
2.583
2.677
2.834
2.960
3.070
3.212
3.338
3.660
3.937
4.189
4.689
d 3min.
1.732
1. 752
2.008
2.000
2.244
2.421
2.500
2.661
2.756
2.913
3.039
3.125
3.291
3.417
3.740
4.016
4.268
4.750
d 3max.
2.205
2.205
2.402
2.402
2.717
2.795
2.953
3.070
3.189
3.583
3.583
3.590
3.937
4.016
4.370
4.724
4.921
5.433
l1
2.638
2.638
2.638
2.638
2.638
2.638
2.638
2.638
2.638
2.638
2.638
2.638
2.638
2.638
2.638
3.307
3.307
3.307
16
l2
–
1.669
–
1.669
–
–
1.669
1.669
1.929
1.669
1.945
1.919
1.919
1.945
2.276
–
l3
–
0.969
–
0.969
–
–
0.969
0.969
0.709
0.969
0.693
0.719
0.719
0.693
1.031
–
l4
–
1.000
–
1.000
–
–
1.000
1.000
1.260
1.000
1.276
1.250
1.250
1.276
1.276
–
l15
–
2.937
–
2.947
–
–
3.012
3.071
3.130
3.012
3.130
3.130
3.130
3.130
3.858
–
l16
–
1.909
–
1.919
–
–
1.984
2.059
2.102
1.984
2.120
2.120
2.120
2.120
2.516
–
l17
–
1.028
–
1.028
–
–
1.028
1.012
1.028
1.028
1.028
1.028
1.028
1.028
1.343
–
a1
–
3.311
–
3.543
–
–
4.567
4.409
4.882
5.276
4.685
5.512
5.354
5.512
5.906
–
da
–
4.500
–
5.118
–
–
6.496
5.984
6.260
6.890
6.417
7.795
6.890
7.480
8.228
–
s
–
0.437
–
0.437
–
–
0.559
0.551
0.551
0.709
0.709
0.709
0.709
0.630
0.650
–
l2
1.669
1.669
1.669
1.669
1.669
1.669
1.669
1.669
1.669
1.669
1.669
1.669
1.669
1.669
1.929
2.260
2.260
2.260
l3
0.969
0.969
0.969
0.969
0.969
0.969
0.969
0.969
0.969
0.969
0.969
0.969
0.969
0.969
0.709
1.047
1.047
1.047
l4
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.122
1.250
1.260
1.260
1.260
1.000
l15
2.937
2.937
3.130
2.947
3.130
3.130
3.012
3.071
3.130
3.012
3.130
–
3.130
3.130
3.130
3.858
3.858
–
l16
1.909
1.909
2.102
1.919
2.102
2.102
1.984
2.043
2.102
1.984
2.102
–
2.102
2.102
2.102
2.516
2.516
–
l17
1.028
1.028
1.028
1.028
1.028
1.028
1.028
1.028
1.028
1.028
1.028
–
1.028
1.028
1.028
1.343
1.343
–
a1
2.756
2.440
2.638
2.760
2.950
3.030
3.228
3.190
3.430
3.820
3.858
4.020
4.528
4.528
4.646
5.000
5.315
5.827
da
0.433
0.437
0.433
0.437
0.551
0.551
0.559
0.551
0.630
0.650
0.650
0.709
0.709
0.630
0.709
0.709
0.709
0.866
s
1/4 NPT
1/4 NPT
1/4 NPT
1/4 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
Connection
–
1/4 NPT
–
1/4 NPT
–
–
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
–
Connection
1/4 NPT
1/4 NPT
1/4 NPT
1/4 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
–
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
–
39
Mechanical seals · Mechanical seals for pumps · Standard cartridge seals
Cartex ANSI Dual seals
l5
( l6 )
l7
Cartex-ABDN
l4
21
8
20
h6
d2
min
d3
9 15 14 17
10
5 4 1
7
d1
max
d3
19
18
6
12 13 16
2 11 3
Features
• Dual seal
• Available for standard (Cartex-ASDN) and big bore
(Cartex-ABDN) seal chambers
• Cartridge
• Balanced
• Independent of direction of rotation
• Double pressure balanced
• Integrated pumping device
Sliding face material combination BQ1
Pressure: p1 = 25 bar (363 PSI)
Sliding velocity: vg = 16 m/s (52 ft/s)
Barrier fluid circulation system:
p3max. = 25 bar (363 PSI)
Δp (p3 - p1)ideal = 2 … 3 bar (29 … 44 PSI),
7 bar (102 PSI) for barrier media with poor lubricating
properties
Pump startup:
Δp (p3 – p1)max. = 25 bar (363 PSI) allowed
Recommended supply medium: max. ISO VG 5
Axial movement: ±1.0 mm, ab d1 = 75 mm ±1.5 mm
40
CARTEX–ABDN © EagleBurgmann
Materials
Seal face: Silicon carbide (Q1), Carbon graphite resin
impregnated (B), Tungsten carbide (U2)
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V), EPDM (E), FFKM (K),
Perfluorocarbon rubber/PTFE (U1)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), CrNiMo cast steel (G)
Standards and approvals
• ANSI
Recommended applications
• Process industry
• Petrochemical industry
• Chemical industry
• Pharmaceutical industry
• Power plant technology
• Pulp and paper industry
• Water and waste water technology
• Mining industry
• Food and beverage industry
• Universally applicable
• ANSI process pumps
45°
45°
OUT
IN
22
da
21
IN
OUT
s
Machined cover version
45°
CARTEX–ANSI
45° © EagleBurgmann
IN
OUTDrehdeckel
Version
22
21
da
a2
Sliding face material combination Q1Q1 or U2Q1
Pressure: p1 = 20 bar (290 PSI)
Sliding velocity: vg = 10 m/s (33 ft/s)
Description
Seal face
O-Ring
Spring
Seat
Shaft sleeve
Cover
Seat
Drive collar
Set screw
Snap ring
Assembly fixture
HSH Cap screw
Gasket
Screw plug
s
Operating range (see note on page 1)
Shaft diameter: d1 = 25 … 100 mm (1.000" … 4.000")
Other sizes on request
Temperature: t = –40 °C … +220 °C
(–40 °F … +428 °F)
(Check O-Ring resistance)
Item
1, 9 2, 5, 7, 10, 13, 15
3, 11 4 6 8 12 14 16 17 18 19 20, 22 21 a2
Advantages
• Ideal for use in ANSI process pumps
• Universal applicable for packings conversions, retrofits or
OEM
• Ideal seal for standardizations
• No dimensional modification of the seal chamber
necessary, small radial installation height
• No damage of the shaft by dynamically loaded O-Ring
• Extended service life
• Installation faults are avoided, cost-effective
• No damage caused by dirt entered during assembly
• Straightforward and easy installation due to
pre-assembled unit (reduced down-times)
IN
OUT
Cast cover version
CARTEX– DN © EagleBurgmann
Version: Gussdeckel
Big bore - Dimensions in inch
d1
1.000
1.125
1.250
1.375
1.500
1.625
1.750
1.875
2.000
2.125
2.250
2.500
2.625
2.750
3.000
3.250
d2
–
1.713
–
1.960
–
–
2.461
2.583
2.677
2.834
2.960
3.212
3.338
3.660
3.937
–
d 3min.
–
1.752
–
2.000
–
–
2.500
2.661
2.756
2.913
3.093
3.299
3.417
3.740
4.016
–
d 3max.
–
2.795
–
3.189
–
–
4.055
3.937
4.567
4.528
4.409
5.276
5.118
5.236
5.512
–
l4
–
1.000
–
1.000
–
–
1.000
1.000
1.260
1.000
1.276
1.250
1.250
1.276
1.276
–
Standard bore - Dimensions in inch
d1
1.000
1.125
1.250
1.375
1.500
1.625
1.750
1.875
2.000
2.125
2.250
2.375
2.500
2.625
2.750
3.000
3.250
3.750
d2
1.693
1.713
1.969
1.961
2.200
2.340
2.461
2.583
2.677
2.834
2.960
3.070
3.212
3.338
3.660
3.937
4.189
4.689
d 3 min.
1.732
1. 752
2.008
2.000
2.244
2.421
2.500
2.661
2.756
2.913
3.039
3.125
3.291
3.417
3.740
4.016
4.268
4.750
d 3 max.
2.205
2.205
2.402
2.402
2.717
2.795
2.953
3.070
3.189
3.583
3.583
3.590
3.937
4.016
4.370
4.724
4.921
5.433
l4
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.122
1.250
1.260
1.260
1.260
1.000
l5
–
3.228
–
3.406
–
–
3.406
3.406
3.406
3.406
3.406
3.406
3.406
3.406
3.406
–
l6
–
1.886
–
2.083
–
–
2.083
2.083
2.102
2.102
2.102
2.102
2.102
2.102
2.516
–
l7
–
1.343
–
1.323
–
–
1.323
1.323
1.303
1.303
1.303
1.303
1.303
1.303
1.303
–
a2
–
3.311
–
3.543
–
–
4.567
4.409
4.882
5.276
4.685
5.512
5.354
5.512
5.906
–
da
–
4.500
–
5.118
–
–
6.496
5.984
6.260
6.890
6.417
7.795
6.890
7.480
8.228
–
s
–
0.437
–
0.437
–
–
0.559
0.551
0.551
0.709
0.709
0.709
0.709
0.630
0.650
–
Connection
–
1/4 NPT
–
1/4 NPT
–
–
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
–
l5
3.406
3.228
3.406
3.406
3.406
3.406
3.406
3.406
3.406
3.406
3.406
–
3.406
3.406
3.406
4.252
4.252
–
l6
2.102
3.228
2.102
2.083
2.102
2.102
2.102
2.102
2.102
2.102
2.102
–
2.102
2.102
2.102
2.516
2.516
–
l7
1.303
1.343
1.303
1.303
1.303
1.303
1.303
1.303
1.303
1.303
1.303
–
1.303
1.303
1.303
1.736
1.736
–
a2
2.441
2.441
2.756
2.756
2.953
3.091
3.228
3.307
3.425
3.819
3.858
–
4.528
4.528
4.646
5.000
5.315
–
da
3.937
4.134
4.252
4.213
4.488
4.921
5.118
5.118
5.472
5.512
5.866
6.181
6.693
6.378
7.441
7.835
7.830
8.189
s
0.433
0.437
0.433
0.437
0.551
0.551
0.559
0.551
0.630
0.650
0.650
0.709
0.709
0.630
0.709
0.709
0.709
0.866
Connection
1/4 NPT
1/4 NPT
1/4 NPT
1/4 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
41
Mechanical seals · Mechanical seals for pumps · Standard cartridge seals
MA290 / MA390
l1
23
12
9
10
h7
d
max.
min.
d1
d1
d2
d3
2
1
5
4
7
3
Standards and approvals
• EN 12756
• ISO 3096
Recommended applications
• Petrochemical industry
• Chemical industry
• Pharmaceutical industry
• Power plant technology
• Pulp and paper industry
• Water and waste water technology
• Mining industry
• Building services industry
• Food and beverage industry
• Universally applicable
• Centrifugal pumps
• Eccentric screw pumps
• Process pumps
42
Product variant
MA390 (MA391)
Axially downsized type of MA290 (MA291).
MA290 – MA291 © EagleBurgmann
45°
l2
Description
Seal face
O-Ring
Spring
Seat
Drive collar
Set screw
Seal cover
Gasket
Assembly fixture
HSH Cap screw
l3
Item
1
2, 5, 7
3
4
6
8
9
10
11
12
F
D ,Q
D, Q
D Q
Seal cover MA290 (MA291)
MA290–MA291 © EagleBurgmann
Spülung
45°
6l
Materials
Seal face (MA290, MA390): High density carbon graphite
Seal face (MA291, MA391): Silicon carbide (Q1)
Seat (MA290/291, MA390/391): Silicon carbide (Q1)
Metal parts: 1.4401 (G)
Secondary seals: FKM (V)
12
l7
MA291 / MA391:
Pressure: p = … 10 bar (145 PSI)
Temperature: t = –20 °C … +160 °C (–4 °F … +320 °F)
(oil), 0 °C … +60 °C (+32 °F … +140 °F) (water)
Sliding velocity: vg = max. 20 m/s (66 ft/s)
Viscosity: 3 Pa·s
Solids content: 10 %
6
11
12
Features
• Cartridge
• Balanced
• Independent of direction of rotation
• Stationary multiple springs
• Springs and pin located on the atmospheric side
Operating range (see note on page 1)
MA290 / MA390:
Pressure: p = … 16 bar
Temperature: t = –20 °C … +160 °C (–4 °F … +320 °F)
(oil), 0 °C … +60 °C (+32 °F … +140 °F) (water)
Sliding velocity: vg = max. 20 m/s (66 ft/s)
Viscosity: 0.5 Pa·s
Solids content: 0.3 %
8
F
D, Q
D, Q
Quench
oder Verschlussschraube
D Q
Quench AUS
oder Drainage
Seal cover MA390 (MA391)
MA390 – MA391 © EagleBurgmann
Quench
oder Verschlussschraube
Dimensions in mm
d
20
24
25
28
30
32
33
35
38
40
43
45
48
50
53
55
58
60
63
65
70
75
80
85
90
95
100
d1min.
30
34
35
38
40
42
43
45
48
50
53
55
58
60
63
65
68
70
73
75
80
85
90
95
100
105
110
d1max.
51
51
51
54
56
56
66
66
66
66
71
71
81
81
81
81
96
96
96
96
102
114
114
124
124
134
134
d2
58
58
58
63
63
63
73
73
73
73
78
78
88
88
88
88
103
103
103
103
109
121
121
131
131
141
141
d3
104
104
104
108
108
108
118
118
118
118
128
128
138
138
138
138
164
164
164
164
178
193
193
208
208
218
218
l1
42
42
42
42
42
42
42
42
42
42
42
42
44
44
44
44
46
46
46
46
46
49
49
49
49
49
49
l2
60
60
60
65
65
65
75
75
75
75
80
80
90
90
90
90
105
105
105
105
111
123
123
133
133
143
143
l3
12
12
12
12
12
12
14
14
14
14
14
14
14
14
14
14
18
18
18
18
18
18
18
20
20
20
20
43
Mechanical seals · Mechanical seals for pumps · Standard cartridge seals
Unitex
l1
l2
l3
20°
15
5 1.2
2
9
1.1
3
4
11
12
h6
6
1.3
1.4
8
dN
d2
d3
d9
7
10
13
Standards and approvals
• Material approvals: e. g. FDA, KTW, WRAS, W270, NSF,
ACS
Recommended applications
• Chemical industry
• Pulp and paper industry
• Water and waste water technology
• Cold and hot water
• Cooling fluids
• Beverages
• Diluted lyes and acids
• Suspensions with low solids content
• Circulating pumps
• Water and waste water pumps
• Production of pressure oils for bio diesel fuels
44
Seat alternative
l5
l6
l 28
l 10
G6 (EN 12756)
d 7 H8
Materials
Seal face: Carbon graphite resin impregnated (B),
Silicon carbide (Q1)
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V), EPDM (E)
Metal parts: CrNiMo steel (G), CrNiMo cast steel (G)
G6 (M32N4) © EagleBurgmann
Unitex © EagleBurgmann
t
a
Item Description
1.1
Seal face
1.2
Bellows
1.3
Drive collar
1.4
“L”-ring (Spring collar)
2
Spring
3
Seat (G60)
4
O-Ring or corner sleeve
5
Spacer ring
6
Shaft sleeve
7
O-Ring
8
Cover
9
Gasket
10
Drive collar
11
Set screw
12
Snap ring
13
Assembly fixture
14
HSH Cap screw
15
Screw plug
d 6 H11
Operating range (see note on page 1)
Shaft diameter: dN = 25 … 75 mm (1" … 2.625")
Pressure: p1 = 12 bar (174 PSI)
Temperature: t = –20 °C … +140 °C (–4 °F … +284 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Axial movement: ±0.5 mm
l4
s
Advantages
• Straightforward and easy installation
• Fits into any installation space due to smallest outer
diameter
• Important material certifications available
• Universal application opportunities (standardization)
• No modifications of the pump's installation chamber
necessary
• Economical cartridge solution
• Comes with flush connection acc. to API 682, Plan 11 for
seal chamber cleaning and cooling
14
20°
Features
• Single cartridge seal
• Elastomer bellows
• Unbalanced
• Independent of direction of rotation
• Stationary seat, rotating spring
• Bellows and spring free from torsion
• Metric and inch sizes available
da
45°
Seal cover
45°
Unitex © EagleBurgmann
Dimensions in mm
dN
25
28
30
33
35
38
40
43
45
48
50
53
55
60
65
70
75
d2
38.4
42.4
42.4
45.0
49.1
51.3
54.3
56.3
59.8
61.8
64.8
66.8
71.0
76.5
83.0
88.0
93.4
d 3min.
41.5
44.5
45.5
48.0
50.8
54.5
57.5
59.5
63.0
65.0
68.0
70.0
73.0
79.0
85.7
94.0
98.4
Dimensions in inch
dN
1.000
1.125
1.250
1.375
1.500
1.750
1.875
2.000
2.125
2.250
2.375
2.500
2.625
d2
1.512
1.669
1.772
1.933
2.020
2.354
2.433
2.551
2.795
2.874
3.012
3.209
3.268
d 3min.
1.634
1.750
1.890
2.000
2.146
2.480
2.559
2.677
2.875
2.992
3.110
3.287
3.374
d 3max.
51.0
52.0
56.0
57.0
61.5
66.0
68.0
70.5
73.0
75.0
78.0
87.0
83.0
91.0
98.5
108.0
118.0
d9
60
60
63
65
68
73
75
78
79
82
85
95
90
100
108
116
125
da
105
105
105
110
107
123
123
133
130
130
148
148
148
157
162
178
190
a
62
62
67
67
70
75
77
80
82
84
87
97
92
102
110
118
127
s
13.2
13.2
13.2
13.2
13.2
14.7
14.7
14.7
14.2
14.2
14.7
17.5
17.5
17.5
17.5
17.5
17.5
l1
65.5
68.0
68.0
69.5
72.5
72.5
75.5
76.5
76.5
78.0
80.5
81.5
83.5
85.5
88.0
92.0
93.5
l2
41.0
41.5
41.5
42.0
44.0
44.0
44.5
44.5
44.5
45.0
47.0
47.0
47.0
47.0
48.5
48.5
49.0
l3
24.5
26.5
26.5
27.5
28.5
28.5
31.0
32.0
32.0
33.0
33.5
34.5
36.5
38.5
39.5
43.5
44.5
l4
23
23
23
23
26
26
26
26
26
26
28
28
28
28
28
28
28
t
1/4 NPT
1/4 NPT
1/4 NPT
1/4 NPT
1/4 NPT
1/4 NPT
1/4 NPT
1/4 NPT
1/4 NPT
1/4 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
d 3max.
2.000
2.050
2.250
2.420
2.625
2.812
2.940
3.190
3.437
3.560
3.590
3.800
3.937
d9
2.362
2.362
2.559
2.677
2.874
3.110
3.228
3.346
3.740
3.780
3.937
4.173
4.252
da
4.134
4.134
4.331
4.213
4.843
5.118
5.118
5.827
5.512
6.181
6.181
6.693
6.378
a
2.440
2.441
2.638
2.756
2.950
3.230
3.307
3.430
3.820
3.858
4.020
4.252
4.331
s
0.520
0.520
0.520
0.520
0.579
0.559
0.559
0.579
0.689
0.689
0.689
0.689
0.689
l1
2.579
2.677
2.736
2.854
2.854
3.012
3.071
3.169
3.287
3.287
3.366
3.465
3.465
l2
1.614
1.634
1.654
1.732
1.732
1.752
1.772
1.850
1.850
1.850
1.850
1.909
1.909
l3
0.965
1.043
1.083
1.122
1.122
1.260
1.299
1.319
1.437
1.437
1.516
1.555
1.555
l4
0.906
0.906
0.906
1.024
1.024
1.024
1.024
1.102
1.102
1.102
1.102
1.102
1.102
t
1/4 NPT
1/4 NPT
1/4 NPT
1/4 NPT
1/4 NPT
1/4 NPT
1/4 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
45
Mechanical seals · Mechanical seals for pumps · Standard cartridge seals
Mtex Single seals
l1
l2
7
4
15
6
16
Mtex-QN
8
11
12
d1
d3
d2
3
l3
2
1
9
5
10
13
14
Operating range (see note on page 1)
Shaft diameter: d1 = 25 … 80 mm (1" … 3.15")
Temperature: t* = –40 °C … +220 °C (–40 °F … +428 °F)
Pressure: p = 25 bar (363 PSI)
Sliding velocity: vg = 20 m/s (66 ft/s)
* Operating limits of O-Rings to be observed
Materials
Seal face: Carbon graphite antimony impregnated (A),
Silicon carbide (Q1)
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V), EPDM (E), FFKM (K)
Bellows: Inconel® 718 (M6)
Metal parts: CrNiMo steel (G), Duplex (G1)
Throttle ring: PTFE carbon graphite reinforced (T12)
Lip seal: NBR (P), PTFE carbon reinforced (T3)
46
Description
Bellows unit
O-Ring
Set screw
Seat
Shaft sleeve
Cover
Lip seal or throttle ring
Drive collar
Snap ring
Assembly fixture
HSH Cap screw
Gasket
Screw plug
Recommended applications
• Process industry
• Chemical industry
• Hot media
• Cold media
• Highly viscous media
• Pumps
• Special rotating equipment
Mtex © EagleBurgmann
45°
45°
A
B
B
Seal cover
s
Item
1
2, 5, 7
3, 11
4
6
8
9
10
12
13
14
15
16
a1
Advantages
• Ideal seal for standardizations
• Universal applicable for packings conversions, retrofits or
OEM
• Suitable for high temperature
• No dimensional modification of the seal chamber
necessary, small radial installation height
• Trouble-free running due to bellows unit with vibration
dampers (essential in case of dry-running)
• No dynamically loaded O-Ring
• Self cleaning effect of the bellows
• Installation faults are avoided, cost-effective
• No damage caused by dirt entered during assembly
• Straightforward and easy installation due to
preassembled unit (reduced down-times)
• Individual adaptation to pump design possible
l4
da
Features
• Single seal
• Cartridge
• Balanced
• Independent of direction of rotation
• Metal bellows
• Single seal with quench and lip seal (-QN) or
throttle ring (-TN)
• Version available with multipoint injection ring
(-QNM, -TNM)
• Supply connections for flush (A) and quench (B)
Mtex © EagleBurgmann
Product variants
Mtex-QNM
Single seal, as Mtex-QN
with additional multipoint injection ring (item B).
Mtex-TNM
Single seal, as Mtex-TN
with additional multipoint injection ring (item B).
B
Dimensions in mm
d1
25
30
32
33
35
38
40
43
45
48
50
53
55
60
65
70
75
80
d2
45.0
49.4
52.3
52.3
54.8
57.5
58.8
61.9
65.0
68.4
70.0
71.9
74.6
83.9
87.5
93.0
96.8
104.7
d 3min.
47.0
52.0
54.5
54.5
58.0
60.0
62.0
64.5
68.5
71.0
73.0
75.0
77.0
87.0
90.0
98.0
101.6
108.0
B
Mtex – TNM © EagleBurgmann
Mtex – QNM © EagleBurgmann
d 3max.
51.0
56.0
57.0
57.0
61.5
66.0
68.0
70.5
73.0
75.0
78.0
87.0
83.0
91.0
98.5
108.0
118.0
124.0
l1
79.5
78.4
78.4
78.4
78.4
78.4
78.2
78.4
78.4
78.7
79.1
77.8
78.9
80.1
80.0
81.5
94.4
94.4
l2
26.1
25.0
25.0
25.0
25.0
25.0
24.8
25.0
25.0
25.3
25.7
24.4
25.5
26.7
26.6
28.1
30.5
30.4
l3
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
63.9
64.0
l4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
28.0
28.0
da
105.0
105.0
108.0
108.0
113.0
123.0
123.0
133.0
138.0
138.0
148.0
148.0
148.0
157.0
163.0
178.0
190.0
195.0
a1
62.0
67.0
70.0
70.0
72.0
75.0
77.0
80.0
82.0
85.0
87.0
97.0
92.0
102.0
109.3
118.3
129.0
135.0
s
13.2
13.2
13.2
13.2
13.2
13.2
14.2
14.2
14.2
14.2
14.2
18.0
18.0
18.0
18.0
18.0
18.0
18.0
47
Mechanical seals · Mechanical seals for pumps · Standard cartridge seals
Mtex Dual seals
l5
l7
l6
d2
2
Operating range (see note on page 1)
Shaft diameter: d1 = 25 … 80 mm (1" … 3.15")
Temperature: t* = –40 °C … +220 °C (–40 °F … +428 °F)
Pressure: p1 = 25 bar (232 PSI)
Sliding velocity: vg = 20 m/s (66 ft/s)
API Plan 52 (53/54)
Pump startup:
Δp (p3 – p1)max. 16 bar (232 PSI) allowed
* Operating limits of O-Rings to be observed
48
9 15
16 17
1
5
11 8 12 13 14
18
19
l4
Item
1
2, 5, 7, 10, 13, 15
3, 16
4, 12
6
8
9
11
14
17
18
19
20, 22
23
Description
Bellows unit
O-Ring
Set screw
Seat
Shaft sleeve
Housing
Seal face
Spring
Drive collar
Snap ring
Assembly fixture
HSH Cap screw
Gasket
Screw plug
Product variant
Mtex – DN © EagleBurgmann
Recommended seal supply
EagleBurgmann TS2000 Thermosiphon system
Recommended applications
• Process industry
• Chemical industry
• Hot media
• Cold media
• Highly viscous media
• Pumps
• Special rotating equipment
Materials
Seal face: Carbon graphite (A), Silicon carbide (Q1)
Seat: Silicon carbide (Q1), Tungsten carbide (U2)
Secondary seals: FPM (V), EPDM (E), FFKM (K)
Bellows: Inconel® 718 (M6)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), Duplex (G1)
Mtex9-DN
Dimensions, items and descriptions as for Mtex-DN,
but with optimized seal face geometry for pressurized
operation according to API Plan 53/54. A barrier fluid
system (e. g. EagleBurgmann TS2000) is necessary.
Pressure: p1 = 10 bar (145 PSI)
Sliding velocity: vg = 20 m/s (66 ft/s)
Barrier fluid circulation system:
p3max. = 16 bar (232 PSI)
Δp (p3 – p1)ideal = 2 … 3 bar (29 … 44 PSI)
Δp (p3 – p1)max. = 16 bar (232 PSI)
API Plan 53/54
Pump startup:
Δp (p3 – p1)max. = 16 bar (232 PSI) allowed
45°
45°
OUT
IN
22
da
23
IN
OUT
a2
Barrier fluid circulation system:
p3max. = 16 bar (232 PSI)
Δp (p3 – p1)ideal = 2 … 3 bar (29 … 44 PSI)
Δp (p3 – p1)max. 10 bar (145 PSI) at <120 °C (<248 °F)
5 bar (73 PSI) at ≤220 °C (≤232 PSI)
10
Seal cover
s
Features
• Double seal
• Mtex-DN: API Plan 52 (53/54)
• Mtex9-DN: API Plan 53/54
• Cartridge
• Balanced
• Independent of direction of rotation
• Metal bellows
• Stationary O-Ring
• Pumping device independent of direction of rotation
•
Advantages
• Ideal seal for standardizations
• Universal applicable for packings conversions, retrofits or
OEM
• Suitable for high temperature
• No dimensional modification of the seal chamber
necessary, small radial installation height
• Trouble-free running due to bellows unit with vibration
dampers (essential in case of dry-running)
• No damage of the shaft by dynamically loaded O-Ring
• Self cleaning effect of the bellows
• Installation faults are avoided, cost-effective
• No damage caused by dirt entered during assembly
• Straightforward and easy installation due to
• preassembled unit (reduced down-times)
• Individual adaptation to pump design possible
20 4
6
7
d1
d3
3
Dimensions in mm
d1
25
30
32
33
35
38
40
43
45
48
50
53
55
60
65
70
75
80
d2
45.0
49.4
52.3
52.3
54.8
57.5
58.8
61.9
65.0
68.4
70.0
71.9
74.6
83.9
87.5
93.0
96.8
104.7
d 3min.
47.0
52.0
54.5
54.5
58.0
60.0
62.0
64.5
68.5
71.0
73.0
75.0
77.0
87.0
90.0
98.0
101.6
108.0
d 3max.
51.0
56.0
57.0
57.0
61.5
66.0
68.0
70.5
73.0
75.0
78.0
87.0
83.0
91.0
98.5
108.0
118.0
124.0
l4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
28.0
28.0
l5
87.0
86.5
86.5
86.5
86.5
86.5
86.3
86.5
86.5
86.8
87.2
87.4
87.0
88.2
88.1
89.6
107.4
106.8
l6
33.6
33.1
33.1
33.1
33.1
33.1
32.9
33.1
33.1
33.4
33.8
34.0
33.6
34.8
34.7
36.2
43.5
42.9
l7
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
53.4
63.9
63.9
da
105.0
105.0
108.0
108.0
113.0
123.0
123.0
133.0
138.0
138.0
148.0
148.0
148.0
157.0
163.0
178.0
190.0
195.0
a2
62.0
67.0
70.0
70.0
72.0
75.0
77.0
80.0
82.0
85.0
87.0
97.0
92.0
102.0
109.3
118.3
129.0
135.0
s
13.2
13.2
13.2
13.2
13.2
14.0
14.2
14.2
14.2
14.2
14.2
18.0
18.0
18.0
18.0
18.0
18.0
18.0
49
Mechanical seals · Mechanical seals for pumps · Standard cartridge seals
APItex-S
l2
l1
Q
F
Advantages
• Insensitive to shaft deflections and process
• fluctuations
• Good heat dissipation
• Pre-assembled unit, ready to install
• Low space requirements
• Springs protected from the product
Operating range (see note on page 1)
Shaft diameter: d1 = 20 … 110 mm (0.79" … 4.33")
Pressure: p1 = 22 bar (319 PSI)
Temperature: t = –40 °C … +176 °C
(–40 °F … +349 °F)
(>176 °C (349 °F) please inquire)
Sliding velocity: vg = 23 m/s (75 ft/s)
Materials
Seal ring: Blister resistant carbon,
Silicon carbide SSiC (Q12)
Mating ring: Silicon carbide SSiC (Q1)
Secondary seals:
EPDM (E), NBR (P), FKM (V), FFKM (K)
Springs: Hastelloy® C-4 (M)* and C-276 (M5)
Metal parts: CrNiMo steel 316 (G) or equivalent,
optional materials on request.
* EagleBurgmann standard
9
d5
d4
3 8
20 24
h6
6
1 4 5
21
d
l
D
Recommended applications
Item
APITEX–SC © EagleBurgmann
• Process industry
1
• Oil and gas industry
2, 5, 7, 16
• Refining technology
3
• Petrochemical industry
4
• Chemical industry
6
• Highly volatile hydrocarbons
8
• Toxic and hazardous media
9
• Media with poor lubrication properties
20
• Low solids content and low abrasive media
21, 24
• Vertical and horizontal ANSI chemical standard pumps
22
23
Standards and approvals
• API 682 / ISO 21049
F
• API 682 4th ed. Cat. 1 - 1CW-FX
Q
D
Dimensions in mm
d1
20
25
30
35
40
45
50
55
60
65
70
75
80
85
85
90
95
100
105
110
d2
50.4
55.4
60.4
65.4
70.4
75.4
80.4
85.4
96
101
106
111
116
123.5
123.5
128.5
133.5
138.5
143.5
152.5
d3
58
63
68
73
78
83
88
93
105
110
115
120
125
136
136
141
146
151
156
161
d4
105
110
115
120
125
135
140
145
160
165
170
175
185
190
190
195
200
205
210
215
d5
127
132
137
142
147
162
167
172
187
192
197
202
218
223
223
228
233
238
243
248
l
70.5
70.5
70.5
70.5
70.5
70.5
72.5
72.5
87
87
87
87
87
86
86
86
86
86
86
86
* Immersion depth of seal sleeve into the stuffing box.
50
2
d1
16
Features
• Single seal
• Cartridge unit
• Category 1, Type A, Arrangement 1
• Balanced
• Independent direction of rotation
• Shrink-fitted seal faces
• Solid mating ring
7
d2
d3
H7
(h)
23
22
l1
66.5
66.5
66.5
66.5
66.5
66.5
68.5
68.5
83
83
83
83
83
71.5
71.5
71.5
71.5
71.5
71.5
71.5
l2
4
4
4
4
4
4
4
4
4
4
4
4
4
14.5*
14.5*
14.5*
14.5*
14.5*
14.5*
14.5*
d
13.5
13.5
13.5
13.5
13.5
17.5
17.5
17.5
17.5
17.5
17.5
17.5
22
22
22
22
22
22
22
22
Qty.
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Description
Seal ring
O-Ring
Spring
Mating ring
Seal sleeve
Gland plate
Flow distributor
Set ring
Set screw
Setting device
Hexagon bolt
Flush
Quench
Drain
Acc. ASME B73.1 (h min.)
19.05
19.05
19.05
19.05
19.05
19.05
19.05
19.05
22.22
22.22
22.22
22.22
22.22
25.4
25.4
25.4
25.4
25.4
25.4
25.4
Mechanical seals · Mechanical seals for pumps · Standard cartridge seals
APItex-T
l1
l2
LBO
19
23
3 16
13
24
d1
18
11 20
21
h6
8 17 15
d5
6
1 4 5 10 14 9 12
d4
2
h6
7
d2
d3
H7
(h)
22
d
d1
Features
• Dual seal
• Cartridge unit
• Category 1, Type A, Arrangement 2 or 3
• Balanced
• Independent of direction of rotation
• Shrink-fitted seal faces
• Solid mating rings
l
Advantages
• Suitable for pressure reversal
• Insensitive to shaft deflections and process fluctuations
• Cover distortion cannot cause mating ring misalignment
• Good heat dissipation
• No external pump necessary
• Pre-assembled unit, ready to install
• Low space requirements
• Security due to proofed design
• Springs protected from the product
Materials
Item
Description
Seal ring: Blister resistant carbon,
1, 9
Seal ring
APITEX–TC © EagleBurgmann
Silicon carbide SSiC (Q12)
2, 5, 7, 10, 13, 15, 16, 17
O-Ring
Mating ring: Silicon carbide SSiC (Q1)
3, 11
Spring
Secondary seals:
4, 12
Mating ring
EPDM (E), NBR (P), FKM (V), FFKM (K)
6
Seal sleeve
Springs: Hastelloy® C-4 (M)* and C-276 (M5)
8, 18
Gland plate
14
Driver
Metal parts: CrNiMo steel 316 (G) or equivalent,
19
HSH Cap screw
optional materials on request.
20
Set ring
* EagleBurgmann standard
21, 24
Set screw
Recommended applications
22
Setting device
23
Hexagon bolt
• Process industry
• Oil and gas industry
LBO Liquid buffer/barrier OUT
• Refining technology
LBI Liquid buffer/barrier IN
• Petrochemical industry
• Chemical industry
Standards and approvals
• Highly volatile hydrocarbons
API 682 / ISO 21049
• Toxic and hazardous media
API 682 4th ed. Cat. 1 - 2CW-CW
• Media with poor lubrication properties
API 682 4th ed. Cat. 1 - 3CW-FB
• Low solids content and low abrasive media
• Vertical and horizontal ANSI chemical standard pumps
Operating range (see note on page 1)
Shaft diameter: d1 = 20 … 110 mm (0.79" … 4.33")
Pressure: p1 = 22 bar (319 PSI)
Temperature: t = –40 °C … +176 °C
(–40 °F … +349 °F)
(>176 °C (349 °F) please inquire)
Sliding velocity: vg = 23 m/s (75 ft/s)
Dimensions in mm
d1
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
d2
50.4
55.4
60.4
65.4
70.4
75.4
80.4
85.4
96
101
106
111
116
123.5
128.5
133.5
138.5
143.5
152.5
d3
58
63
68
73
78
83
88
93
105
110
115
120
125
136
141
146
151
156
161
d4
105
110
115
120
125
135
140
145
160
165
170
175
185
190
195
200
205
210
215
d5
127
132
137
142
147
162
167
172
187
192
197
202
213
223
228
233
238
243
248
l
96.5
96.5
96.5
96.5
96.5
96.5
100
100
127.5
127.5
127.5
127.5
127.5
131.5
131.5
131.5
131.5
131.5
131.5
l1
68.5
68.5
68.5
68.5
68.5
68.5
72
72
88
88
88
88
88
92
92
92
92
92
92
l2
28
28
28
28
28
28
28
28
39.5
39.5
39.5
39.5
39.5
39.5
39.5
39.5
39.5
39.5
39.5
LBI
d
13.5
13.5
13.5
13.5
13.5
17.5
17.5
17.5
17.5
17.5
17.5
17.5
22
22
22
22
22
22
22
Qty.
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Acc. ASME B73.1 (h min.)
19.05
19.05
19.05
19.05
19.05
19.05
19.05
19.05
22.22
22.22
22.22
22.22
22.22
25.4
25.4
25.4
25.4
25.4
25.4
51
Mechanical seals · Mechanical seals for pumps · Elastomer bellows seals
eMG1
l
1.3
Operating range (see note on page 1)
Shaft diameter: d1 = 15 … 110 mm (0.59" … 4.33")
Pressure: p1 = 16 bar (230 PSI),
vacuum … 0.5 bar (7.25 PSI), up to 1 bar (14.5 PSI)
with seat locking
Temperature: t = – 20 °C … +140 °C (– 4 °F … +284 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Axial movement: ±2.0 mm
Materials
Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B),
Silicon carbide (Q1, eSiC-Q7), Tungsten carbide (U3)
Seat: Silicon carbide (Q1, Q2, eSiC-Q7)),
Tungsten carbide (U3), Special cast CrMo steel (S),
Aluminium oxide (V)
Elastomer: NBR (P), EPDM (E), FKM (V), HNBR (X4)
Metal parts: CrNiMo steel (G), Hastelloy® C-4 (M)
Standards and approvals
• Various material approvals
(depending on type and material combinations).
Please inquire!
• FDA
• WRAS
• KTW
• ACS
• W270
52
1.4
Product variants
eMG12
Dimensions, items and designations same as for eMG1,
but with an extended bellows tail to achieve the fitting
length I1k according to EN 12756 in combination with seat
G6 or G60 (da exceeds EN 12756).
eMG13
Dimensions, items and designations same as for eMG1,
but with an extended bellows tail to achieve the fitting
length I1N according to EN 12756 in combination with
seat G6 or G60 (da exceeds EN 12756).
eMG12
l1
l1K
eRMG1..
Identical to eMG1.., but with a special bellows surface on
the shaft side. For use in hot water pumps up to 120 °C
EagleBurgmann
(248 °F) andEMG12
25 bar©(363
PSI) or 140 °C (284 °F) and
16 bar (232 PSI). Only in combination with seat G606
(d1 = 12 … 38 mm (0.47" … 1.50")).
eMG13
db min
Advantages
• Small outer diameter of bellows support (dbmin) enables
direct retaining ring support, or smaller spacer rings
• Optimal alignment characteristic through self-cleaning of
disk/shaft
• Improved centering across entire pressure operating range
• No torsion on bellows
• Shaft protection over entire seal length
• Protection of seal face during installation due to special
bellows design
• Insensitive to shaft deflections due to large axial
movement ability
• Suitable for low-end sterile applications
• Dimension adaptions and additional seats available
2 3
Recommended applications
Item Description
• Process industry
1.1
Seal face
• Chemical industry
1.2
Bellows
EMG1 © EagleBurgmann
• Pulp and paper industry
1.3
Set of springs
• Water and waste water technology
1.4
PEEK-PTFE disk
• Food and beverage industry
2
Seat (G6)
• Sugar industry
3
O-Ring or cup rubber
• Oil applications
Notes
• Water, waste water, slurries (up to 5 % by weight)
• Pulp (up to 4 % otro)
The eMG1 can also be used as a multiple seal in tandem
• Latex
or in a back-to-back arrangement. Installation proposals
• Dairies, beverages
available upon request.
• Sulfide slurries
• Chemicals
Dimension adaptations for specific conditions, e.g. shaft
in inches or special seat dimensions are available upon
• Oils
• Chemical standard pumps
request.
• Helical screw pumps
• Stock pumps
• Circulating pumps
• Submersible pumps
• Water and waste water pumps
db min
Features
• For plain shafts
• Elastomer bellows rotating
• Unbalanced
• Independent of direction of rotation
• Single and dual seal
1.1
d3
1.2
d1 h8
db min
da
d ST min
eMG1
l2
l1N
Seal face: Tungsten carbide (U3)
Seat G606: Carbon graphite resin impregnated (B),
EMG13 ©impregnated
EagleBurgmann(A)
Carbon graphite antimony
Seat alternatives
G6 EN 12756
G6 (M32N4) © EagleBurgmann
G60 EN 12756
Dimensions in mm
d1
15
16
18
20
22
24
25
28
30
32
33
35
38
40
43
45
48
50
55
60
65
70
75
80
85
90
95
100
110
d3
20.8
21.0
23.7
26.7
27.7
31.2
31.2
35.0
37.0
40.2
40.2
43.2
46.2
48.8
51.8
53.8
56.8
58.8
64.2
70.0
75.0
80.0
85.5
90.5
96.0
102.0
107.0
112.0
123.0
d6
–
23
27
29
31
33
34
37
39
42
42
44
49
51
54
56
59
62
67
72
77
83
88
95
100
105
110
115
–
d7
–
27
33
35
37
39
40
43
45
48
48
50
56
58
61
63
66
70
75
80
85
92
97
105
110
115
120
125
–
d8
–
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
–
d11
20.5
22.0
24.0
29.5
29.5
32.0
32.0
36.0
39.2
42.2
44.2
46.2
49.2
52.2
53.3
55.3
59.7
60.8
66.5
71.5
76.5
83.0
90.2
95.2
100.2
105.2
111.6
114.5
–
d12
d14
24.6 17.0
28.0 17.0
30.0 20.0
35.0 21.5
35.0 23.0
38.0 26.5
38.0 26.5
42.0 29.5
45.0 32.5
48.0 32.5
50.0 36.5
52.0 36.5
55.0 39.5
58.0 42.5
62.0 46.0
64.0 46.0
68.4 49.0
69.3 52.0
75.4 58.5
80.4 61.5
85.4 68.0
92.0 71.0
99.0 77.5
104.0 84.0
109.0 87.0
114.0 93.5
120.3 96.5
123.3 103.0
–
–
d16
30.95
30.95
34.15
35.70
37.30
40.50
40.50
47.65
50.80
50.80
54.00
54.00
57.15
60.35
63.50
63.50
66.70
69.85
76.20
79.40
92.10
95.25
101.60
114.30
117.50
123.85
127.00
133.35
–
da
28.5
28.5
32.0
37.0
37.0
42.5
42.5
49.0
49.0
53.5
53.5
57.0
59.0
62.0
65.5
68.0
70.5
74.0
81.0
88.5
93.5
99.5
107.0
112.0
120.0
127.0
132.0
137.0
150.0
db *
18.5
19.5
21.5
24.0
26.0
28.0
29.0
32.0
34.0
36.0
37.0
40.0
43.0
45.0
48.0
50.0
53.0
55.0
60.0
66.0
71.0
76.0
81.0
86.0
92.0
97.0
102.0
107.0
118.0
dST
30
30
33
38
38
44
44
50
50
55
55
59
61
64
67
70
74
77
83
91
96
103
110
116
124
131
136
140
154
l6
l 10
l
17.0
17.0
19.5
21.5
21.5
22.5
23.0
26.5
26.5
27.5
27.5
28.5
30.0
30.0
30.0
30.0
30.5
30.5
35.0
38.0
40.0
40.0
40.0
40.0
41.0
45.0
46.0
47.0
43.0
d 7 H8
l 28
G50
Euro standard
G50 (MG1S20)
© EagleBurgmann
G60–MG1 © EagleBurgmann
l5
d 16 ± 0,05
d7
H8
l 29
d 14
20°
R1
l 17
d 6 H11
l 28
d 7 H8
H8
d7
l 10
d 6 H11
H11
l 28
EN 12756
G9 G9
© EagleBurgmann
l6
l6
l5
d 6 H11
20
°
d8
l8
d6
l9
G4
G4 © EagleBurgmann
l5
5
d 12 H7
d 11 +0,1
l 14
l 12
+ 0,5
20°
R
30°
l5
l7
20°
l 16
l 15
l6
G606 EN 12756 (for eRMG1.. only)
G606 © EagleBurgmann
l1
–
28.4
30.0
30.0
30.0
32.5
32.5
35.0
35.0
35.0
35.0
–
36.0
36.0
36.0
36.0
36.0
–
36.5
41.5
41.5
–
–
–
–
–
–
–
–
lK
–
35.0
37.5
37.5
37.5
40.0
40.0
42.5
42.5
42.5
42.5
–
45.0
45.0
45.0
45.0
45.0
–
47.5
52.5
52.5
–
–
–
–
–
–
–
–
l1N
–
40
–
–
–
–
–
50
–
–
–
–
55
–
–
–
60
–
70
70
–
–
–
–
–
–
–
–
–
l2
–
33.4
–
–
–
–
–
42.5
–
–
–
–
46.0
–
–
–
51.0
–
59.0
54.5
–
–
–
–
–
–
–
–
–
l5
–
1.5
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.5
2.5
2.5
2.5
2.5
2.5
3.0
3.0
3.0
3.0
3.0
–
l6
–
4
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
–
l7
–
8.5
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
–
l8
–
17.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
22.0
22.0
22.0
22.0
22.0
23.0
23.0
23.0
23.0
26.0
26.0
26.2
26.2
26.2
25.2
25.2
–
l9
–
10.0
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
14.0
14.0
14.0
14.0
14.0
15.0
15.0
15.0
15.0
18.0
18.0
18.2
18.2
18.2
17.2
17.2
–
l10
–
7.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
10.0
10.0
10.0
10.0
10.0
10.5
12.0
12.0
12.0
12.5
12.5
13.0
15.0
15.0
15.0
15.0
–
l12
7.5
8.5
9.0
8.5
8.5
8.5
8.5
10.0
11.5
11.5
12.0
12.0
11.3
11.8
13.2
12.8
12.8
12.8
14.5
14.5
14.2
14.2
15.2
16.2
16.0
16.0
17.0
17.0
–
l14 l15 l16 l17 l28 l29
6.6 1.2 3.8 9.0
– 10.5
7.5 1.5 5.0 9.0 6.6 10.5
8.0 1.5 5.0 9.0 7.5 10.5
7.5 1.5 5.0 9.0 7.5 10.5
7.5 1.5 5.0 9.0 7.5 10.5
7.5 1.5 5.0 9.0 7.5 10.5
7.5 1.5 5.0 9.0 7.5 10.5
9.0 1.5 5.0 10.5 7.5 12.0
10.5 1.5 5.0 10.5 7.5 12.0
10.5 1.5 5.0 10.5 7.5 12.0
11.0 1.5 5.0 10.5 7.5 12.0
11.0 1.5 5.0 10.5 7.5 12.0
10.3 1.5 5.0 10.5 9.0 12.0
10.8 1.5 5.0 10.5 9.0 12.0
12.0 2.0 6.0 10.5 9.0 12.0
11.6 2.0 6.0 10.5 9.0 12.0
11.6 2.0 6.0 10.5 9.0 12.0
11.6 2.0 6.0 12.0 9.5 13.5
13.3 2.0 6.0 12.0 11.0 13.5
13.3 2.0 6.0 12.0 11.0 13.5
13.0 2.0 6.0 14.5 11.0 16.0
13.0 2.0 6.0 14.5 11.3 16.0
14.0 2.0 6.0 14.5 11.3 16.0
15.0 2.0 6.0 18.5 12.0 20.0
14.8 2.0 6.0 18.5 14.0 20.0
14.8 2.0 6.0 18.5 14.0 20.0
15.8 2.0 6.0 18.5 14.0 20.0
15.8 2.0 6.0 18.5 14.0 20.0
–
–
–
–
–
–
R
1.2
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
–
Fitting length/axial movement tolerances: d1 15 … 18 mm ±1.0; d1 20 … 26 mm ±1.5; d1 28 … 110 mm ±2.0 mm
* Minimum diameter of the mating collar
53
Mechanical seals · Mechanical seals for pumps · Elastomer bellows seals
eMG
l
1.3
Features
• For plain shafts
• Elastomer bellows rotating
• Unbalanced
• Independent of direction of rotation
• Single and dual seal
Advantages
• Identical with eMG1 but with approx. 20 %
shorter installation length
• Small outer diameter of bellows support (dbmin) enables
direct retaining ring support, or smaller spacer rings
• Optimal alignment characteristic through self-cleaning of
disk/shaft
• Improved centering across entire pressure operating range
• No torsion on bellows
• Shaft protection over entire seal length
• Protection of seal face during installation due to special
bellows design
• Insensitive to shaft deflections due to large axial
movement ability
• Dimension adaptions and additional seats available
Operating range (see note on page 1)
Shaft diameter: d1 = 15 … 110 mm (0.59" … 4.33")
Pressure: p1 = 16 bar (230 PSI),
vacuum … 0.5 bar (7.25 PSI), up to 1 bar (14.5 PSI)
with seat locking
Temperature: t = – 20 °C … +140 °C (– 4 °F … +284 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Axial movement: ±2.0 mm
Recommended applications
• Process industry
• Chemical industry
• Pulp and paper industry
• Water and waste water technology
• Food and beverage industry
• Sugar industry
• Water, waste water, slurries
• (up to 5 % by weight)
• Pulp (up to 4 % otro)
• Latex
• Dairies, beverages
• Sulfide slurries
• Chemicals
• Oils
• Chemical standard pumps
• Helical screw pumps
• Stock pumps
• Circulating pumps
• Submersible pumps
• Water and waste water pumps
Materials
Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B),
Silicon carbide (Q1, eSiC-Q7), Tungsten carbide (U3)
Seat: Silicon carbide (Q1, Q2, eSiC-Q7)),
Tungsten carbide (U3), Special cast CrMo steel (S),
Aluminium oxide (V)
Elastomer: NBR (P), EPDM (E), FKM (V), HNBR (X4)
Metal parts: CrNiMo steel (G), Hastelloy® C-4 (M)
d3
2 3
1.4
Item
1.1
EMG © EagleBurgmann
1.2
1.3
1.4
2
3
Standards and approvals
• Various material approvals
(depending on type and material combinations).
Please inquire!
• FDA
• WRAS
• KTW
• ACS
• W270
54
1.1
d1 h8
1.2
db min
da
d ST min
eMG
Description
Seal face
Bellows
Set of springs
PEEK-PTFE disk
Seat (G6)
O-Ring or cup rubber
Notes
The eMG can also be used as a multiple seal in tandem
or in a back-to-back arrangement. Installation proposals
available upon request.
Dimension adaptations for specific conditions, e.g. shaft
in inches or special seat dimensions are available upon
request.
Seat alternatives
20
°
d 7 H8
d 6 H11
H8
d7
l 10
EN 12756
G9 G9
© EagleBurgmann
l6
l6
l5
l 28
H11
d8
l8
d6
l9
G4
G4 © EagleBurgmann
G6 EN 12756
G6 (M32N4) © EagleBurgmann
l 17
G60 EN 12756
d1
15
16
18
20
22
24
25
28
30
32
33
35
38
40
43
45
48
50
55
60
65
70
75
80
85
90
95
100
110
d3
20.8
21.0
23.7
26.7
27.7
31.2
31.2
35.0
37.0
40.2
40.2
43.2
46.2
48.8
51.8
53.8
56.8
58.8
64.2
70.0
75.0
80.0
85.5
90.5
96.0
102.0
107.0
112.0
123.0
d6
–
23
27
29
31
33
34
37
39
42
42
44
49
51
54
56
59
62
67
72
77
83
88
95
100
105
110
115
–
d7
–
27
33
35
37
39
40
43
45
48
48
50
56
58
61
63
66
70
75
80
85
92
97
105
110
115
120
125
–
d8
–
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
–
d11
20.5
22.0
24.0
29.5
29.5
32.0
32.0
36.0
39.2
42.2
44.2
46.2
49.2
52.2
53.3
55.3
59.7
60.8
66.5
71.5
76.5
83.0
90.2
95.2
100.2
105.2
111.6
114.5
–
d 16 ± 0,05
G50
Euro standard
G50 (MG1S20)
© EagleBurgmann
G60–MG1 © EagleBurgmann
Dimensions in mm
d 14
H8
l 29
d7
l 28
d 6 H11
R1
l5
5
d 12 H7
d 11 +0,1
l 14
l 12
+ 0,5
20°
R
30°
l5
l7
20°
l 16
l 15
l6
d12
d14
24.6 17.0
28.0 17.0
30.0 20.0
35.0 21.5
35.0 23.0
38.0 26.5
38.0 26.5
42.0 29.5
45.0 32.5
48.0 32.5
50.0 36.5
52.0 36.5
55.0 39.5
58.0 42.5
62.0 46.0
64.0 46.0
68.4 49.0
69.3 52.0
75.4 58.5
80.4 61.5
85.4 68.0
92.0 71.0
99.0 77.5
104.0 84.0
109.0 87.0
114.0 93.5
120.3 96.5
123.3 103.0
–
–
d16
30.95
30.95
34.15
35.70
37.30
40.50
40.50
47.65
50.80
50.80
54.00
54.00
57.15
60.35
63.50
63.50
66.70
69.85
76.20
79.40
92.10
95.25
101.60
114.30
117.50
123.85
127.00
133.35
–
da
28.5
28.5
32.0
37.0
37.0
42.5
42.5
49.0
49.0
53.5
53.5
57.0
59.0
62.0
65.5
68.0
70.5
74.0
81.0
88.5
93.5
99.5
107.0
112.0
120.0
127.0
132.0
137.0
150.0
db *
18.5
19.5
21.5
24.0
26.0
28.0
29.0
32.0
34.0
36.0
37.0
40.0
43.0
45.0
48.0
50.0
53.0
55.0
60.0
66.0
71.0
76.0
81.0
86.0
92.0
97.0
102.0
107.0
118.0
dST
30
30
33
38
38
44
44
50
50
55
55
59
61
64
67
70
74
77
83
91
96
103
110
116
124
131
136
140
154
l
l5
l6
15.0
–
–
15.0 1.5 4
17.0 2.0 5
19.0 2.0 5
19.0 2.0 5
19.0 2.0 5
19.0 2.0 5
23.0 2.0 5
23.0 2.0 5
23.5 2.0 5
23.5 2.0 5
24.5 2.0 5
25.0 2.0 6
25.5 2.0 6
25.5 2.0 6
25.5 2.0 6
26.0 2.0 6
26.0 2.5 6
30.0 2.5 6
32.0 2.5 6
34.0 2.5 6
34.0 2.5 7
34.0 2.5 7
34.0 3.0 7
35.0 3.0 7
38.0 3.0 7
39.0 3.0 7
40.0 3.0 7
43.0
–
–
l7
–
8.5
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
–
l8
–
17.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
22.0
22.0
22.0
22.0
22.0
23.0
23.0
23.0
23.0
26.0
26.0
26.2
26.2
26.2
25.2
25.2
–
l9
–
10.0
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
14.0
14.0
14.0
14.0
14.0
15.0
15.0
15.0
15.0
18.0
18.0
18.2
18.2
18.2
17.2
17.2
–
l10
–
7.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
10.0
10.0
10.0
10.0
10.0
10.5
12.0
12.0
12.0
12.5
12.5
13.0
15.0
15.0
15.0
15.0
–
l12
7.5
8.5
9.0
8.5
8.5
8.5
8.5
10.0
11.5
11.5
12.0
12.0
11.3
11.8
13.2
12.8
12.8
12.8
14.5
14.5
14.2
14.2
15.2
16.2
16.0
16.0
17.0
17.0
–
l14
6.6
7.5
8.0
7.5
7.5
7.5
7.5
9.0
10.5
10.5
11.0
11.0
10.3
10.8
12.0
11.6
11.6
11.6
13.3
13.3
13.0
13.0
14.0
15.0
14.8
14.8
15.8
15.8
–
l15 l16 l17 l28 l29
R
1.2 3.8 9.0
– 10.5 1.2
1.5 5.0 9.0 6.6 10.5 1.5
1.5 5.0 9.0 7.5 10.5 1.5
1.5 5.0 9.0 7.5 10.5 1.5
1.5 5.0 9.0 7.5 10.5 1.5
1.5 5.0 9.0 7.5 10.5 1.5
1.5 5.0 9.0 7.5 10.5 1.5
1.5 5.0 10.5 7.5 12.0 1.5
1.5 5.0 10.5 7.5 12.0 1.5
1.5 5.0 10.5 7.5 12.0 1.5
1.5 5.0 10.5 7.5 12.0 1.5
1.5 5.0 10.5 7.5 12.0 1.5
1.5 5.0 10.5 9.0 12.0 1.5
1.5 5.0 10.5 9.0 12.0 1.5
2.0 6.0 10.5 9.0 12.0 2.5
2.0 6.0 10.5 9.0 12.0 2.5
2.0 6.0 10.5 9.0 12.0 2.5
2.0 6.0 12.0 9.5 13.5 2.5
2.0 6.0 12.0 11.0 13.5 2.5
2.0 6.0 12.0 11.0 13.5 2.5
2.0 6.0 14.5 11.0 16.0 2.5
2.0 6.0 14.5 11.3 16.0 2.5
2.0 6.0 14.5 11.3 16.0 2.5
2.0 6.0 18.5 12.0 20.0 2.5
2.0 6.0 18.5 14.0 20.0 2.5
2.0 6.0 18.5 14.0 20.0 2.5
2.0 6.0 18.5 14.0 20.0 2.5
2.0 6.0 18.5 14.0 20.0 2.5
–
–
–
–
–
–
Fitting length/axial movement tolerances: d1 15 … 18 mm ±1.0; d1 20 … 26 mm ±1.5; d1 28 … 110 mm ±2.0 mm
* Minimum diameter of the mating collar
55
Mechanical seals · Mechanical seals for pumps · Elastomer bellows seals
MG1
l
56
3
d1
min
db
2
d3
1.1
h8
1.4
Product variants
MG12
Dimensions, items and designations same as for MG1,
but with an extended bellows tail to achieve the fitting
length I1k according to EN 12756 in combination with
seat G6 or G60 (da exceeds EN 12756).
MG1S20
Dimensions, items and designations same as for MG1,
but with an extended bellows tail to achieve the special
fitting length I1S in combination with seat G50.
Description
Seal face
Bellows
“L”-ring (spring collar)
“L”-ring (spring collar)
Spring
Seat
O-Ring or cup rubber
MG13
Dimensions, items and designations same as for MG1,
but with an extended bellows tail to achieve the fitting
length I1N according to EN 12756 in combination with
seat G6 or G60 (da exceeds EN 12756).
RMG12
Identical to MG12, but with a special bellows surface on
the shaft side. For use in hot water pumps up to 120 °C
(248 °F) and 25 bar (363 ft/s) or 140 °C (284 °F)
and 16 bar (232 PSI). Only in combination with seat
G606 (d1 = 12 … 38 mm) (0.47" … 1.50").
Seal face: Tungsten Carbide (U3)
Seat G606: Carbon graphite resin impregnated (B)
MG12
MG13
l2
l1
l 1N
ds
min
l 1k
min
Recommended applications
• Process industry
• Chemical industry
• Pulp and paper industry
• Water and waste water technology
• Food and beverage industry
• Sugar industry
• Oil applications
• Water, waste water, slurries (up to 5 % by weight)
• Pulp (up to 4 % otro)
• Latex
• Dairies, beverages
• Sulfide slurries
• Chemicals
• Oils
• Chemical standard pumps
• Helical screw pumps
• Stock pumps
• Circulating pumps
• Submersible pumps
• Water and waste water pumps
1.3
ds
Operating range (see note on page 1)
Shaft diameter: d1 = 10 … 100 mm (0.39" … 3.94")
Pressure: p1 = 16 bar (230 PSI),
vacuum … 0,5 bar (7.25 PSI), up to 1 bar (14.5 PSI)
with seat locking
Temperature: t = – 20 °C … +140 °C (– 4 °F … +284 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Axial movement: ±2.0 mm
1.5
Standards and approvals
• Various material approvals e.g. FDA, WRAS, KTW, ACS,
W270, NSF available (depending on type and material
combinations). Please inquire!
• EN 12756 (MG12, MG13)
MG12 © EagleBurgmann
MG1S20
MG13 © EagleBurgmann
l3
min
Advantages
• Shaft protection over entire seal length
• Protection of seal face during installation due to
special bellows design
• Insensitive to shaft deflections due to large axial
movement ability
• Universal application opportunities
• Important material certifications available
• High flexibility due to wide offer on materials
• Suitable for low-end sterile applications
• Special design for hot water pumps (RMG12) available
• Dimension adaptions and additional seats available
1.2
MG1 © EagleBurgmann
Materials
Item Part no. to DIN 24250
Seal face: Carbon graphite antimony impregnated (A),
1.1
472
Carbon graphite resin impregnated (B), Silicon carbide (Q1),
1.2
481
Tungsten carbide (U3)
1.3
484.2
Seat: Silicon carbide (Q1, Q2), Tungsten carbide (U3),
1.4
484.1
Special cast CrMo steel (S), Aluminium oxide (V)
1.5
477
Elastomer: NBR (P), EPDM (E), FKM (V), HNBR (X4)
2
475
Metal parts: CrNiMo steel (G), Hastelloy® C-4 (M)
3
412
l 1S
dm
Features
• For plain shafts
• Single and dual seal
• Elastomer bellows rotating
• Unbalanced
• Independent of direction of rotation
• No torsion on bellows
da
d ST
min
MG1
MG1S20 © EagleBurgmann
Seat alternatives
+ 0,5
20
°
l6
l 28
H8
d7
l 10
G6 EN 12756
d 7 H8
H11
l 10
EN 12756
G9 G9
© EagleBurgmann
l6
l5
l 28
d6
l8
G4
G4 © EagleBurgmann
G606©ENEagleBurgmann
12756
G606
G6 (M32N4) © EagleBurgmann
(for RMG12 only)
l 17
G60 EN 12756
d1
10
12
14
15
16
18
19
20
22
24
25
28
30
32
33
35
38
40
42
43
45
48
50
53
55
58
60
65
68
70
75
80
85
90
95
100
d3
15.7
17.7
19.7
20.8
21.0
23.7
26.7
26.7
27.7
31.2
31.2
35.0
37.0
40.2
40.2
43.2
46.2
48.8
51.8
51.8
53.8
56.8
58.8
62.2
64.2
67.2
70.0
75.0
78.0
80.0
85.5
90.5
96.0
102.0
107.0
112.0
d6
17
19
21
–
23
27
–
29
31
33
34
37
39
42
42
44
49
51
–
54
56
59
62
65
67
70
72
77
81
83
88
95
100
105
110
115
d7
21
23
25
–
27
33
–
35
37
39
40
43
45
48
48
50
56
58
–
61
63
66
70
73
75
78
80
85
90
92
97
105
110
115
120
125
d8
3
3
3
–
3
3
–
3
3
3
3
3
3
3
3
3
4
4
–
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
d11
15.5
17.5
20.5
20.5
22.0
24.0
–
29.5
29.5
32.0
32.0
36.0
39.2
42.2
44.2
46.2
49.2
52.2
53.3
53.3
55.3
59.7
60.8
63.8
66.5
69.5
71.5
76.5
82.7
83.0
90.2
95.2
100.2
105.2
111.6
114.5
d 16 ± 0,05
G50
Euro standard
G50 (MG1S20)
© EagleBurgmann
G60–MG1 © EagleBurgmann
Dimensions in mm
d 14
H8
l 29
d7
l 28
d 6 H11
R1
l5
d8
l6
d 6 H11
20°
l9
d 12 H7
d 11 +0,1
l 14
l 12
l5
20°
5
20°
l7
d 7 H8
l5
R
30°
l 15
l6
d 6 H11
l 16
d12
19.2
21.6
24.6
24.6
28.0
30.0
–
35.0
35.0
38.0
38.0
42.0
45.0
48.0
50.0
52.0
55.0
58.0
62.0
62.0
64.0
68.4
69.3
72.3
75.4
78.4
80.4
85.4
91.5
92.0
99.0
104.0
109.0
114.0
120.3
123.3
d14
11.0
13.5
17.0
17.0
17.0
20.0
20.0
21.5
23.0
26.5
26.5
29.5
32.5
32.5
36.5
36.5
39.5
42.5
46.0
46.0
46.0
49.0
52.0
55.5
58.5
61.5
61.5
68.0
71.0
71.0
77.5
84.0
87.0
93.5
96.5
103.0
d16
24.60
27.80
30.95
30.95
30.95
34.15
34.15
35.70
37.30
40.50
40.50
47.65
50.80
50.80
54.00
54.00
57.15
60.35
63.50
63.50
63.50
66.70
69.85
73.05
76.20
79.40
79.40
92.10
95.25
95.25
101.60
114.30
117.50
123.85
127.00
133.35
da
22.5
25.0
28.5
28.5
28.5
32.0
37.0
37.0
37.0
42.5
42.5
49.0
49.0
53.5
53.5
57.0
59.0
62.0
65.5
65.5
68.0
70.5
74.0
78.5
81.0
85.5
88.5
93.5
96.5
99.5
107.0
112.0
120.0
127.0
132.0
137.0
db *
20.5
22.5
26.5
26.5
26.5
29.0
33.0
33.0
33.0
38.0
38.0
44.0
44.0
46.0
46.0
50.0
53.0
55.0
58.0
58.0
60.0
63.0
65.0
70.0
72.0
75.0
79.0
84.0
88.0
90.0
95.0
100.0
107.0
114.0
119.0
124.0
dm *
18
20
22
22
22
29
33
33
33
38
38
37
37
41
41
44
53
55
53
53
55
58
60
63
65
68
70
77
80
82
87
92
97
104
109
114
ds *
18
20
22
22
22
26
28
28
28
32
32
37
37
41
41
44
47
49
53
53
55
58
60
63
65
68
70
77
80
82
87
92
97
104
109
114
dST
24
26
30
30
30
33
38
38
38
44
44
50
50
55
55
59
61
64
67
67
70
74
77
81
83
88
91
96
100
103
110
116
124
131
136
140
l
14.5
15.0
17.0
17.0
17.0
19.5
21.5
21.5
21.5
22.5
23.0
26.5
26.5
27.5
27.5
28.5
30.0
30.0
30.0
30.0
30.0
30.5
30.5
33.0
35.0
37.0
38.0
40.0
40.0
40.0
40.0
40.0
41.0
45.0
46.0
47.0
l1
25.9
25.9
28.4
28.4
28.4
30.0
30.0
30.0
30.0
32.5
32.5
35.0
35.0
35.0
35.0
35.0
36.0
36.0
36.0
36.0
36.0
36.0
38.0
36.5
36.5
41.5
41.5
41.5
41.2
48.7
48.7
48.0
46.0
51.0
51.0
51.0
l1K
32.5
32.5
35.0
–
35.0
37.5
–
37.5
37.5
40.0
40.0
42.5
42.5
42.5
42.5
42.5
45.0
45.0
–
45.0
45.0
45.0
47.5
47.5
47.5
52.5
52.5
52.5
52.5
60.0
60.0
60.0
60.0
65.0
65.0
65.0
l1N
40
40
40
–
40
45
–
45
45
50
50
50
50
55
55
55
55
55
–
60
60
60
60
70
70
70
70
80
80
80
80
90
90
90
90
90
l1S
34.0
34.0
35.5
35.5
35.5
35.5
35.5
35.5
35.5
35.5
35.5
45.0
45.0
45.0
45.0
45.0
45.0
45.0
53.0
53.0
53.0
53.0
54.5
54.5
54.5
54.5
54.5
65.0
65.0
65.0
68.0
76.0
76.0
79.0
79.0
82.0
l2
33.4
33.4
33.4
33.4
33.4
37.5
37.5
37.5
37.5
42.5
42.5
42.5
42.5
47.5
47.5
47.5
46.0
46.0
51.0
51.0
51.0
51.0
50.5
59.0
59.0
59.0
59.0
69.0
68.7
68.7
68.7
78.0
76.0
76.0
76.0
76.0
l3
25
25
25
25
25
25
25
25
25
25
25
33
33
33
33
33
33
33
41
41
41
41
41
41
41
41
41
49
49
49
52
56
56
59
59
62
l5
1.5
1.5
1.5
–
1.5
2.0
–
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
–
2.0
2.0
2.0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3.0
3.0
3.0
3.0
3.0
l6
4
4
4
–
4
5
–
5
5
5
5
5
5
5
5
5
6
6
–
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
l7 l8
8.5 17.5
8.5 17.5
8.5 17.5
–
–
8.5 17.5
9.0 19.5
–
–
9.0 19.5
9.0 19.5
9.0 19.5
9.0 19.5
9.0 19.5
9.0 19.5
9.0 19.5
9.0 19.5
9.0 19.5
9.0 22.0
9.0 22.0
–
–
9.0 22.0
9.0 22.0
9.0 22.0
9.0 23.0
9.0 23.0
9.0 23.0
9.0 23.0
9.0 23.0
9.0 23.0
9.0 26.0
9.0 26.0
9.0 26.0
9.0 26.2
9.0 26.2
9.0 26.2
9.0 25.2
9.0 25.2
l9
10.0
10.0
10.0
–
10.0
11.5
–
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
14.0
14.0
–
14.0
14.0
14.0
15.0
15.0
15.0
15.0
15.0
15.0
18.0
18.0
18.0
18.2
18.2
18.2
17.2
17.2
l10
7.5
7.5
7.5
–
7.5
8.5
–
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
10.0
10.0
–
10.0
10.0
10.0
10.5
12.0
12.0
12.0
12.0
12.0
12.5
12.5
12.5
13.0
15.0
15.0
15.0
15.0
l12
7.5
6.5
6.5
7.5
8.5
9.0
–
8.5
8.5
8.5
8.5
10.0
11.5
11.5
12.0
12.0
11.3
11.8
13.2
13.2
12.8
12.8
12.8
13.5
14.5
14.5
14.5
14.2
14.9
14.2
15.2
16.2
16.0
16.0
17.0
17.0
l14
6.6
5.6
5.6
6.6
7.5
8.0
–
7.5
7.5
7.5
7.5
9.0
10.5
10.5
11.0
11.0
10.3
10.8
12.0
12.0
11.6
11.6
11.6
12.3
13.3
13.3
13.3
13.0
13.7
13.0
14.0
15.0
14.8
14.8
15.8
15.8
l15
1.2
1.2
1.2
1.2
1.5
1.5
–
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
l16
3.8
3.8
3.8
3.8
5.0
5.0
–
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
l17
7.5
7.5
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
12.0
12.0
12.0
12.0
12.0
14.5
14.5
14.5
14.5
18.5
18.5
18.5
18.5
18.5
l28
6.6
6.6
6.6
–
6.6
7.5
–
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
9.0
9.0
–
9.0
9.0
9.0
9.5
11.0
11.0
11.0
11.0
11.0
11.3
11.3
11.3
12.0
14.0
14.0
14.0
14.0
l29
9.0
9.0
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
12.0
12.0
12.0
12.0
12.0
12.0
12.0
12.0
12.0
12.0
12.0
13.5
13.5
13.5
13.5
13.5
16.0
16.0
16.0
16.0
20.0
20.0
20.0
20.0
20.0
R
1.2
1.2
1.2
1.2
1.5
1.5
–
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
Fitting length/axial movement tolerances: d1 10 … 12 mm ±0.5; d1 14 … 18 mm ±1.0; d1 20 … 26 mm ±1.5; d1 28 … 100 mm ±2.0 mm
* Minimum diameter of the mating collar
57
Mechanical seals · Mechanical seals for pumps · Elastomer bellows seals
MG9
l 1 ±1
l 1N
MG913/d1 – G60 A
l 1S
Standards and approvals
• EN 12756
• Various material approvals e.g. FDA, WRAS, KTW, ACS,
W270, NSF available (depending on type and material
combinations). Please inquire!
58
l 14
MG921/d1 – G55 C
1.2
1.5
1.1
4
3
d1
min
Recommended applications
• Chemical industry
• Pulp and paper industry
• Water and waste water technology
• Cooling fluids
• Media with low solids content
• Pressure oils for bio diesel fuels
• Circulating pumps
• Submersible pumps
• Multi-stage pumps (non-drive side)
• Water and waste water pumps
• Oil applications
1.4
Item Part no. to DIN 24250 Description
Seal face
1.2
481
Bellows
1.3
485
Drive collar
1.4
484.1
“L” ring (spring collar)
1.5
474
Washer
2
477
Spring
3
475
Seat
4
412
Rubber cup
MG9 © EagleBurgmann
1.1
472
Seat alternatives
20
l 51
l5
l6
G55 US standard
G55 © EagleBurgmann
H11
H8
d7
l 28
d6
d 71
±0,002“
30°
G50
Euro standard
G50 (MG1S20) © EagleBurgmann
l 41
d 61
l 29
°
l 61
l 17
d 16 ± 0,05
Materials
Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B), Silicon carbide (Q1)
Seat: Silicon carbide (Q1, Q2), Aluminium oxide (V)
Elastomer: NBR (P), EPDM (E), FKM (V), HNBR (X4)
Metal parts: CrNiMo steel (G)
MG912/d1 – G60 A
±0,03"
1.3
d 14
Operating range (see note on page 1)
Shaft diameter: d1 = 10 … 100 mm (0.375" … 4")
Pressure: p1 = 12 bar (174 PSI),
vacuum … 0,5 bar (7.25 PSI), up to bar (14.5 PSI)
with seat locking
Temperature: t = – 20 °C … +140 °C (– 4 °F … +284 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Axial movement: ±0.5 mm
l 1k
db
da
Advantages
• Fits into any installation space due to smallest outer
seal diameter
• Important material approvals available
• Individual installation length can be achieved
• High flexibility due to extended selection of materials
• Universal application (standardization))
MG920/d1 – G50 AB
±1
2
R1
Features
• For plain shafts
• Single and dual seal
• Elastomer bellows rotating
• Unbalanced
• Independent of direction of rotation
• No torsion on bellows and spring
• Conical or cylindrical spring
• Metric and inch sizes available
• Special seat dimensions available
• US Patent No. 6.220.601
±0,8
–0,002"
MG901/d1 – G55 C
±1
h8
l 15
MG910/d1 – G50 AB
±0,04"
G60 EN 12756
G60–MG1 © EagleBurgmann
MG9 … the alternative
EagleBurgmann*
MG910/d1-G50
Crane*
1A
1A
2
2
1
2
21
502
521
2100-l1k
2100-l1N
MG920/d1-G50
MG901/d1-G55
MG921/d1-G55
MG912/d1-G60
MG913/d1-G60
Sealol*
43 CE long
43 CE long
43 CE short
43 CE short
43 CU long
43 CU short
43 CU short
43 DIN
43 DIN
43 DIN
Dimensions
Inch/mm
mm
Inch/mm
mm
Inch (USA only)
Inch (USA only)
Inch (USA only)
mm
mm
mm
mm
Table
B
A
B
A
C
C
C
A
A
A
A
* Connection dimensions identical
Table A – Dimensions in mm
d1
10
12
14
15
16
18
20
22
24
25
28
30
32
33
35
38
40
43
45
48
50
53
55
58
60
63
65
68
70
75
80
85
90
95
100
d6
17
19
21
–
23
27
29
31
33
34
37
39
42
42
44
49
51
54
56
59
62
65
67
70
72
75
77
81
83
88
95
100
105
110
115
d7
21
23
25
–
27
33
35
37
39
40
43
45
48
48
50
56
58
61
63
66
70
73
75
78
80
83
85
90
92
97
105
110
115
120
125
d14
11.0
13.5
17.0
17.0
17.0
20.0
21.5
23.0
26.5
26.5
29.5
32.5
32.5
36.5
36.5
39.5
42.5
46.0
46.0
49.0
52.0
55.5
58.5
61.5
61.5
65.0
68.0
71.0
71.0
77.5
84.0
87.0
93.5
96.5
103.0
d16
24.60
27.80
30.95
30.95
30.95
34.15
35.70
37.30
40.50
40.50
47.65
50.80
50.80
54.00
54.00
57.15
60.35
63.50
63.50
66.70
69.85
73.05
76.20
79.40
79.40
82.55
92.10
95.25
95.25
101.60
114.30
117.50
123.85
127.00
133.35
da
19.6
21.6
24.0
25.0
26.5
29.0
31.5
33.0
37.0
38.0
41.0
43.0
45.0
46.0
48.0
52.5
55.5
58.5
60.5
64.0
66.0
69.0
71.0
76.0
78.0
82.0
84.0
87.0
89.0
95.0
101.5
107.0
111.5
117.5
122.5
Table B – Dimensions in inch / mm
d1
0.375"
0.500"
0.625"
0.750"
0.875"
1.000"
1.125"
1.250"
1.375"
1.500"
1.625"
1.750"
1.875"
2.000"
2.125"
2.250"
2.375"
2.500"
2.625"
2.750"
2.875"
3.000"
3.125"
3.250"
3.375"
3.500"
3.625"
3.750"
3.875"
4.000"
d1
9.53
12.70
15.88
19.05
22.23
25.40
28.58
31.75
34.93
38.10
41.28
44.45
47.63
50.80
53.98
57.15
60.33
63.50
66.68
69.85
73.03
76.20
79.38
82.55
85.73
88.90
92.08
95.25
98.43
101.60
d14
11.0
13.5
17.0
20.0
23.0
26.5
29.5
32.5
36.5
39.5
42.5
46.0
49.0
52.0
55.5
58.5
61.5
65.0
68.0
71.0
74.5
77.5
80.5
84.0
87.0
90.5
93.5
96.5
100.0
103.0
d16
24.60
27.80
30.95
34.15
37.30
40.50
47.65
50.80
54.00
57.15
60.35
63.50
66.70
69.85
73.05
76.20
79.40
82.55
92.10
95.25
98.45
101.60
111.15
114.30
117.50
120.65
123.85
127.00
130.20
133.35
da
18.8
22.3
26.5
29.5
33.0
38.0
41.5
45.0
48.0
52.5
57.0
60.5
64.0
66.0
71.0
76.5
78.5
82.0
84.0
89.0
92.5
95.5
101.5
104.7
107.0
111.5
114.5
118.0
121.0
125.0
db
13.0
15.0
18.0
19.0
20.0
22.0
24.5
27.0
29.0
30.0
34.0
36.0
38.0
39.0
41.0
44.5
47.5
50.5
52.5
56.0
58.0
61.0
63.0
66.0
68.0
71.5
73.5
76.5
79.0
85.0
91.5
97.0
103.0
108.0
114.0
db
12.5
16.0
20.0
23.0
27.0
30.5
34.5
38.0
41.0
44.5
48.5
51.5
55.0
58.0
61.5
65.0
68.5
72.0
75.0
79.0
82.0
85.5
91.0
94.0
98.0
100.0
104.0
108.0
112.0
116.0
l1
53.0
53.0
54.5
54.5
54.5
54.5
54.5
54.5
54.5
54.5
72.0
72.0
72.0
72.0
72.0
72.0
72.0
83.0
83.0
83.0
84.5
84.5
84.5
84.5
84.5
84.5
86.0
86.0
86.0
89.0
99.0
99.0
103.0
103.0
106.0
l1
53.0
53.0
54.5
54.5
54.5
54.5
72.0
72.0
72.0
72.0
72.0
83.0
83.0
84.5
84.5
84.5
84.5
84.5
86.0
86.0
89.0
89.0
99.0
99.0
99.0
99.0
103.0
103.0
106.0
106.0
l1k
32.5
32.5
35.0
–
35.0
37.5
37.5
37.5
40.0
40.0
42.5
42.5
42.5
42.5
42.5
45.0
45.0
45.0
45.0
45.0
47.5
47.5
47.5
52.5
52.5
52.5
52.5
52.5
60.0
60.0
60.0
60.0
65.0
65.0
65.0
l1S
34.0
34.0
35.5
35.5
35.5
35.5
45.0
45.0
45.0
45.0
45.0
53.0
53.0
54.5
54.5
54.5
54.5
54.5
65.0
65.0
68.0
68.0
76.0
76.0
76.0
76.0
79.0
79.0
82.0
82.0
l1N
40
40
40
–
40
45
45
45
50
50
50
50
55
55
55
55
55
60
60
60
60
70
70
70
70
70
80
80
80
80
90
90
90
90
90
l1S
34.0
34.0
35.5
35.5
35.5
35.5
35.5
35.5
35.5
35.5
45.0
45.0
45.0
45.0
45.0
45.0
45.0
53.0
53.0
53.0
54.5
54.5
54.5
54.5
54.5
54.5
65.0
65.0
65.0
68.0
76.0
76.0
79.0
79.0
82.0
l17
7.5
7.5
9.0
9.0
9.0
9.0
10.5
10.5
10.5
10.5
10.5
10.5
10.5
12.0
12.0
12.0
12.0
12.0
14.5
14.5
14.5
14.5
18.5
18.5
18.5
18.5
18.5
18.5
18.5
18.5
l5
1.5
1.5
1.5
–
1.5
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3.0
3.0
3.0
3.0
3.0
l29
9.0
9.0
10.5
10.5
10.5
10.5
12.0
12.0
12.0
12.0
12.0
12.0
12.0
13.5
13.5
13.5
13.5
13.5
16.0
16.0
16.0
16.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
l6
4
4
4
–
4
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
l17
7.5
7.5
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
12.0
12.0
12.0
12.0
12.0
12.0
14.5
14.5
14.5
14.5
18.5
18.5
18.5
18.5
18.5
l28
6.6
6.6
6.6
–
6.6
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
9.0
9.0
9.0
9.0
9.0
9.5
11.0
11.0
11.0
11.0
11.0
11.0
11.3
11.3
11.3
12.0
14.0
14.0
14.0
14.0
l29
9.0
9.0
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
12.0
12.0
12.0
12.0
12.0
12.0
12.0
12.0
12.0
12.0
13.5
13.5
13.5
13.5
13.5
13.5
16.0
16.0
16.0
16.0
20.0
20.0
20.0
20.0
20.0
Table C – Dimensions in inch
d1
0.375
0.500
0.625
0.750
0.875
1.000
1.125
1.250
1.375
1.500
1.625
1.750
1.875
2.000
2.125
2.250
2.375
2.500
2.625
2.750
2.875
3.000
3.125
3.250
3.375
3.500
3.625
3.750
3.875
4.000
d61
0.625
0.750
0.937
1.062
1.187
1.312
1.437
1.563
1.687
1.813
2.000
2.125
2.250
2.375
2.375
2.437
2.563
2.687
2.812
2.937
3.062
3.187
3.312
3.437
3.562
3.687
3.812
3.937
4.062
4.187
d71
0.875
1.000
1.250
1.375
1.500
1.625
1.750
1.875
2.000
2.125
2.375
2.500
2.625
2.750
3.000
3.125
3.250
3.375
3.375
3.500
3.750
3.875
4.000
4.125
4.250
4.375
4.500
4.625
4.750
4.875
da
0.740
0.878
1.043
1.161
1.299
1.496
1.634
1.772
1.890
2.067
2.244
2.382
2.520
2.598
2.795
2.992
3.071
3.228
3.307
3.504
3.642
3.760
4.000
4.122
4.213
4.390
4.508
4.646
4.764
4.921
db
0.492
0.630
0.787
0.905
1.063
1.200
1.358
1.496
1.614
1.752
1.909
2.028
2.165
2.283
2.421
2.559
2.697
2.834
2.953
3.110
3.228
3.366
3.583
3.700
3.858
3.937
4.095
4.252
4.409
4.567
l14
1.125
1.125
1.281
1.281
1.343
1.437
1.500
1.500
1.562
1.562
1.875
1.875
2.000
2.000
2.249
2.249
2.375
2.375
2.562
2.562
2.687
2.687
2.968
2.968
2.968
2.968
3.093
3.093
3.218
3.218
l15
1.500
1.500
1.718
1.718
1.781
2.000
2.062
2.062
2.124
2.124
2.500
2.500
2.625
2.625
2.937
2.937
3.062
3.062
3.375
3.375
3.500
3.500
3.906
3.906
3.906
3.906
4.031
4.031
4.156
4.156
l41
0.313
0.313
0.406
0.406
0.406
0.437
0.437
0.437
0.437
0.437
0.500
0.500
0.500
0.500
0.562
0.562
0.562
0.562
0.625
0.625
0.625
0.625
0.781
0.781
0.781
0.781
0.781
0.781
0.781
0.781
l51
0.050
0.050
0.050
0.050
0.050
0.050
0.050
0.050
0.050
0.050
0.050
0.050
0.050
0.050
0.050
0.050
0.050
0.050
0.100
0.100
0.100
0.100
0.100
0.100
0.100
0.100
0.100
0.100
0.100
0.100
l61
0.250
0.250
0.344
0.344
0.344
0.375
0.375
0.375
0.375
0.375
0.437
0.437
0.437
0.437
0.500
0.500
0.500
0.500
0.562
0.562
0.562
0.562
0.656
0.656
0.656
0.656
0.656
0.656
0.656
0.656
59
Mechanical seals · Mechanical seals for pumps · Elastomer bellows seals
EA560
l
±0,3
l1
l2
1.2
30°
Operating range (see note on page 1)
Shaft diameter: d1 = 8 … 50 mm (0.375" … 2")
Pressure: p1 = 7 bar (102 PSI),
vacuum … 0.1 bar (1.45 PSI)
Temperature: t = – 20 °C … +100 °C (– 4 °F … +212 °F)
Sliding velocity: vg = 5 m/s (16 ft/s)
Axial movement: ±1.0 mm
Materials
Item Description
Seal face: Carbon graphite resin impregnated (B),
1.1
Seal face
Silicon carbide (Q1, Q2)
1.2
Bellows
Seat: Aluminium oxide (V), Silicon carbide (Q1, Q2)
1.3
Spring collar
Elastomer: NBR (P), FKM (V)
1.4
Drive collar
EA560 © EagleBurgmann
Metal parts: 1.4301 (F)
1.5
Spring
1.6
Spring holder
Recommended applications
2
Seat
• Process industry
3
Corner sleeve
• Chemical industry
• Water and waste water technology
• Glycols
• Oils
• Industrial pumps/equipment
• Submersible pumps
• Engine pumps
• Circulating pumps
Dimensions in mm
Dimensions in inch
d
8
9
10
11
12
13
14
15
16
17
18
19
20
22
25
28
30
32
35
38
40
45
50
60
d1
21
24
24
24
26
26
28
28
32
32
35
35
38
40
44
46
50
54
58
60
64
66
72
d2
13
16
16
16
17
17
21
21
22
22
25
25
27
29
32
34
38
40
44
46
48
52
58
d3
12
13
14
15
16
17
18
19
20
21
22
23
24
26
29
32
35
37
40
43
45
50
55
d4
20,0
21,0
23,5
23,5
26,0
26,0
28,0
28,0
30,0
32,5
32,5
32,5
35,5
37,5
42,0
45,5
48,0
50,0
54,5
58,5
62,5
66,5
72,5
l
18
23
23
23
24
24
25
25
27
27
26
26
28
28
29
30
31
33
36
37
38
40
42
l1
7
7
7
7
7
7
7
7
8
8
8
8
8
8
9
9
9
9
10
10
10
10
10
l2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
d
0.375
0.500
0.625
0.750
0.875
1.000
1.125
1.250
1.375
1.500
1.625
1.750
1.875
2.000
d
9.525
12.700
15.875
19.050
22.225
25.400
28.575
31.750
34.925
38.100
41.275
44.450
47.625
50.800
d1
22.225
25.400
31.750
34.925
38.100
41.275
44.450
47.625
50.800
53.975
60.325
63.500
66.675
69.850
d2
14.3
17.5
20.6
23.8
27.0
30.2
33.3
36.5
39.7
42.9
46.0
49.2
52.4
55.6
d3
12.7
15.9
19.1
22.2
25.4
28.6
31.8
34.9
38.1
41.3
44.5
47.6
50.8
54.0
d4
23.5
26.0
30.0
32.5
37.5
44.0
48.0
50.0
54.5
58.5
64.0
67.0
71.0
73.5
l
28.6
28.6
32.5
32.5
34.1
36.5
38.1
38.1
39.7
39.7
47.6
47.6
50.8
50.8
l1
6.4
6.4
8.7
8.7
8.7
9.5
9.5
9.5
9.5
9.5
11.1
11.1
11.1
11.1
l2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
H7
3
h9
1.4
Features
• Single seal
• Loosely inserted seal face provides self-adjusting capability
• In-house manufactured sliding parts
Advantages
The EA560 is self-adjusting to shaft misalignments and
deflections because of the loosely inserted seal face
as well as the ability of the bellows to stretch and tighten.
The length of the contact area of the bellows with
the shaft is an optimum compromise between ease of
assembly (less friction) and sufficient adhesive force
for torque transmission. Additionally the seal fulfills very
specific leakage requirements. Because the sliding parts
are made in-house, a wide variety of special needs can
be accommodated.
2
d1
1.1
d2
min
d3
1.3
1.5
d
max
d4
1.6
ED560
l
l 1 +0,2
± 0,3
l2
1,5
t
1
d1
25
30
30
30
44
50
57
65
70
70
80
d2
17
20
20
20
23
28
33
38
43
48
53
d3
25
30
30
30
38
44
50
58
64
66
72
d4
–
–
–
–
60
60
70
80
85
90
95
d5
–
–
–
–
72
72
82
94
100
105
109
l
36
36
36
36
49
51
59
61
64.5
65
69.5
l1
5
5
5
5
7
9
9
9
11
10
10
1.4
1.4
30°
Recommended applications
• Process industry
• Chemical industry
• Water and waste water technology
• Glycols
• Oils
• Industrial pumps/equipment
• Submersible pumps
• Engine pumps
• Circulating pumps
Materials
Seal face: Carbon graphite resin impregnated (B),
Silicon carbide (Q1, Q2)
Seat: Aluminium oxide (V), Silicon carbide (Q1, Q2)
Elastomer: NBR (P)
Metal parts: 1.4301 (F)
l2
–
–
–
–
7
7
8
9
9
9
9
1.2
H7
2 3
h9
1.1
30°
l1
Operating range (see note on page 1)
Shaft diameter: d1 = 13 … 50 mm (0.51" … 1.96")
Pressure: p1 = d ≤19 mm: 2 bar (29 PSI),
d ≥20 mm: 3 bar (44 PSI),
vacuum … 0.1 bar (1.45 PSI)
Temperature: t = – 20 °C … +70 °C (– 4 °F … +158 °F)
Sliding velocity: vg = 5 m/s (16 ft/s)
Axial movement: ±1.0 mm
d
13
14
15
16
20
25
30
35
40
45
50
1.2
1
Advantages
The ED560 is a dual seal in a back-to-back arrange­ment
with an EA560 base. Therefore, the seal combines the
advantages of the EA560 with the advantages of a dual
seal.
1.3
d3
1.1
3
Features
• Dual seal
• Good chemical resistance and ability to handle solids
• In-house manufactured sliding parts
Dimensions in mm
1.5
d2
1.3
4
2
d
d1
H7
d = 20 ... 50 mm
1
l1
l
d = 13 ... 16 mm
± 0,3
Item Description
1.1
Seal face
ED560 © EagleBurgmann
1.2
Bellows
1.3
Spring collar
1.4
Drive collar
1.5
Spring
2
Seat
3
Corner sleeve
4
Washer
l3
–
–
–
–
1.0
1.0
1.0
1.2
1.2
1.0
1.2
61
Mechanical seals · Mechanical seals for pumps · Elastomer bellows seals
EA100
l ± 0,3
2
1.4
Advantages
The EA100 is the specialist for low duty applications and
one of our historic and bestselling seals in this sector. The
seal is easy to handle and quick to install. An incorporated
garter spring assures a good grip of the bellows on the
shaft and enhances satisfactory sealing performance. With
the ability of the bellows to stretch and tighten, the EA100
is insensitive to shaft movements.
The seal design is available in 3 types, each with a
different impeller connection: EA102 is with a collar.
EA103 is without a collar. EA104 provides a different coil
spring installation. More information on EA103 and EA104
is available on request.
Operating range (see note on page 1)
Shaft diameter: d1 = 8 … 20 mm (0.32" … 0.78")
Pressure: p1 = 5 bar (73 PSI), vacuum … 0.1 bar (1.45 PSI)
Temperature: t = – 20 °C … +100 °C (– 4 °F … +212 °F)
Sliding velocity: vg = 5 m/s (16 ft/s)
Axial movement: ±2.0 mm
d
8
9
10
11
12
13
14
15
16
17
18
19
20
62
d1
21
24
24
24
26
26
28
28
32
32
35
35
38
d2
13
16
16
16
17
17
21
21
22
22
25
25
27
d3
18.5
22.5
22.5
22.5
24.5
24.5
28.5
28.5
30.5
30.5
33.5
33.5
35.5
l
26
31
31
31
32
32
34
34
26
36
39
39
41
l1
7
7
7
7
7
7
7
7
8
8
8
8
8
l2
2
2
2
2
2
2
3
3
3
3
3
3
3
d1
H7
3
1.2
30°
Features
• Single seal
• In-house manufactured carbon seal faces
• Three different impeller connection available
Dimensions in mm
2
h9
1.1
d2
1.3
d
max
1.6
d3
1.5
l1
l2
l3
l3
8
8
8
8
8
9
9
9
9
9
10
10
10
Materials
Seal face: Carbon graphite resin impregnated (B)
Seat: Aluminium oxide (V)
Elastomer: NBR (P)
Metal parts: 1.4301 (F)
Recommended applications
• Water and waste water technology
• Drinking water
• Hot water circulation pumps
• Industrial pumps/equipment
• Domestic pumps
• Low duty water pumps
• Pumps for water & under floor
• heating systems
• Pumps for solar systems
Item Description
1.1
Seal face
1.2
Bellows
1.3
Garter spring
1.4
Spring
1.5
Set screw
EA102 © EagleBurgmann
1.6
Collar
2
Seat
3
Corner sleeve
Product variants
EA102
As EA100 but with a collar.
EA103
As EA100 but without a collar. Please inquire.
EA104
As EA100 but with different coil spring installations.
Please inquire.
EH700
l
±0,3
1.4
–0,3
+0,1
d5
d3
1.6
d4
2 3 4
g6
1.1
d
1.3
l4
1.7 1.5
d1
d2
H7
l1
1.2
Features
• Single seal
• Stationary spring-loaded unit enables operation in
­high-range loads area
• Balanced
• In-house manufactured carbon seal faces
Advantages
The seal for stationary applications. The EH700 is based
on a unique stationary spring loaded unit that enables
the seal to operate under high speed and high pressure.
An additional advantage of the seal is the balanced
design, which ensures good sealing performance in highload conditions.
Operating range (see note on page 1)
Shaft diameter: d1 = 15 … 35 mm (0.59" … 1.38")
Pressure: p1 = 15 bar (218 PSI),
vacuum … 0.1 bar
Temperature: t = –20 °C … +100 °C (– 4 °F … +212 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Axial movement: ±1.0 mm
Dimensions in mm
d
15
20
25
35
d1
22
30
35
45
d2
41
45
52
66
d3
12
12
22
32
d4
22
27.2
33.6
43.6
d5
34
45
52
66
l
29.5
31
37
41.6
l1
9.5
11
11.5
12.5
l2
0.6
0.6
0.8
0.8
Materials
Item Description
Seal face: Carbon graphite resin impregnated (B)
1.1
Seal face
Seat: Aluminium oxide (V, V1), Silicon carbide (Q1, EH700
Q2) © EagleBurgmann
1.2
Bellows
Secondary seals: NBR (P), FKM (V)
1.3
Spring collar
Metal parts: 1.4301 (F)
1.4
Spring
1.5
Spring holder
Recommended applications
1.6
Cartridge
• Water and waste water technology
1.7
Seat ring
• Food and beverage industry
2
Seat
• Water and waste water
3
Corner sleeve
• Glycols
4
Case
• Industrial pumps
• Engine pumps
• Skyscraper water supply pumps
l3
–
2
2.5
4
l4
–
1
1
1
l5
–
3.4
4.2
5.2
63
Mechanical seals · Mechanical seals for pumps · Elastomer bellows seals
BT-AR
2
3a
4
d7 –0,1
1
d1 ±0,05
5 3
d 6 ±0,1
5b
d3
d 4 min
5a
20
°
64
3 5
4
Certificates
• KTW
• W270
• ACS
• WRAS
• NSF
• DM 174/04
• FDA
1 1a 2a 2
3a
l5
l6
l3
1
1a
2
2a
3
3a
4
5
5a
5b
l4
Seal face housing
Brazed seal face
BT-AR3
EagleBurgmann
Stationary
seat©housing
Brazed stationary seat
Bellows
O-Ring
Spring
Ring
Locking ring
Collar
d7 –0,1
5a 5b
°
Materials
Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B),
Carbon graphite, full carbon (B3), Silicon carbide (Q1, Q6),
Tungsten carbide (U), PTFE glass fiber reinforced (Y)
Seat: Steatite (X), Aluminium oxide (V, V1),
Silicon carbide (Q1, Q6, Q7), Tungsten carbide (U),
Cr steel (E), CrNi steel (F), CrNiMo steel (G)
Elastomers: NBR (P), EPDM (E), FKM (V), HNBR (X4)
Metal parts: CrNi steel 1.4301 (F), CrNiMo steel 1.4401 (G),
CrNi steel 1.4057 (F1)
Recommended applications
• Water and waste water technology
• Pool and spa applications
• Household appliances
• Domestic and garden pumps
• Whirlpool and swimming pool pumps
• Dishwasher pumps
• Submersible motors / pumps
• Water pumps / waste water pumps
Product variants
BT-AR3
Seal faces with brazed tungsten carbide (U) for abrasive
media. Elastomers and diameter range the same as BT-AR.
BT-AR © EagleBurgmann
The BT-AR3 is the right choice of seal for use in high duty
applications or when abrasives (e.g. waste water) could
damage the seal faces.
20
* Dependent on medium, size and material
Description
Seal face
Stationary seat
Bellows
Gasket
Spring
Ring
Locking ring
Collar
d 6 ±0,1
Operating range (see note on page 1)
Shaft diameter: d1 = 6 … 70 mm (0.24" … 2.76")
Pressure: p1* = 6 bar (87 PSI),
vacuum … 0.5 bar (7.45 PSI)
up to 1 bar (14.5 PSI) with seat locking
Temperature: t* = –20 °C … +120 °C (–4 °F … +248 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Item
1
2
3
3a
4
5
5a
5b
l4
d1 ±0,05
Features
• Rubber bellows mechanical seal
• Unbalanced
• Single spring
• Independent of direction of rotation
• Short axial installation length
l3
d 4 min
The BT-AR can also be used as a multiple seal in tandem
or back-to-back arrangement when the product media
cannot ensure lubrication, or when sealing media with
a higher solids content. Installation proposals can be
provided upon request.
l6
d3
Mechanical seal for large-series cold water pumps,
produced in millions of units per year. The BT-AR owes its
success to the wide range of application, the short axial
length (this allows for more economic pump construction
and saves material), and the best quality/price ratio.
The elasticity of the bellows design enables a more robust
operation.
l5
Seat alternatives
Dimensions BT-AR in mm
Type
6
l6
6
d3
18
d4
23
8
8
20
24
23
27
10
10
10
10
24
27
12
11
11
24
27
13
12C
12
24
27
14
12
12
24
27
14
13
13
24
27
15
14S
14
28
30
18
14L
14
15
14
14
15
28
32
32
30
35
35
18
16
17
16R
16
32
35
18
16
17
18
19
20R
20
20S
22
23
24
25R
16
17
18
19
20
20
20
22
23
24
25
39
39
39
39
35
39
42
42
47
47
42
43
43
43
43
39
43
47
47
52
52
52
18
19
20
21
22
22
22
24
25
26
27
25
26
27
28
30
32
35
38
40
45
50
60
70
25
26
27
28
30
32
35
38
40
45
50
60
70
47
47
47
54
54
54
60
65
65
70
85
105
105
52
52
52
60
60
60
70
75
75
80
95
115
115
27
29
30
31
33
35
38
41
43
48
53
63
73
l5
3a
20 °
2
d7
Stationary seat
Gasket
d6
2
3a
8S
8
d1
d6
8
l4
PF C
20
°
l6
BT-PF-C © EagleBurgmann
l5
2 3a
l4
PF A
BT-PF-A © EagleBurgmann
d7
Stationary seat
O-Ring
d6
2
3a
d7
22.0
18.0
22.0
26.0
26.0
26.0
26.0
26.0
26.0
26.0
26.0
26.0
26.0
25.0
26.0
26.0
28.5
29.5
28.5
29.5
29.5
30.0
29.5
30.0
38.0
42.0
42.0
42.0
42.0
35.0
42.0
45.0
45.0
50.0
50.0
50.0
45.0
50.0
50.0
50.0
57.0
57.0
57.0
63.0
68.0
68.0
73.0
88.0
110.0
110.0
I3
d7
25.40
25.40
25.40
31.75
I3
11.0
11.0
12.8
12.8
8.0
8.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
12.8
12.8
12.8
12.8
12.8
12.8
12.8
15.3
12.8
12.8
12.8
12.8
12.8
12.8
12.8
12.8
12.8
12.8
17.8
12.8
12.8
12.8
13.5
13.5
13.5
13.5
13.5
13.5
13.5
15.0
15.0
15.0
16.0
18.0
18.0
20.0
23.0
30.0
32.0
tol
I4
+0.5/0 4.0
+0.5/0 4.8
+0.5/0 4.0
+0.5/0 8.0
+0.5/0 5.5
+0.5/0 8.0
+0.5/0 5.5
+0.5/0 8.0
+0.5/0 5.5
+0.5/0 8.0
+0.5/0 5.5
+0.7/0 8.0
+0.7/0 5.5
+0.7/0 5.0
+0.7/0 8.0
+0.7/0 5.5
+0.7/0 7.5
+0.7/0 8.0
±0.8
7.5
+0.7/0 8.0
+0.7/0 8.0
+0.7/0 6.0
+0.7/0 8.0
+0.7/0 6.0
+0.7/0 8.0
+0.7/0 8.0
+0.7/0 8.0
+0.7/0 8.0
+0.7/0 8.0
±0.7
7.5
+0.7/0 8.0
+0.7/0 10.0
+0.7/0 10.0
+1/0
10.0
+1/0
10.0
+1/0
10.0
+1/0
10.0
+1/0
10.0
+1/0
10.0
+1/0
10.0
+1/0
10.0
+1/0
10.0
+1/0
10.0
+1/0
10.0
+1/0
12.0
+1/0
12.0
+1/0
12.0
+1/0
15.0
+1/0
15.0
+1/0
15.0
I5
0.5
0.5
0.5
1.0
0.5
1.0
0.5
1.0
0.5
1.0
0.5
1.0
0.5
0.5
1.0
0.5
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
2.0
2.0
2.0
2.0
I6
tol
I4
+0.5/0 5.5
+0.5/0 7.5
+0.7/0 7.5
+0.7/0 10.3
I5
0.5
1.0
1.0
1.0
I6
4.5
5.5
5.5
8.0
3.5
3.5
3.5
6.0
4.5
6.0
4.5
6.0
4.5
6.0
4.5
6.0
4.5
4.0
6.0
4.5
5.5
6.0
5.5
6.0
6.0
4.0
6.0
4.0
6.0
6.0
6.0
6.0
6.0
5.5
6.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
9.0
9.0
9.0
12.0
12.0
12.0
Note
*
*
*
*
*
*
*
*
*
*
*
*
*
* Alternative seat dimensions
Dimensions BT-AR in inch/mm
d1
d1
d3
0.375"
9.53 24
d4
27
d6
12
0.500"
0.625"
27
36
15
18
12.70 24
15.88 32
Note
*
* Alternative seat dimensions
65
Mechanical seals · Mechanical seals for pumps · Elastomer bellows seals
BT-A2
l4
l3
3
4
5
5a
l7 min
Operating range (see note on page 1)
Shaft diameter: d1 = 1/2", 5/8", 3/4"
Pressure: p1* = 4 bar (58 PSI)
Temperature: t* = –20 °C … +90 °C (–4 °F … +194 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Materials
Item Description
Seal face: Carbon graphite resin impregnated (B),
1
Seal face
Carbon graphite, full carbon (B3)
2
Seat
BT-A2 © EagleBurgmann
Seat: Aluminium oxide (V1), Silicon carbide (Q1)
3
Bellows
Elastomers: NBR (P), EPDM (E), FKM (V)
3a
Gasket
Metal parts: CrNi steel (F), CrNiMo steel (G)
4
Spring
5
Collar
Recommended applications
5a
L-ring
• Pool and spa applications
• Household appliances
• Domestic and garden pumps
• Clean water pumps
• Swimming pool pumps
• Whirlpool pumps
* Dependent on medium, size and material
Dimensions BT-A2 in inch/mm
Features
• Rubber bellows mechanical seal
• Unbalanced
• Single spring
• Independent of direction of rotation
• Stationary design
66
d1
0.500"
0.625"
0.750"
d1
12.70
15.88
19.05
d3
28.55
36.45
40.00
d4
35.00
41.00
44.00
d7
25.40
31.75
34.95
I3
5.2
6.8
6.5
tol
+0.5
+0.5
+0.5
I4
8.0
10.3
10.3
I6
6.0
8.5
8.0
I7
10
10
11
d4
1
d 3 +0,02
R1
2
R1
Stationary mechanical seal in inch dimensions. Spread
throughout the world, this type of mechanical seal has
reached an unsurpassed quality level. The BT-A2 features
all carbon or high quality resin impregnated carbon,
aluminium oxide 96 %, is stationary and the rubber
bellows are glued on collar. Static air pressure test to
100 % production. Excellent solution for swimming pool
pumps.
3a
d1 ±0,05
d7 –0,1
l6
BT-PN
3 1
2
3a
4
20
Features
• Rubber bellows mechanical seals
• Unbalanced
• Single spring
• Independent of direction of rotation
Operating range (see note on page 1)
Shaft diameter: d1* = 8 … 40 mm (0.31" … 1.57")
Pressure: p1** = 12 bar (174 PSI),
vacuum … 0.5 bar (7.45 PSI)
Temperature: t** = –20 °C … +120 °C (–4 °F … +248 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Operating limits depend on p·vg factor
* Other diameters upon request
** Dependent on medium, size and material
Materials
Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B),
Silicon carbide (Q1, Q6)
Seat: Aluminium oxide (V), Steatite (X),
Silicon carbide (Q1, Q6, Q7)
Elastomers: NBR (P), FKM (V), EPDM (E)
Metal parts: CrNi steel 1.4301 (F), CrNiMo steel 1.4401 (G)
l5
°
The BT-PN is a large series mechanical seal with a simple
yet effective design that is easy to assemble. The special
spring arrangement allows a short axial installation length.
This advantage is combined with an increased working
pressure capability of up to 12 bar (174 PSI). The spring is
free from torque transmission.
d7 –0,1
5b
d 6 ±0,1
5a
d3
5
d1 ±0,05
l1
l6
l4
l3
Certificates
• KTW
• W270
• ACS
• WRAS
• NSF
• FDA
• DM 174/04
Item
1
2
BT-PN © EagleBurgmann3
3a
4
5
5a
5b
Recommended applications
• Pool and spa applications
• Household appliances
• Water and waste water technology
• Food and beverage industry
• Submersible oil filled motors (4" / 6")
• Submersible pumps, back-to-back installation
• Peripheral pumps for industrial applications
• Domestic and garden pumps
• Coffee machines
• Shower pumps
Dimensions BT-PN in mm
d1
8.00
8.00
9.53
10.00
13.00
14.00
15.00
16.00
16.00*
20.00
25.00
30.00
d3
23
23
23
23
32
32
32
32
32
44
50
60
d6
10
10
12
12
17
17
17
17
17
22
27
33
d7
22.0
25.4
25.4
25.4
29.5
29.5
29.5
29.5
29.5
42.0
45.0
52.0
I1
17.5
19.0
19.0
19.0
20.8
20.8
20.8
20.8
24.3
22.0
27.0
34.0
I3
13.5
13.5
13.5
13.5
12.8
12.8
12.8
12.8
16.3
14.0
17.0
22.0
tol
I4
±1
4.0
±1
5.5
±1
5.5
±1
5.5
+0.7/0 8.0
+0.7/0 8.0
+0.7/0 8.0
+0.7/0 8.0
+0.7/0 8.0
±1
8.0
±1
10.0
±1
12.0
I5
0.5
0.5
0.5
0.5
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.5
Description
Seal face
Stationary seat
Bellows
Gasket
Spring
Ring
Drive ring
Collar
I6
3.5
4.5
4.5
4.5
6.0
6.0
6.0
6.0
6.0
6.0
8.0
8.5
* 4" submersible motor
67
Mechanical seals · Mechanical seals for pumps · Metal bellows seals
MBS100
l 1K
±0,3
( l9 )
Features
• For unstepped shafts
• Rotating bellows
• Single seal
• Balanced
• Independent of direction of rotation
Advantages
• For extreme temperature ranges
• No dynamically loaded O-Ring
• Self cleaning effect
Operating range (see note on page 1)
Shaft diameter: d1 = 20 … 100 mm (0.79" … 4")
Pressure: p1 = … 25 (16*) bar (363 (232*) PSI)
Temperature: t = – 40 °C … +220 °C (160*) °C
(– 40 °F … +428 (320*) °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
* Operating limits for material combination Q1/Q1
Materials
Seal face: Carbon graphite (A), Silicon carbide (Q1)
Seat: Silicon carbide (Q12)
Bellows: Inconel® 625 (T3)
Secondary seals: FKM (V)
Metal parts: Duplex (G1)
68
20
°
l5
Standards and approvals
• EN 12756
Recommended applications
• Process industry
• Refining technology
• Petrochemical industry
• Chemical industry
• Hot media
• Cold media
• Highly viscous media
• Pumps
• Special rotating equipment
d8
l6
5
Description
MBS100 ©Item
EagleBurgmann
1.1
1.2
1.3
2
3
H8
l8
±0,5
d7
l3
H11
3
2
1.1
1.2
h6
d1
d3
1.3
±0,5
d6
9
Seal face with bellows unit
O-Ring
Set screw
Seat (G9)
O-Ring
Dimensions in mm
d1
20
22
24
25
28
30
32
33
35
38
40
43
45
48
50
53
55
58
60
65
70
75
80
85
90
95
100
d3
33.3
36.5
39.0
39.0
42.0
44.0
46.0
47.0
49.2
52.4
55.6
58.7
58.7
61.9
65.1
68.3
69.7
74.6
74.6
84.1
87.3
95.3
98.4
104.8
108.0
114.3
120.7
d6
29
31
33
34
37
39
42
42
44
49
51
54
56
59
62
65
67
70
72
77
83
88
95
100
105
110
115
d7
35
37
39
40
43
45
48
48
50
56
58
61
63
66
70
73
75
78
80
85
92
97
105
110
115
120
125
d8
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
l1k
37.5
37.5
40.0
40.0
42.5
42.5
42.5
42.5
42.5
45.0
45.0
45.0
45.0
45.0
47.5
47.5
47.5
52.5
52.5
52.5
60.0
60.0
60.0
60.0
65.0
65.0
65.0
l3
30.5
30.5
28.5
28.5
31.0
31.0
31.0
31.0
31.0
31.0
31.0
31.0
31.0
31.0
32.5
32.5
32.5
37.5
37.5
37.5
42.0
42.0
41.8
41.8
46.8
47.8
47.8
l5
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3.0
3.0
3.0
3.0
3.0
l6
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
l8
15.0
15.0
19.5
19.5
19.5
19.5
19.5
19.5
19.5
22.0
22.0
22.0
22.0
22.0
23.0
23.0
23.0
23.0
23.0
23.0
26.0
26.0
26.2
26.2
26.2
25.2
25.2
l9
7.0
7.0
11.5
11.5
11.5
11.5
11.5
11.5
11.5
14.0
14.0
14.0
14.0
14.0
15.0
15.0
15.0
15.0
15.0
15.0
18.0
18.0
18.2
18.2
18.2
17.2
17.2
69
Mechanical seals · Mechanical seals for pumps · Metal bellows seals
MFL85N
l 1k
± 0,5
( l 9)
Operating range (see note on page 1)
Shaft diameter: d1 = 16 … 100 mm (0.64" … 4")
Externally pressurized: p1 = … 25 bar (363 PSI)
Internally pressurized:
p1 <120 °C (248 °F) 10 bar (145 PSI )
p1 <220 °C (428 °F) 5 bar (72 PSI)
Temperature: t = – 40 °C … +220 °C
(– 40 °F … +428 °F), stationary seat lock necessary.
Sliding velocity: vg = 20 m/s (66 ft/s)
Materials
Seal face: Carbon graphite antimony impregnated (A),
Silicon carbide (Q12)
Seat: Silicon carbide (Q1)
Bellows: Inconel® 718 hardened (M6),
Hastelloy® C-276 (M5)
Metal parts: CrNiMo steel (G), Duplex (G1),
Hastelloy® C-4 (M)
°
l5
Recommended applications
• Process industry
• Oil and gas industry
• Refining technology
• Petrochemical industry
• Chemical industry
• Hot media
• Cold media
• Highly viscous media
• Pumps
• Special rotating equipment
H8
d8
l6
5
Item Part no. to DIN 24250
MFL85N © EagleBurgmann
1.1
472/481
1.2
412.1
1.3
904
2
475
3
412.2
Product variants
MFL90N
Shaft diameter: d1 = 20 … 100 mm (0.79" … 4")
Internally pressurized: p1 = … 16 bar (232 PSI),
stationary seat lock necessary.
Externally pressurized: p1 = 10 bar (145 PSI)
Temperature: t = – 40 °C … +220 °C
(– 40 °F … +428 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Description
Seal face with
Bellows unit
O-Ring
Set screw
Seat (G9)
O-Ring
MFL85P / MFL90P
Version with pumping ring. Dependent on direction of
rotation. Can be retrofitted.
MFL85F
Dimensions, items and description as for MFL85N,
but with pumping screw (item no. 1.4).
Dependent on direction of rotation!
The pumping screw can be retrofitted.
1.4
MFL85F
MFL85F © EagleBuegmann
70
d7
l8
± 0,5
H11
h6
l3
ds
Standards and approvals
• EN 12756
3
2
0,5
Advantages
• For extreme temperature ranges
• No dynamically loaded O-Ring
• Self cleaning effect
• Short installation length possible
• Pumping screw for highly viscous media available
(dependant on direction of rotation).
1.1
1.2
20
–0,05
Features
• For unstepped shafts
• Rotating bellows
• Single seal
• Balanced
• Independent of direction of rotation
• Metal bellows
d1
d3
1.3
± 0,5
d6
9
Seat alternative
l6
d6
l 18
d7
H11
l 19
H8
20°
l5
G16 G16 © EagleBurgmann
(l1k shorter than specified by EN 12756)
Dimensions in mm
d1
16
18
20
22
24
25
28
30
32
33
35
38
40
43
45
48
50
53
55
58
60
63
65
68
70
75
80
85
90
95
100
d3
30.0
32.0
33.5
36.5
39.0
39.6
42.8
45.0
46.0
48.0
49.2
52.3
55.5
57.5
58.7
61.9
65.0
68.2
70.0
71.7
74.6
79.0
84.1
87.3
87.3
95.0
98.4
104.7
111.0
114.0
117.4
d6
23
27
29
31
33
34
37
39
42
42
44
49
51
54
56
59
62
65
67
70
72
75
77
81
83
88
95
100
105
110
115
d7
27
33
35
37
39
40
43
45
48
48
50
56
58
61
63
66
70
73
75
78
80
83
85
90
92
97
105
110
115
120
125
d8
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
ds
38
39
41
44
47
48
51
53
55
56
58
61
64
67
69
72
74
77
80
83
85
88
95
96
96
104
109
114
119
124
129
l1K
42.5*
42.0
42.0
37.5
40.0
40.0
42.5
42.5
42.5
42.5
42.5
45.0
45.0
45.0
45.0
45.0
47.5
47.5
47.5
52.5
52.5
52.5
52.5
52.5
60.0
60.0
60.0
60.0
65.0
65.0
65.0
l3
32.5
30.5
30.5
30.5
28.5
28.5
31.0
31.0
31.0
31.0
31.0
31.0
31.0
31.0
31.0
31.0
32.5
32.5
32.5
37.5
37.5
37.5
37.5
34.5
42.0
42.0
41.8
41.8
46.8
47.8
47.8
l5
1.5
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3.0
3.0
3.0
3.0
3.0
l6
4
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
l8
17.5
14.0
14.0
14.0
19.5
19.5
19.5
19.5
19.5
19.5
19.5
22.0
22.0
22.0
22.0
22.0
23.0
23.0
23.0
23.0
23.0
23.0
23.0
26.0
26.0
26.0
26.2
26.2
26.2
25.2
25.2
l9
10.0
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
14.0
14.0
14.0
14.0
14.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
18.0
18.0
18.0
18.2
18.2
18.2
17.2
17.2
l18
–
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
16.0
16.0
16.0
16.0
16.0
17.0
17.0
17.0
18.0
18.0
18.0
18.0
18.5
19.0
19.0
19.0
19.0
20.5
20.5
20.5
l19
–
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
8.0
8.0
8.0
8.0
8.0
9.5
9.5
9.5
10.5
10.5
10.5
10.5
11.0
11.5
11.5
11.5
11.5
13.0
13.0
13.0
b
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
3.0
3.0
3.0
3.0
1.6
3.0
3.0
3.0
3.0
3.0
3.0
3.0
s
9.0
10.0
10.0
10.0
8.2
8.5
9.0
8.5
9.2
9.2
9.5
9.2
9.2
9.2
9.5
9.2
10.5
10.5
10.0
14.0
14.0
14.0
14.0
10.0
17.0
16.0
16.0
16.0
21.0
21.0
20.0
* Installation length is longer than l1k specified by EN 12756
71
Mechanical seals · Mechanical seals for pumps · Metal bellows seals
MFLWT
l1 ±0,5
(l9)
l7 ±0,5
f
Operating range (see note on page 1)
Shaft diameter: d1 = 16 … 150 mm (0.64" … 6")
Externally pressurized: p1 = … 25 bar (363 PSI)
Internally pressurized:
p1 <120 °C (248 °F) 10 bar (145 PSI)
p1 <220 °C (428 °F) 5 bar (73 PSI)
p1 <400 °C (752 °F) 3 bar (44 PSI)
stationary seat lock necessary
Temperature: t = – 20 °C … +400 °C (– 4 °F … +752 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
l 3 ±0,5
1.4
3
l8
l5
d7 H8
2
d 6 H11
1.1
k
d8
l6
5
Materials
Item Part no. to DIN 24250 Description
MFLWT80 © EagleBurgmann
Seal face: Carbon graphite antimony impregnated
(A),
1.1
472/481
Seal face with
Silicon carbide (Q12)
bellows unit
Seat: Silicon carbide (Q1)
1.2
410
Sealing ring
Bellows: Inconel® 718 hardened (M6),
1.3
474
Drive collar
1.4
HSH Cap screw
Hastelloy® C-276 (M5)
1.5
904
Set screw
Metal parts: CrNiMo steel (G), Duplex (G1),
2
475
Seat
Carpenter® 42 (T4), Hastelloy® C-4 (M)
3
412
Sealing ring
Recommended applications
Product variant
• Process industry
• Oil and gas industry
MFLWT90
• Refining technology
Shaft diameter: d1 = 16 … 150 mm (0.64" … 6")
• Petrochemical industry
Internally pressurized: p1 = … 16 bar (232 PSI)
• Chemical industry
Externally pressurized: p1 = 10 bar (145 PSI)
• Pulp and paper industry
Temperature: t = – 20 °C … +400 °C (– 4 °F … +752 °F)
• Hot media
stationary seat lock necessary
• Highly viscous media
Sliding velocity: vg = 20 m/s (66 ft/s)
• Pumps
• Special rotating equipment
Dimensions in mm
d1
16
18
20
22
24
25
28
30
32
33
35
38
40
43
45
48
50
53
55
58
60
63
65
68
70
75
80
85
90
95
100
72
1.2
°
Advantages
• For extreme high temperature ranges
• No dynamically loaded O-Ring
• Self cleaning effect
• Short installation length possible
• Pumping screw for highly viscous media available
(dependent on direction of rotation).
1.3
20
Features
• For unstepped shafts
• Rotating bellows
• Single seal
• Balanced
• Independent of direction of rotation
• Metal bellows
d1 h6
d3
1.5
mx
d3
38
40
42
44
46
47
50
52
54
55
57
60
66
69
71
74
76
79
81
85
87
90
92
95
97
102
107
112
117
122
127
d6
29.0
31.0
34.0
37.0
37.0
39.0
42.0
44.0
49.0
49.0
51.0
54.0
56.0
59.0
62.0
65.0
67.0
70.0
72.0
75.0
77.0
81.0
83.0
88.0
88.0
95.0
100.0
105.0
110.0
115.0
122.2
d7
35.0
37.0
40.0
43.0
43.0
45.0
48.0
50.0
56.0
56.0
58.0
61.0
63.0
66.0
70.0
73.0
75.0
78.0
80.0
83.0
85.0
90.0
92.0
97.0
97.0
105.0
110.0
115.0
120.0
125.0
134.3
d8
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
l1
58.0
58.0
58.0
58.0
58.0
58.0
58.0
58.0
60.5
60.5
60.5
60.5
61.5
61.5
62.5
62.5
62.5
62.5
62.5
68.0
68.0
71.0
71.0
71.0
71.0
71.0
71.0
71.0
71.0
71.0
74.0
l3
46.5
46.5
46.5
46.5
46.5
46.5
46.5
46.5
46.5
46.5
46.5
46.5
47.5
47.5
47.5
47.5
47.5
47.5
47.5
53.0
53.0
53.0
53.0
53.0
53.0
52.8
52.8
52.8
53.8
53.8
54.0
l5
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3.0
3.0
3.0
3.0
3.0
3.0
l6
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
7
9
l7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
11
l8
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
22.0
22.0
22.0
22.0
22.0
22.0
23.0
23.0
23.0
23.0
23.0
23.0
23.0
26.0
26.0
26.0
26.0
26.2
26.2
26.2
25.2
25.2
30.0
l9
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
14.0
14.0
14.0
14.0
14.0
14.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
18.0
18.0
18.0
18.0
18.2
18.2
18.2
17.2
17.2
20.0
f
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
k
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
mx
M5
M5
M5
M5
M5
M5
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
Mechanical seals · Mechanical seals for pumps · Metal bellows seals
MFLCT
l1 ±0,5
( l9)
3
l 3 ±0,5
l8
20
°
k
Recommended applications
• Process industry
• Oil and gas industry
• Refining technology
• Petrochemical industry
• Chemical industry
• Cold media
• Highly viscous media
• Pumps
• Special rotating equipment
Operating range (see note on page 1)
Shaft diameter: d1 = 24 … 150 mm (0.94" … 6")
Externally pressurized: p1 = … 25 bar (363 PSI)
Internally pressurized: p1 = 10 bar (145 PSI)
stationary seat lock necessary
Temperature: t = – 100 °C … +100 °C
(– 148 °F … +212 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
d1
16
18
20
22
24
25
28
30
32
33
35
38
40
43
45
48
50
53
55
58
60
63
65
68
70
75
80
85
90
95
100
2)
d3
38
40
42
44
46
47
50
52
54
55
57
60
66
69
71
74
76
79
81
85
87
90
92
95
97
102
107
112
117
122
127
d3 2)
–
–
–
–
49.8
51.7
54.5
56.6
59.5
59.5
62.5
65.7
65.7
68.6
71.5
75.1
76.1
80.8
80.8
84.0
92.3
95.5
95.5
101.3
101.3
105.0
110.6
117.0
120.2
125.2
130.2
d6
29.0
31.0
34.0
37.0
37.0
39.0
42.0
44.0
49.0
49.0
51.0
54.0
56.0
59.0
62.0
65.0
67.0
70.0
72.0
75.0
77.0
81.0
83.0
88.0
88.0
95.0
100.0
105.0
110.0
115.0
122.2
d7
35.0
37.0
40.0
43.0
43.0
45.0
48.0
50.0
56.0
56.0
58.0
61.0
63.0
66.0
70.0
73.0
75.0
78.0
80.0
83.0
85.0
90.0
92.0
97.0
97.0
105.0
110.0
115.0
120.0
125.0
134.3
d8
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
l6
MFLCT80 © EagleBurgmann
Advantages
• For extreme cold temperature ranges
• No dynamically loaded O-Ring
• Self cleaning effect
• Short installation length possible
• Pumping screw for highly viscous media available
(dependent on direction of rotation).
Dimensions in mm
d8
l5
Materials
Seal face: Carbon graphite antimony impregnated (A),
Silicon carbide (Q12)
Seat: Silicon carbide (Q1)
Bellows: Inconel® 718 hardened (M6),
Hastelloy® C-276 (M5)
Metal parts: CrNiMo steel (G)
Hastelloy® C-4 (M)
l1
58.0
58.0
58.0
58.0
58.0
58.0
58.0
58.0
60.5
60.5
60.5
60.5
61.5
61.5
62.5
62.5
62.5
62.5
62.5
68.0
68.0
71.0
71.0
71.0
71.0
71.0
71.0
71.0
71.0
71.0
74.0
l3
46.5
46.5
46.5
46.5
46.5
46.5
46.5
46.5
46.5
46.5
46.5
46.5
47.5
47.5
47.5
47.5
47.5
47.5
47.5
53.0
53.0
53.0
53.0
53.0
53.0
52.8
52.8
52.8
53.8
53.8
54.0
l5
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3.0
3.0
3.0
3.0
3.0
3.0
l6
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
7
9
l7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
11
l8
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
22.0
22.0
22.0
22.0
22.0
22.0
23.0
23.0
23.0
23.0
23.0
23.0
23.0
26.0
26.0
26.0
26.0
26.2
26.2
26.2
25.2
25.2
30.0
l9
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
14.0
14.0
14.0
14.0
14.0
14.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
18.0
18.0
18.0
18.0
18.2
18.2
18.2
17.2
17.2
20.0
f
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
H8
2
d7
1.1
H11
1.2
h6
1.3
1.4
Features
• For unstepped shafts
• Rotating bellows
• Single seal
• Balanced
• Independent of direction of rotation
• Metal bellows
±0,5
mx
d1
d3
d3
1.5
l7
d6
f
5
Item Part no. to DIN 24250
1.1
472/481
1.2
410
1.3
474
1.4
1.5
904
2
475
3
412
Description
Seal face with
bellows unit
Sealing ring
Drive collar
HSH Cap screw
Set screw
Seat
Sealing ring
Product variant
MFLCT90
Shaft diameter: d1 = 20 … 150 mm (0.64" … 6")
Internally pressurized: p1 = … 16 bar (232 PSI),
stationary seat lock necessary
Externally pressurized: p1 = 10 bar (145 PSI )
Temperature: t = –100 °C … +100 °C (–148 °F … +212 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
k
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
mx
M5
M5
M5
M5
M5
M5
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
d3 executed in Hastelloy®
73
Mechanical seals · Mechanical seals for pumps · Metal bellows seals
MF95N
l1K +0,5
20
Features
• For unstepped shafts
• Rotating bellows
• Single seal
• Balanced
• Independent of direction of rotation
• Roller bellows
Advantages
• For extreme temperature ranges
• No dynamically loaded O-Ring
• Very good self cleaning effect
• Suitable for low-end sterile applications
Operating range (see note on page 1)
Shaft diameter: d1 = 14 … 100 mm (0.55" … 3.94")
Temperature: t = – 40 °C … +220 °C (– 40 °F … +428 °F)
Pressure: p = 16 bar (232 PSI)
Sliding velocity: vg = 20 m/s (66 ft/s)
Axial movement: ±0.5 mm
Materials
Bellows: Hastelloy® C-276 (M5)
Seal face: Silicon carbide (Q12),
Carbon graphite resin impregnated (B),
Carbon graphite antimony impregnated (A)
Seat: Silicon carbide (Q1)
Metal parts: CrNiMo steel (G1)
74
°
H8
l 18
±0,5
d7
h6
l3
H11
3
2
d6
1.1
1.2
d1
d3
1.3
l7 +0,5
l6
l5
d8
5
Standards and approvals
• EN 12756
MF95N © EagleBurgmann
Item Part no. to DIN 24250
1.1
472/481
1.2
412.1
1.3
904
2
475
3
412.2
Recommended applications
• Process industry
• Oil and gas industry
• Refining technology
• Chemical industry
• Pharmaceutical industry
• Pulp and paper industry
• Food and beverage industry
• Hot media
• Cold media
• Highly viscous media
• Pumps
• Special rotating equipment
Dimensions in mm
d1
14
16
18
20
22
24
25
28
30
32
33
35
38
40
43
45
48
50
53
55
58
60
63
65
68
70
75
80
85
90
95
100
d3
24
26
32
34
36
39
39
42
44
46
47
49
54
56
58
61
64
66
69
71
78
80
83
85
87
90
99
104
109
114
119
124
d6
21
23
27
29
31
33
34
37
39
42
42
44
49
51
54
56
59
62
65
67
70
72
75
77
81
83
88
95
100
105
110
115
d7
25
27
33
35
37
39
40
43
45
48
48
50
56
58
61
63
66
70
73
75
78
80
83
85
90
92
97
105
110
115
120
125
d8
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Description
Seal face with
bellows unit
O-Ring
Set screw
Seat (G16)
O-Ring
Product variant
MF90N
Shaft diameter: d1 = 14 … 100 mm (0.55" … 3.94")
Temperature: t = – 40 °C … +220 °C (– 40 °F … +428 °F)
Internally pressurized: p = 10 bar (145 PSI),
stationary seat lock necessary.
Sliding velocity: vg = 20 m/s (66 ft/s)
Axial movement: ±0.5 mm
l1k
35.0
35.0
37.5
37.5
37.5
40.0
40.0
42.5
42.5
42.5
42.5
42.5
45.0
45.0
45.0
45.0
45.0
47.5
47.5
47.5
52.5
52.5
52.5
52.5
52.5
60.0
60.0
60.0
60.0
65.0
65.0
65.0
l3
30.5
29.5
30.5
30.5
30.5
33.0
33.0
35.5
35.5
35.5
35.5
35.5
37.0
37.0
37.0
37.0
37.0
38.0
38.0
38.0
42.0
42.0
42.0
42.0
41.5
48.5
48.5
48.5
48.5
52.0
52.0
52.0
l5
1.5
1.5
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3.0
3.0
3.0
3.0
3.0
l6
4
4
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
l7
8.5
8.5
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
l18
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
16.0
16.0
16.0
16.0
16.0
17.0
17.0
17.0
18.0
18.0
18.0
18.0
18.5
19.0
19.0
19.0
19.0
20.5
20.5
20.5
Mechanical seals · Mechanical seals for pumps · Metal bellows seals
YE400
l1
l3
l2
4
3
2
1.1
1.2
d
5
Features
• Single seal
• Balanced
• Independent of direction of rotation
• Stationary metal bellows
Materials
Seal face: High density carbon graphite
Seat: Silicon carbide (Q2)
Bellows: Inconel® 718 (M6)
Secondary seals: Graphite
Metal parts: 1.4404, Carpenter® 42 (T4)
Advantages
• For high or low temperature applications
Recommended applications
• Refining technology
• Power plant technology
• Chemical industry
• High and low temperature hydrocarbon services
• Bottom fluid
• Residual oil
• Gas oil
• Low temperature ethylene
• Pumps
• Special rotating equipment
Operating range (see note on page 1)
Pressure (single ply bellows):
p = vacuum … 20 bar (... 290 PSI)
Pressure (two ply bellows):
p = vacuum … 35 bar (... 508 PSI)
Temperature:
t = – 240 °C … +425 °C (– 400 °F … +797 °F)
Sliding velocity: vg = … 50 m/s (164 ft/s)
Viscosity: … 1 Pa·s
1.3
h7
d2
6
d1
d3
min
10
8 7
±0,3
d4
11
max
l4
1.4 1.5
Item Description
1
Stationary unit
1.1
Bellows unit
YE400 © EagleBurgmann
1.2, 6 Gasket
1.3
Clamp sleeve
1.4, 7 Spring washer
1.5, 8 HSH Cap screw
2
Seat Housing
3
Secondary seal
4
Seat housing
5
Drive pin
Dimensions in mm
Size
code
X14
X16
X18
X20
X22
X24
X26
X28
X30
X32
X34
X36
X38
X40
X42
X44
X46
X48
X50
X52
X54
X56
X58
X60
X62
X64
X70
X78
X90
d
d1
d2
d3
d4
l1
l2
l3
l4
18
21
24
27.5
31
33
36
39
42
45
46.5
50
53
55
58.5
62.5
64
67
70
73
75.5
78.5
82
85
88
91
100
110
129
21
26
29
32
36
39
42
45
48
51
54
58
61
64
67
71
74
77
81
84
87
90
93
96
99
103
111
116
137
42
47
50
53
57
60
63
66
69
72
75
79
82
85
89
92
96
99
102
105
109
113
116
119
122
125
138
147
168
47
50
53
56
60
64
67
70
73
76
80
83
86
89
92
96
99
102
105
108
111
116
120
122
125
128
142
152
173
44
47
50
53
57
60
63
66
69
72
76
79
82
85
88
92
95
98
101
104
107
111
114
117
120
123
134
145
166
36
38
38
38
38
41
41
41
41
41
43
43
43
51
51
51
55
55
55
55
55
58
58
58
58
58
60
60
63
15
17
17
17
17
20
20
20
20
20
22
22
22
30
30
30
34
34
34
34
34
37
37
37
37
37
39
39
42
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
41
41
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
7.5
7.5
75
Mechanical seals · Mechanical seals for pumps · Metal bellows seals
MFL65
l ±0,5
t
mx
1
Features
• Stationary bellows
• Single seal
• Balanced
• Independent of direction of rotation
Operating range (see note on page 1)
Shaft diameter: d1 = 16 … 100 mm (0.63" … 4"),
(>100 mm on request)
Externally pressurized: p1 = 25 bar (363 PSI),
(higher pressure possible, please inquire)
Internally pressurized:
p1 <120 °C (248 °F) 10 bar (145 PSI),
p1 <220 °C (428 °F) 5 bar (72 PSI),
p1 <400 °C (752 °F) 3 bar (44 PSI)
Stationary seat lock necessary
Temperature: t = – 20 … +400 °C (– 4 °F … +752 °F)
Sliding velocity: vg = 50 m/s (165 ft/s)
d
19
24
30
35
40
45
51
60
70
82
88
100
76
d1
d2
16–19
20.5
20–24
25.5
25–30
31.5
31–35
36.0
36–40
41.0
41–45
46.0
46–51
52.0
52–60
61.0
61–70
71.0
71–82
83.5
83–88
89.5
89–100 101.0
d3
29
35
40
45
50
55
63
70
80
95
100
112
d4
30.3
38.8
43.6
45.8
51.5
55.2
64.7
70.6
82.8
98.0
107.7
112.7
d5
25.3
33.8
38.6
40.8
46.5
50.2
59.7
65.6
76.8
92.0
101.7
106.7
H8
d3
d6
d2
1.2
d1
1.1
Materials
Item Part no. to DIN 24250 Description
MFL65 © EagleBurgmann
Bellows: Inconel® 718 (M6), Hastelloy® C-276 (M5)
1.1
472 and 481
Seal face and
bellows unit
Seal face: Carbon graphite antimony impregnated (A),
1.2
400.1
Flat gasket
Silicon carbide (Q12)
2
475
Seat
Seat: Silicon carbide (Q1), Special cast CrMo steel (S)
Metal parts: Duplex (G1), Carpenter® 42 (T4),
Product variant
Hastelloy® C-4 (M)
MFL69
Recommended applications
Shaft diameter: d1 = 16 … 100 mm (0.64" … 4"),
• Process industry
(>100 mm on request)
• Oil and gas industry
Internally pressurized: p1 = 16 bar (232 PSI),
• Refining technology
(higher pressure possible, on request)
• Petrochemical industry
Externally pressurized: p1 = 10 bar (145 PSI),
• Chemical industry
stationary seat lock necessary.
• Hot media
Temperature: t = – 20 °C … +400 °C (– 4 °F … +752 °F)
• High sliding velocities
Sliding velocity: vg = 50 m/s (165 ft/s)
• Pumps
• Special rotating equipment
Advantages
• For high temperature
• High sliding velocities
• No elastomer secondary seals
Dimensions in mm
d5
d4
2
d6
45.0
49.0
55.0
59.0
65.0
69.0
76.5
84.0
95.0
112.0
120.0
130.0
l
33.5
33.5
34.5
33.0
30.5
35.5
40.5
32.0
38.0
41.0
47.0
47.0
n x mx
4 x M4
4 x M4
6 x M4
6 x M4
6 x M4
6 x M4
6 x M5
6 x M5
6 x M5
6 x M6
6 x M6
6 x M6
t
6
6
6
6
6
6
7
7
7
7
7
7
Mechanical seals · Mechanical seals for pumps · Engineered seals
EK777
l
l2
l1
0,5
30°
2
Operating range (see note on page 1)
Pressure (product seal): p = vacuum … 60 bar (… 870 PSI)
Temperature: t = – 20 °C … +200 °C (– 4 °F … +392 °F)
Sliding velocity: vg = 50 m/s (164 ft/s)
Viscosity: … 300 mPa·s
Solids content: … 0.3 %
Materials
Seal face: High density carbon graphite
Seat: Silicon carbide (Q1, Q2)
Secondary seals: FKM (V)
Metal parts: 1.4401 (G), 1.4301 (F)
Dimensions in mm
d
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
d1
50
54
60
64
72
76
85
90
100
105
110
115
120
127
132
140
145
150
162
d2
40
46
51
56
63
68
76
82
90
93
99
104
111
117
120
129
132
137
144
d3
46
52
57
62
69
74
82
88
96
99
105
110
117
123
126
135
138
143
150
l
56
56
56
56
62
62
66
66
66
66
66
66
68
68
68
68
68
68
68
l1
27
27
27
27
31
31
33
33
33
33
33
33
35
35
35
35
35
35
35
1.5
d
5
1.4
1.6
30°
Standards and approvals
• API 682/ISO 21049
Recommended applications
• Power plant technology
• Oil and gas industry
• LPG
• Hot water
• High pressure pumps
• Compressors
• Blowers
• High speed pumps
• Boiler feed pumps
• LPG
2
Item
1.1
1.2, 1.5, 3, 5
1.3
1.4
1.6
2
4
6
3
4
d1
1.3
h7
1.1 1.2
d2
min
d3
Features
• Single seal
• Balanced
• Independent of direction of rotation
• Stationary multiple springs
• Compact construction
• API 682 (Type A) compliant seal
• Angled set screw drive configuration ensures precise
vertical alignment of rotary seat
• Distributed flush ensures even cooling flow to seal faces
2
H7
3
6
Description
Seal face
O-Ring
Adapter
Spring
Snap ring
Seat
Drive collar
Set screw
Product variant
Configuration example
in acc. with API 682 (1CW-FL)
l2
29
29
29
29
31
31
33
33
33
33
33
33
33
33
33
33
33
33
33
77
Mechanical seals · Mechanical seals for pumps · Engineered seals
HR
l
l1
t1
Direction of installation:
• from the impeller side HR10
• from the bearing side HR11
HR10
Features
• Single seal
• Balanced
• Independent of direction of rotation
• Multiple springs stationary
• Seat rotating
• Seat arranged directly behind the impeller
• Spring protection sleeve
• Variant with cylindrical spring and acc. EN 12756
(HRZ1) available
• Variant as cartridge with/without guide sleeve for
application with/without quench (HR2, HR3)
• Dual seal as cartridge unit (HRKS-D) available
Operating range (see note on page 1)
Shaft diameter: dN = 36 … 270 mm (1.4" … 10.63")
Pressure: p1* = 16 bar (230 PSI)
Temperature: t = – 20 °C … +160 °C (– 4 °F … +320 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
* For operation under vacuum it is necessary to arrange for
quenching on the atmosphere side.
l9
l6
l5
l6
t
G2
(dN 36 … 90 mm)
G2 © EagleBurgmann
78
H11
H8
d6
d7
d5
k2
H8
H11
d7
d6
d8
20°
R1
l2
4
8
H8
3
d4
2
H8
7
HR11
Materials
Item Part no. to DIN 24250
Seal face: Silicon carbide (Q1), (Q2) HR © EagleBurgmann 1.1
472
Seat: Silicon carbide (Q1), (Q2)
1.2
520
2
412.1
Standards and approvals
3
474
• EN 12756 (HRZ1)
4
477
5
475
Recommended applications
6
412.2
• Process industry
7
412.3
• Oil and gas industry
8
441
• Refining technology
• Chemical industry
• Power plant technology
• Pulp and paper industry
• Water and waste water technology
• Mining industry
• Sugar industry
• Cement industry
• Dirty, abrasive and solids containing media
• Sewage water pumps
• Dredger pumps
• Oil sand extraction
• Scrubbers in flue-gas desulphurization plants (FGD)
Seat alternatives
+0,5
1.2
d9
6
l5
Advantages
• Especially for application in solids containing media
without external flush or internal product circulation.
Solids content 40 % (single seal) and 60 % (double seal)
• Operation under vacuum without seat locking possible
• Pumping screw for increased circulation available
• Springs are protected from product and leakage
• No damage of the shaft by dynamically loaded O-Ring
• Insensitive to shaft deflections due to stationary design
l7
1.1
d1h
h8
5
d1
–0,1
d2
d 10
d3
d8
l 4 + 0,1
d 11
l3
G9G9
© EagleBurgmann
(dN 95 … 180 mm)
Description
Seal face
Sleeve
O-Ring
Thrust ring
Spring
Seat (G11)
O-Ring
O-Ring
Housing
Product variants
HR2
Cartridge-type single seal with guide sleeve (Item no. 2)
for use with quench. Insert (Item no. 1) either metal or
Silicon carbide.
dN
d1
1
1
d 1h
dN
d1
d 1h
HR3
Cartridge-type single seal. Insert (Item no. 1) either metal
or silicon carbide. Optional without maintenance rinsing.
2
HRZ1
Single seal with cylindrical spring and type G76 seat.
For installation in covers with installation dimensions
according to EN 12756 B or U. Installation length l11
corresponds to max. l1k. Intermediate sizes on request.
HRKS-D
Double seal in cartridge design for operation in barrier or
buffer pressure mode (does not open if barrier pressure
fails and closes automatically in the event of pressure
reversal), available alternatively with a pumping screw for
a higher rate of circulation. Torque transmission e. g. by
shrink disk.
HR2
HR3
l 10
7
3
2
4
H11
6
H8
8
d 13
1.1
max
5
4
d1h
3
l 16
d 12
1.2
2
7
l 13
HR3 © EagleBurgmann
l 15
dN
6
d 11
1.1
5
l 12
d1
d3
d1
HR2 © EagleBurgmann
d 14
HRKS-D
Dimensions in mm
d1
20
25
28
33
38
43
48
53
55
60
65
70
75
80
90
100
110
120
130
140
160
180
190
200
210
220
230
250
d1h
28
33
38
43
48
53
58
63
65
70
75
80
85
90
100
110
120
130
140
150
170
190
200
210
220
230
240
260
dN
36
41
46
51
56
61
66
71
75
80
85
90
95
100
110
120
130
140
150
160
180
200
210
220
230
240
250
270
d1h
33
39
50
60
72
90
d1
20
27
35
47
55
70
HRZ1
5
HRK – D © EagleBurgmann
d2
47.1
52.1
57.1
62.1
67.1
72.1
77.1
82.1
87.1
92.1
97.1
102.1
107.1
112.1
126.1
136.1
145.1
154.1
163.9
174.9
193.9
213.9
231.9
241.9
251.9
261.9
271.9
291.9
d3
65
70
75
80
85
90
95
101
106
111
116
121
126
131
147
157
167
177
188
189
220
240
255
265
275
285
295
315
HRZ1 – Dimensions in mm
dN
35
43
54
66
77
100
l 11
d11
56
67
78
91
103
125
d12
42
54
65
77
88
110
d4
70
75
80
85
90
95
100
105
110
115
120
125
130
135
155
165
175
185
195
205
230
255
270
280
290
300
310
330
d5
46
51
56
61
66
69
76
81
86
91
96
101
107
107
117
132
142
152
162
172
187
–
–
–
–
–
–
–
d6
56.0
62.0
67.0
72.0
77.0
81.0
88.0
95.0
100.0
105.0
110.0
115.0
122.2
122.2
136.2
146.2
156.2
168.2
178.2
188.2
212.5
–
–
–
–
–
–
–
d7
63.0
70.0
75.0
80.0
85.0
90.0
97.0
105.0
110.0
115.0
120.0
125.0
134.3
134.3
148.3
158.3
168.3
180.3
190.3
200.3
224.3
–
–
–
–
–
–
–
d8
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
5
–
–
–
–
–
–
–
d9
40
45
50
55
60
65
70
75
79
84
89
94
99
104
116
126
136
146
156
166
186
206
218
228
238
248
258
278
d10
38
43
48
53
58
63
68
73
78
83
88
93
98
103
117
127
136
145
155
166
185
205
220
230
240
250
260
280
d11 + 0.2 min.
75
80
85
90
95
100
105
110
115
120
125
130
135
140
163
173
183
193
203
213
238
265
280
290
300
310
320
340
d13
48
61
73
85
97
120
d14
3
4
4
4
4
4
l10
57.7
57.7
59.8
66.0
74.5
82.0
l11
49.2
49.2
52.1
58.0
66.0
73.0
l12
15.0
15.0
15.5
16.5
17.5
21.0
l13
42.7
42.7
44.3
49.5
57.0
61.0
l15
2.0
2.0
2.5
2.5
2.5
3.0
l16
5
6
6
6
7
7
l
75
75
75
75
75
75
75
75
75
75
75
75
75
75
98
98
98
98
98
98
98
98
115
115
115
115
115
115
l1
53
53
53
53
53
53
53
53
53
53
53
53
53
53
73
73
73
73
73
73
73
73
83
83
83
83
83
83
l2
20
20
20
20
20
20
20
20
20
20
20
20
20
20
30
30
30
30
30
30
30
30
40
40
40
40
40
40
HRZ1 © EagleBurgmann
l3
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
22.0
22.0
22.0
22.0
22.0
22.0
22.0
22.0
28.35
28.35
28.35
28.35
28.35
28.35
l4
17
17
17
17
17
17
17
17
17
17
17
17
17
17
19
19
19
19
19
19
19
19
24.7
24.7
24.7
24.7
24.7
24.7
l5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
16.0
16.0
16.0
16.0
16.0
16.0
16.0
16.0
19.0
19.0
19.0
19.0
19.0
19.0
l6
6
6
6
6
6
7
7
7
7
7
7
7
10
10
10
10
10
10
12
12
12
–
–
–
–
–
–
–
l7
9
9
9
9
9
9
9
9
9
9
9
9
12
12
12
12
12
12
12
12
12
–
–
–
–
–
–
–
l9
8.0
9.5
9.5
10.5
10.5
11.0
11.5
11.5
11.5
13.0
13.0
13.0
20.0
20.0
20.0
20.0
20.0
22.0
24.0
24.0
28.0
–
–
–
–
–
–
–
k2
51.0
56.5
61.5
66.5
71.5
75.0
82.0
88.0
93.0
98.0
103.0
108.0
114.5
114.5
126.5
139.0
149.0
160.0
170.0
180.0
199.5
–
–
–
–
–
–
–
t
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
–
–
–
–
–
–
–
t1
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
5
5
5
5
5
5
79
Mechanical seals · Mechanical seals for pumps · Engineered seals
HRC...N
1.2
9
12
1.1.1 1.1.2
Features
• Cartridge
• Balanced
• Independent of direction of rotation
• Stationary multiple springs
• Variant with short installation length (HRC1100N)
• Spring protection sleeve
• Variant for operation with pressureless quench available
(HRC2000N)
• Dual seal with and without pumping screw (HRC3300NF,
HRC3300N) available
Advantages
• Insensitive to solids containing media. Solids content
40 % (single seal) and 60 % (double seal)
• Springs are protected from product and leakage
• Broad field of application due to modular system
• Optimal for standardization purposes
• Variant with short installation length to meet limited
space conditions (HRC1100N)
• Seal remains closed in case of barrier pressure failure,
self-closing at pressure reversal (HRC3300NF)
• Operation under vacuum without seat locking possible
• Pumping screw for increased circulation available
• No damage of the shaft by dynamically loaded O-Ring
• Insensitive to shaft deflections due to stationary design
• Straightforward installation due to pre-assembled unit
• Installation errors are excluded
• No damage caused by dirt entered during assembly
80
2 4
8
24
1.1.3
Operating range (see note on page 1)
HRC3300NF
HRC3200NF
Shaft diameter: d10 = 30 … 60 mm (1,181"...
With uni-directional pumping screw. Dual seal remains
2,362")© EagleBurgmann
closed in case of barrier pressure failure and closes in
Pressure: p1 = 23 bar (334 PSI)
the event of pressure reversal. With guide sleeve (item
Temperature: t = – 20 °C … +160 (200*) °C
no. 12). Operation as single seal with quench possible.
(– 4 °F … +320 (382*) °F)
Encapsulated stationary seat on the product side (bursting
Sliding velocity: vg = 20 m/s (66 ft)
protection). Parted seal sleeve for application of highly
Axial movement: ±1.0 mm
restistant materials e.g. Hastelloy®.
* Due to shrinking
Materials
Seal face: Silicon carbide (Q1, Q2)
Seat: Carbon graphite antimony impregnated (A),
Silicon carbide (Q1, Q2)
Standards and approvals
• DIN 24960 C
Recommended applications
• Chemical industry
• Process industry
• Petrochemical industry
• Mining industry
• Sugar industry
• Dirty, abrasive and solids containing media
• Various chemical processes
• Chemical standard pumps
Item Part no. to DIN 24250
1.1.1 472.1
1.1.2 474
1.1.3 477.1
1.2
475.1
2
523
4
513
8
160
9
509
12
19
24
Description
Seal face
Thrust ring
Spring
Seat
Shaft sleeve
Insert
Cover plate
Spring carrier
Spring protection
sleeve
Plug
Assembly fixture
Product variants
HRC1000N
Single seal
HRC2000N
Single seal with pressureless quench for cooling,
featuring guide sleeve (Item no. 12) baffle (Item no. 17),
adapter (Item no. 15) and lip seal (Item no. 13) on the
atmosphere side. Option: Throttle ring for sealing steam
quench on the atmosphere side.
HRC1100N
ASame design as HRC1000N, but with a shorter cover
plate featuring integral spring and drive pin pockets (Item
no. 8). No adapter (Item no. 9). Shaft sleeve (Item no. 2)
uncoated. Differs from modular system!
24
8
12
HRC1000N
4)
5)
+0.5
h8
6)
d175)
85
95
110
125
7)
+7
C
d181)6) d19
95
110
125
140
8)
+0.1
9)
–0.1
s
l 21
d 10
0,005 A– B
l 24
X
0,005
l8
1,6
1,6
l138)
4
4
4
4
l14
20
22
25
30
l15 l16
1
1
1
1
l17
16
18
21
26
l18
0.5
0.5
0.5
0.5
l19
55
60
60
60
l20
39
44
44
44
l21
35
40
45
50
l22
35
40
45
50
l23
39
44
44
44
l24 9) l25
2
0.5
2
0.5
2
0.5
2
0.5
S
M10
M12
M12
M12
1,6
1,6
°
20
l 16
(l 17)
20°
Mating surface
Auflagefläche
1) 1)
Dichtfläche
Sealing
surface
gerundet
rounded
1,6
l122)7)
4
4
4
4
Y
l 12
l 13
Anlagefläche
Mating
surface
G1/ 8
°
l9
d13
d15
d 19
d12
d16
min
d22
d17
d 18
d11
l2
Example
Beispieloffür
assembly
fixture
Montagehilfe
20°
d14
l112)7)
50
52
55
70
View XX
Ansicht
ø0,05 A– B
Seal
face Gleitring
Gegenring
seat
The
axial position
the sailing surface
Die axiale
Lage derof Dichtfläche
der
of
the secondary seals
are determined
Nebendichtungen
wird durch
das Maß lby
bestimmt.
13 the
dimension l13 of the pump.
11))
l10
15
15
15
20
B
min 1
Z
0,005
Z
l9
10
10
12
14
Gleitringdichtung
mit stationärem
design C.
Mechanical
seal with Federteil,
stationaryAusführung
spring unit, C.
In der Zeichnung
ist eine shows
Doppel–GLRD
The drawing
a doubledargestellt.
mechanical seals.
Bauteilgrenze
Seal
stand–out limit
Y
max
A
l87)
115
130
140
166
G3/8
A–B
d22
86
96
111
126
±0.05
l 25
ø 0,05
d21
129
155
168
185
0,2 C
l 19
0,005 A– B
l 11
d20
110
130
145
160
l 23
–0.2
d15 4) d16
44
82
54
92
66
105
76
120
l 20
15
3)
d142)
41
51
61
67
l 19
+0.2
d133)
35
45
55
61
d 21
2)
H7
d122)
31
41
51
61
d 20
1)
d111)
24
32
42
50
HRC2000N © EagleBurgmann
d19 < d20
d101)
30
40
50
60
13
15
HRC2000N
HRCN © EagleBurgmann
Dimensions in mm
17
1.1.3
G3/8
1.1.2
1.1.1
19
l 22
2
9
12
l 20
4
1.2
°
15
l 15
l 14
Seal dimensions acc. DIN 24960 © EagleBurgmann
81
Mechanical seals · Mechanical seals for pumps · Engineered seals
SH(V)
14
9
6
1.11
2
1.2
1.1.3
Features
• Cartridge design
• Single seal
• Balanced
• Stationary spring loaded unit
• Shrink-fitted seal face
• Multiple springs
Advantages
• Deformation-optimized seal for high pressures and high
sliding velocities (static up to 500 bar and dynamic up to
150 bar)
• Economical due to standardized inner components
• High flexibility due to adaptation of the connection parts
to the pump seal chamber
• Insensitive to shaft deflections due to stationary design
• Pre-assembled unit for quick and easy installation
• Suitable for use in compliance with API 682, type ES
• Version with loose-fitted seal face available, for extreme
applications
• Only small number of components
Operating range (see note on page 1)
Shaft diameter: d1* = 40 … 250 mm (1.57" … 9.84")
Pressure: p1 = 150 bar (2.175 PSI)
Temperature: t = +200 °C (+394 °F)
Sliding velocity: vg = 60 m/s (197 ft/s)
Axial movement: ±3 mm
* Other sizes on request
82
Materials
Item
Description
Seal face: SiC-C-Si, silicon impregnated carbon (Q3),
1.1.1
Seal face
SHV © EagleBurgmann
Carbon graphite, antimony impregnated (A)
1.1.3
Spring
Seat: Silicon carbide (Q)
1.2
Seat
Secondary seals: FKM (V), EPDM (E), FFKM (K)
2
Shaft sleeve
Springs: Hastelloy® C-4 (M)
6
Housing
9
Assembly fixture
Metal parts: CrNiMo steel (G), Duplex (G1),
14
Shrink disk
Super Duplex (G4), Titanium (T2), Hastelloy® C-4 (M)
Standards and approvals
• API 682/ISO 21049
Recommended seal supply
• API Plan 11, 31, 32, 61, 62, 13, 41
Recommended applications
• Power plant technology
• Oil and gas industry
• Refining technology
• Petrochemical industry
• Chemical industry
• Pulp and paper industry
• Water and waste water technology
• Hot water
• Sour water
• Caustic soda
• Amines
• Crystallizing media
• Crude oil
• Process water
• Crude oil feed pumps
• Injection pumps
• Multi-phase pumps
Product variant
SH(V)I
Same design as SH(V) but with loosely inserted seal face
for extreme applications.
Pressure: p1 = 200 bar (2,900 PSI)
Mechanical seals · Mechanical seals for pumps · Engineered seals
SHF / SHP
14
9
1.1.1
6
Features
• Cartridge design
• Single seal
• Balanced
• Dependent of direction of rotation
• Integrated pumping device
• Stationary spring loaded unit
• Shrink-fitted seal face
• Multiple springs
Advantages
• Deformation-optimized seal for high sliding velocities
and medium pressures
• Economical due to standardized inner components
• Universal application for OEM or retrofits of boiler feed
water pumps with floating ring seals, labyrinths or
packings
• High flexibility due to adaptation of the connection parts
to the pump seal chamber
• Optimum heat dissipation due to integrated pumping
device and optimized seat design
• Insensitive to shaft deflections due to stationary design
• Pre-assembled unit for quick and easy installation
• Only small number of components
• Short built
Operating range (see note on page 1)
Shaft diameter: d1* = 40 … 250 mm (1.57" … 9.84")
Pressure: p1 = 50 bar (725 PSI)
Temperature: t = +300 °C (+572 °F)
Sliding velocity: vg = 60 m/s (197 ft/s)
Axial movement: ±3 mm
1.1.3
1.2
8
2
Materials
Item
Description
SHF © EagleBurgmann
Seal face: Silicon carbide (Q), Carbon graphite antimony
1.1.1
Seal face
impregnated (A), Carbon graphite resin impregnated (B)
1.1.3
Spring
Seat: Silicon carbide (Q)
1.2
Seat
Secondary seals: EPDM (E), FFKM (K)
2
Shaft sleeve
Springs: CrNiMo steel (G)
6
Cover
Metal parts: CrNiMo steel (G)
8
Pumping screw with flow guide
9
Assembly fixture
Recommended seal supply
14
Shrink disk
• API Plan 23
Product variant
Recommended applications
SHF4
• Power plant technology
Single mechanical seal with integrated jacket cooling,
• Oil and gas industry
for boiler feed pumps.
• Refining technology
• Petrochemical industry
• Chemical industry
• Boiler feed water pumps
* Other sizes on request
83
Mechanical seals · Mechanical seals for pumps · Engineered seals
SHPV / SHFV
9
6
1.1.4
Features
• Cartridge design
• Single seal
• Balanced
• Dependent of direction of rotation
• Integrated pumping device
• Stationary spring loaded unit
• Shrink-fitted seal face
• Multiple springs
Advantages
• Deformation-optimized seal for highest pressure levels
• Economical due to standardized inner components
• High flexibility due to adaptation of the connection parts
to the pump seal chamber
• Optimum heat dissipation due to integrated pumping
device and optimized seat design
• Insensitive to shaft deflections due to stationary design
• Pre-assembled unit for quick and easy installation
• Only small number of components
Operating range (see note on page 1)
Shaft diameter: d1* = 40 … 250 mm (1.57" … 9.84")
Pressure: p1 = 150 bar (2,175 PSI)
Temperature: t = +350 °C (+662 °F)
Sliding velocity: vg = 60 m/s (197 ft/s)
Axial movement: ±3 mm
1.1.1
2
1.1.3
Materials
Item
Seal face: Carbon graphite antimony impregranted (A)
1.1.1
SHPV © EagleBurgmann
Seat: Silicon carbide (Q)
1.1.3
Secondary seals: EPDM (E), FFKM (K)
1.1.4
Springs: CrNiMo steel (G)
1.2
Metal parts: CrNiMo steel (G)
2
Recommended seal supply
6
• API Plan 23
9
Recommended applications
• Power plant technology
• Oil and gas industry
• Refining technology
• Petrochemical industry
• Chemical industry
• Boiler feed water
• Boiler circulation pumps
1.2
Description
Seal face pressure-stabilized
Spring
Back-up ring
Seat
Seat housing with pumping screw (F)
or pumping ring (P)
Cover
Assembly fixture
Product variant
SHFV
Same design as SHPV but with pumping screw.
* Other sizes on request
9
6
2
1.1.4
1.1.1
1.2
1.1.3
SHFV © EagleBurgmann
84
Mechanical seals · Mechanical seals for pumps · Engineered seals
SAF(V) / SAP(V)
6
8
Features
• Cartridge design
• Single seal
• Balanced
• Dependent on direction of rotation
• Integrated pumping device
• Stationary spring loaded unit
• Inserted seal face
• Rotating carbon seat
Advantages
• Deformation-optimized seal for high sliding velocities and
medium pressures
• Economical due to standardized inner components
• High flexibility due to adaptation of the connection parts
to the pump seal chamber
• Optimum heat dissipation due to integrated pumping
device and optimized seat/seal face design
• Insensitive to shaft deflections due to stationary design
• Pre-assembled unit for quick and easy installation
• Only small number of components
Operating range (see note on page 1)
Shaft diameter: d1* = 120 … 250 mm (4.72" … 9.84")
Pressure: p1 = 50 bar (725 PSI)
Temperature: t = +300 °C (+572 °F)
Sliding velocity: vg = 65 m/s (213 ft/s)
Axial movement: ±3 mm
* Other sizes on request
7
1
5
4
3
2 9
10
Materials
Item Description
SAFV1 © EagleBurgmann
Seal face: Silicon carbide (Q), SiC-C-Si,
1
Seal face
silicon impregnated carbon (Q3)
2, 4 O-Ring
Seat: Carbon graphite resin impregnated (B), SiC-C-Si,
3
Spring
silicon impregnated carbon (Q3)
5
Seat collar
Secondary seals: EPDM (E), FFKM (K)
6
Seat
Springs: CrNiMo steel (G)
7
Shaft sleeve
Metal parts: CrNiMo steel (G)
8
Pumping sleeve
9
Cover
Recommended seal supply
10
Throttle ring
• API Plan 02 + 23 (with jacket cooling)
Recommended applications
• Power plant technology
• Oil and gas industry
• Refining technology
• Petrochemical industry
• Chemical industry
• Boiler feed water with low conductivity
• Boiler feed pumps
85
Mechanical seals · Mechanical seals for pumps · Engineered seals
SHF(V)I-D / SHP(V)I-D
14
12
8
2
10
1.2
1.1.1
6
1.1.3
Features
• Cartridge design
• Dual seal
• Balanced
• Integrated pumping device
• Stationary spring loaded unit
• Multiple springs arrangement
• Shrink-fitted seal face
• One rugged seat
Advantages
• Deformation-optimized seal for high pressures and high
sliding velocities (static up to 500 bar (7,250 PSI)) and
dynamic up to 150 bar (2,175 PSI)
• Economical due to standardized inner components
• High flexibility due to adaptation of the connection parts
to the pump seal chamber
• Optimum heat dissipation due to integrated pumping
device
• Insensitive to shaft deflections due to stationary design
• Pre-assembled unit for quick and easy installation
• Dual seal does not open even in the event of barrier fluid
pressure failure
• Reliable operation due to one rugged seat with bandage
• Suitable for use in compliance with API 682, type ES
• Version with loose-fitted seal face available, for extreme
applications
• Only small number of components
Operating range (see note on page 1)
Shaft diameter: d1* = 40 … 250 mm (1.57" … 9.84")
Pressure: p3 = 150 bar (2,175 PSI)
Temperature: t = +200 °C (+392 °F)
Sliding velocity: vg = 60 m/s (197 ft/s)
* Other sizes on request
86
4
Materials
Item
Description
Seal face: SiC-C-Si, silicon impregnated carbon (Q3),
1.1.1
Seal face
Carbon graphite, antimony impregnated (A)
1.1.3
Spring
SHFV–D © EagleBurgmann
Seat: Silicon carbide
1.2
Seat
Secondary seals: FKM (V), EPDM (E), FFKM (K)
2
Shaft sleeve
Springs: Hastelloy® C-4 (M)
4
Clamping sleeve
6
Housing
Metal parts: CrNiMo steel (G), Duplex (G1),
Cover
Super Duplex (G4), Pure Titanium (T2), Hastelloy® C-4 (M) 8
10
Pumping sleeve
Standards and approvals
12
Assembly fixture
14
Shrink disk
• API 682/ISO 21049
Recommended seal supply
• API Plan 53A, 53B, 53C, 54
Recommended applications
• Oil and gas industry
• Refining technology
• Petrochemical industry
• Power plant technology
• Chemical industry
• Volatile and non-volatile hydrocarbons
• Crude oil
• Process water
• Crude oil feed pumps
• Injection pumps
• Multi-phase pumps
Product variants
SHF(V)-D / SHP(V)-D
Same design as SHF(V)-D/SHP(V)-D but with loosely
inserted seal face for extreme applications.
Pressure: p1 = 200 bar (2,900 PSI)
87
Mechanical seals · Mechanical seals for pumps · Split seals
Splitex
l1
l2
l4
l3
13
16 7 15 5 4 2
6
l5
Operating range (see note on page 1)
Shaft diameter: d1 = 50 … 150 mm
(1.940" … 6.000")
Pressure: p1 = 10 bar (145 PSI)
Temperature: t = – 40 … +150 °C (– 40 … +300 °F),
above 80 °C (175 °F) flush is recommended
Sliding velocity: vg = 10 m/s (33 ft/s)
Axial movement: ±1.5 mm (1/16")
Radial movement: ±0.8 mm (1/32")
Materials
Seal face: Carbon graphite antimoniny impregnated (A),
Silicon carbide (Q6)
Seat: Silicon carbide (Q6)
Secondary seals: FKM (V), EPDM (E), NBR (P)
Springs: CrNiMo steel (G)
Metal parts: CrNiMo steel (G), CrNiMo cast steel (G)
88
3 11
10
17
Item
1
2, 5, 7
3
4
6
8
9
10
11
12, 15
13
14
16
17
Description
Seal face
O-Ring
Spring
Seat
Driver
Thrust ring
Clamp collar
Housing
Assembly fixture
Gasket
Head Screw plug
Mounting plate
Set screw
HSH Cap screw
SPLITEX © EagleBurgmann
Recommended applications
• Process industry
• Petrochemical industry
• Chemical industry
• Power plant technology
• Pulp and paper industry
• Pulp
• Centrifugal pumps
• Agitators
• Displacement pumps
• Conveying pulp with stock pumps
• Conveying timber to refiners with pumping screws
• Circulation of pulp-and-water mixtures in storage vessels
• Pump stations for waste water treatment
• Cooling water pumps for energy generation
14
s
Advantages
• Reduced repair and downtime: 2 x 2 pre-assembled
design speeds up and simplifies installation because
pump does not have to be disassembled.
• Long service life: precise pre-alignment because of
pre-assembled segments. Stationary springs which are
protected from the product prevent clogging.
• Greater flexibility during installation: no modification
necessary because the seal is located outside of the
stuffing box.
• Shaft protection: uniform torque transmission via
clamping ring prevents damage caused by set screws.
• Dependable operation: mechanical decoupling of
clamping ring (torque transmission) avoids distortion of
the seat.
• Simple monitoring of the seal during operation because
of mechanical wear indicator on the seal face.
• Low leakage: elimination of secondary seals eliminates
leakage paths between split components.
• High tolerance to shaft deflections ensured by stationary
design and elastic seat mounting (gasket).
1
a
Features
• Fully split single seal, 2 x 2 segments, pre-assembled
• Semi-cartridge
• Balanced
• Stationary springs
• Bi-directional
• External pressurization
• Built-in flushing connections
• Installation and wear control
8
DW
d1
d2
12 9
Da
Seal cover
SPLITEX–Guss–Seite © EagleBurgmann
Dimensions in mm
Dw
50
60
70
80
90
100
110
120
125
140
150
Dw
1.969
2.362
2.756
3.150
3.543
3.937
4.331
4.724
4.921
5.512
5.906
d1
75
89
98
110
121
131
142
152
162
175
188
d2
84
101
113
132
140
150
165
175
185
200
215
Dimensions in inch
Dw
1.940
2.000
2.125
2.375
2.438
2.500
2.750
2.938
3.000
3.250
3.500
3.625
3.750
3.875
4.000
4.250
4.500
4.750
5.000
5.500
6.000
Dw
49.276
50.800
53.975
60.325
61.925
63.500
69.850
74.625
76.200
82.550
88.900
92.075
95.250
98.425
101.600
107.950
114.300
120.650
127.000
139.700
152.400
d1
2.953
2.953
3.110
3.504
3.642
3.642
3.858
4.213
4.213
4.331
4.764
4.764
4.921
5.157
5.157
5.591
5.984
5.984
6.378
6.890
7.402
Da
138
149
176
191
203
216
230
240
268
303
308
d2
3.307
3.307
3.465
3.976
4.114
4.114
4.449
4.803
4.803
5.197
5.512
5.512
5.630
5.906
5.906
6.496
6.890
6.890
7.283
7.874
8.465
a
88
105
118
135
145
155
170
180
190
205
220
Da
5.433
5.433
5.787
5.866
6.181
6.181
6.929
7.559
7.559
7.520
7.992
7.992
8.110
8.504
8.504
9.055
9.449
9.449
10.551
11.929
12.126
s
15
17.5
20
20
22
22
22
22
26
26
26
a
3.456
3.456
3.622
4.134
4.272
4.272
4.646
5.000
5.000
5.315
5.709
5.709
5.827
6.102
6.102
6.693
7.087
7.087
7.480
8.071
8.661
l1
63
64
64
65
72.5
72.5
72.5
72.5
89.5
89.5
89.5
l2
61
62
62
63
70.5
70.5
70.5
70.5
87.5
87.5
57.5
s
0.591
0.591
0.591
0.689
0.689
0.689
0.787
0.787
0.787
0.787
0.866
0.866
0.866
0.866
0.866
0.866
0.866
0.866
1.024
1.024
1.024
l3
30
30
30
31
31.5
31.5
31.5
31.5
43.5
43.5
43.5
l1
2.480
2.480
2.480
2.520
2.520
2.520
2.520
2.559
2.559
2.559
2.854
2.854
2.854
2.854
2.854
2.854
2.854
2.854
3.524
3.524
3.524
l4
45
46
46
47
50.5
50.5
50.5
50.5
62.5
62
62.5
l2
2.402
2.402
2.402
2.441
2.441
2.441
2.441
2.480
2.480
2.480
2.776
2.776
2.776
2.776
2.776
2.776
2.776
2.776
3.445
3.445
3.445
l5
3
3
3
3
3
3
3
3
4
4
4
l3
1.181
1.181
1.142
1.181
1.181
1.181
1.181
1.299
1.299
1.220
1.240
1.240
1.240
1.240
1.240
1.240
1.240
1.240
1.713
1.713
1.713
X
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
1/2 NPT
1/2 NPT
1/2 NPT
1/2 NPT
1/2 NPT
1/2 NPT
1/2 NPT
l4
1.772
1.772
1.772
1.811
1.811
1.811
1.811
1.850
1.850
1.850
1.988
1.988
1.988
1.988
1.988
1.988
1.988
1.988
2.461
2.461
2.461
l5
0.118
0.118
0.118
0.118
0.118
0.118
0.118
0.118
0.118
0.118
0.118
0.118
0.118
0.118
0.118
0.118
0.118
0.118
0.157
0.157
0.157
X
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
3/8 NPT
1/2 NPT
1/2 NPT
1/2 NPT
1/2 NPT
1/2 NPT
1/2 NPT
1/2 NPT
1/2 NPT
1/2 NPT
1/2 NPT
1/2 NPT
89
Mechanical seals · Mechanical seals for pumps · Split seals
HGH201
l4 –0,1
l3
2
f
15°
15°
mx
Operating range (see note on page 1)
Shaft diameter: d1 = 50 … 310 mm (2" … 12.20")
(larger diameters on request)
Pressure: p1 = 25 bar (363 PSI)
Temperature: t1 = +150 °C (+302 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Axial movement: ±2.0 mm
90
H7
l8
1.4
d5
3
+0,1
2
R
d1
d3
Advantages
• Economical: no complete dismantling of pump necessary
• Reduction of down-times and installation times
• Springs are protected from the product
• Rugged seal design
• Split seat can be used on both sides
1.1
R
Features
• For plain shafts (HGH201)
• Semi split single seal
• Multiple springs rotating
• Balanced
• Independent of direction of rotation
• Unsplit as original equipment (HGH200)
• Cartridge available (based on HGH210)
• Variant for stepped shafts available (HGH211)
• Splitted seal parts: sliding faces and O-Rings
1.2
1.7
d4
1.5
d2
1.3
h8
1.6
l1
Materials
Seal face: Silicon carbide (Q1, Q2) HGH © EagleBurgmann
Seat: Silicon carbide (Q1, Q2),
Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B)
Secondary seals: FKM, (V), EPDM (E), NBR, (P)
Metal parts: CrNiMo steel (G)
Recommended applications
• Pulp and paper industry
• Water and waste water technology
• Shipbuilding
• Sea water desalination
• Pulp with up to 5 % fiber content
• Water turbines
• Chest agitators
• Stern tubes
• Cooling water pumps
• Gears
• Defibrators
• Storage pumps
Item
1.1
1.2
1.3, 1.4, 1.7, 3
1.5
1.6
2
Description
Seal face1)
Drive collar
O-Ring1)
Spring
Set screw
Stationary seat1)
1) For
disassembly of unsplit seal faces, seats and O-Ring these
should be broken or cut.
Torque transmission
≥105
Set screw withd1cone
pointmm
© EagleBurgmann
Set screws with
cone point
4 x offset by 90°
Product variants
HGH211
Dimensions, items and descriptions as HGH201. Item 1.2
driver collar is modified for securing on stepped shafts.
Unsplit as original equipment: Designation HGH210.
HGH300S1
Stationary design. For first fit the seals come with unsplit
sliding faces and O-rings. Seal face also available in
carbon graphite resin impregnated (B).
Dimensions on request.
VGH300S1
Fully split seal based on HGH. Stationary design with
rotating seat. To make a straightforward installation
possible, all parts of the seal are split.
l 11
l 33
3 x 120°
offset
4
8
9
3
6
5
h8
1.2
d11
d6
Ø
4
4
22
4
1
7
5
3
2
1
2
10
11
1
2
3, 4
5
6
HGH211 © EagleBurgmann
Dimensions in mm
d1
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
150
155
160
165
170
175
180
185
190
195
200
205
210
220
230
240
250
260
270
280
290
300
310
d11
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
150
155
160
165
170
175
180
185
190
195
200
210
220
230
240
250
260
270
280
290
300
d2
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
150
155
160
165
170
175
180
185
192
197
202
207
212
217
222
232
242
252
262
272
282
292
302
312
322
d3
95
100
105
110
115
120
125
130
135
140
145
150
155
160
165
170
175
180
185
190
195
200
205
210
215
220
225
230
235
240
245
255
260
270
280
290
300
310
320
330
340
350
360
d4
80.5
85.5
90.5
95.5
100.5
105.5
110.5
115.5
120.5
125.5
130.5
135.5
140.5
145.5
150.5
155.5
160.5
165.5
170.5
175.5
180.5
185.5
190.5
195.5
200.5
205.5
212.5
217.5
222.5
227.5
232.5
237.5
242.5
252.5
262.5
272.5
282.5
295.5
305.5
315.5
325.5
335.5
345.5
d5
89.6
94.6
99.6
104.6
109.6
114.6
119.6
124.6
129.6
134.6
139.6
144.6
149.6
154.6
159.6
164.6
169.6
174.6
179.6
184.6
189.6
194.6
199.6
204.6
209.6
214.6
224.6
229.6
234.6
239.6
244.6
249.6
254.6
264.6
274.6
284.6
294.6
307.6
317.6
327.6
337.6
347.6
357.5
d6
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
150
155
160
165
170
175
180
185
190
195
200
205
210
215
225
235
245
255
265
275
285
295
305
315
l1
95.3
95.3
95.3
95.3
95.3
95.3
95.3
95.3
95.3
95.3
95.3
95.3
95.3
95.3
95.3
95.3
95.3
95.3
95.3
95.3
95.3
95.3
95.3
95.3
95.3
95.3
104.2
104.2
104.2
104.2
109.2
109.2
109.2
109.2
109.2
109.2
109.2
109.2
109.2
109.2
109.2
109.2
109.2
l11
75.3
75.3
75.3
75.3
75.3
75.3
75.3
75.3
75.3
75.3
75.3
75.3
75.3
75.3
75.3
75.3
75.3
75.3
75.3
75.3
75.3
75.3
75.3
75.3
75.3
75.3
84.2
84.2
84.2
84.2
84.2
84.2
84.2
84.2
84.2
84.2
84.2
84.2
84.2
84.2
84.2
84.2
84.2
l3
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
72
72
72
72
77
77
77
77
77
77
77
77
77
77
77
77
77
HGH300S1-E1 © EagleBurgmann
Seal face
7
Seat
8
9
Adapter
Spring
10
Cover
11
l33
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
l4
18.8
18.8
18.8
18.8
18.8
18.8
18.8
18.8
18.8
18.8
18.8
18.8
18.8
18.8
18.8
18.8
18.8
18.8
18.8
18.8
18.8
18.8
18.8
18.8
18.8
18.8
26.4
26.4
26.4
26.4
26.4
26.4
26.4
26.4
26.4
26.4
26.4
26.4
26.4
26.4
26.4
26.4
26.4
l8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
38.0
38.0
38.0
38.0
38.0
38.0
38.0
38.0
38.0
38.0
38.0
38.0
38.0
38.0
38.0
38.0
38.0
R
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
Housing
Packing
Shaft sleeve
Shut down seal
Flange
f
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
8
8
8
8
8
8
8
8
8
8
8
8
1
2
3
Seal faceVGH300S1-E1 © EagleBurgmann
4
Seat
5
Adapter
Spring
Cover
mx
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M10
M10
M10
M10
M10
M10
M10
M10
M10
M10
M10
M10
M10
91
Mechanical seals · Mechanical seals for pumps · Gas-lubricated seals
GSO-DN
l1
l2
l3
l4
14
15
11
12
24
Barrier pressure: p3 = max. 25 bar (362 PSI)
Differential pressure: Δp= min. 3 bar (44 PSI)
Temperature: t = – 20 °C … +170 °C (– 4 °F … +338 °F)
(dependent on resistance of O-Rings)
Sliding velocity: vg = 16 m/s (52 ft/s),
with special design max. 25 m/s (82 ft/s)
Axial movement: ±0.2 mm
Materials
Seal faces: Carbon graphite (A)
Seat: Silicon carbide (Q1, Q2)
Secondary seals: FKM (V), EPDM (E), FFKM (K)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), Hastelloy® C-4 (M)
Dimensions in mm
GSO-DN/30-00-R
GSO-DN/33-00-R
GSO-DN/35-00-R
GSO-DN/43-00-R
GSO-DN/48-00-R
GSO-DN/50-00-R
GSO-DN/53-00-R
GSO-DN/60-00-R
GSO-DN/65-00-R
Other sizes on request.
92
d1
30
33
35
43
48
50
53
60
65
d2
46
49
51
63
69
70
73
85
90
d 3min. d 3max. l1
49
59
85
53
65
85.5
52
65
85.5
64
78
90.5
69
80
90.5
72
82
90.5
73
87
92.8
87
102
97.5
91
107
100.5
l2
55
55.5
55.5
57.5
57.5
57.5
57.8
60.5
59.5
l3
30
30
30
33
33
33
35
37
41
l4
39
39.5
39.5
41.5
41.5
41.5
41.8
44.5
43.5
da
104
122
124
138
145
147
148
157
178
a2
69.7
72.7
74.7
84.7
89.7
91.7
94.7
104
109
s
14
14
14
16
16
16
18
18
18
6
9
20
S
(dependent on shaft diameter and sliding materials)
8
a2
Product pressure: p1 = max. 22 bar (319 PSI),
Description
Seal face
O-Ring
Spring
Seat
Shaft sleeve
Flange
Gasket
Cover
Countersunk screw
Retaining ring
Pin
Ring
Set ring
Set screw
Pumping ring
V-Seal
Assembly fixture
5 18 7
45°
(other dimensions on request)
Item
1, 2
3, 4, 8, 10, 13
5, 6
7
9
11
12
14
15, 22, 25
16
17
18
19
20
21
23
24
19
4
45°
13
Features
• Seat rotating
• Stationary springs
• Double seal
• Balanced
• Standard version with V-grooves, U-grooves optional
(independent of direction of rotation)
• Gas-lubricated
•
Advantages
• Contact free operation
• Face-to-face
• Cartridge unit
• Does not open in the event of buffer pressure failure
• Self closing at pressure reversal
• No additional complex components to dissipate
frictional heat
•
Operating range (see note on page 1)
Shaft diameter: d1 = 30 … 75 mm (1.125" … 2,625")
3 1 16 17 10 2
h6
23
d1
min
d3
d2
max
d3
21 22
25
da
Seal cover
Recommended applications
GSO – D © EagleBurgmann
• Chemical industry
• Refining technology
• Gases and liquids
• Media which require high purity
• Environmental harmful media
• Blowers
• Fans
• Pumps
Mechanical seals · Mechanical seals for pumps · Gas-lubricated seals
EM300
l
l1
l2
0,5
Materials
Seal face: Special carbon
Seat: Silicon carbide (Q1, Q2)
Secondary seals: FKM (V)
Metal parts: 1.4401 (G)
Dimensions in mm
dmax.
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
d1
50
54
60
64
72
76
85
90
100
105
110
115
120
127
132
140
145
d2
40
46
51
56
63
68
76
82
90
93
99
104
111
117
120
129
132
d3
46
52
57
62
69
74
82
88
96
99
105
110
117
123
126
135
138
l
56
56
56
56
62
62
66
66
66
66
66
66
68
68
68
68
68
l1
27
27
27
27
31
31
33
33
33
33
33
33
35
35
35
35
35
l2
29
29
29
29
31
31
33
33
33
33
33
33
33
33
33
33
33
2
1.1 1.5
1.2
1.7
d h7
H7
d1
4
3
5
1.6
1.4
30
1.3
°
Standards and approvals
• API 682/ISO 21049
Recommended applications
• Chemical industry
• Refining technology
2
Item
1.1
1.2
EM300 © EagleBurgmann
1.3
1.4
1.5, 1.7, 4, 5
1.6
2
3
6
3
Features
• Balanced
• Independent of direction of rotation
• Stationary multiple springs
• API 682 arrangement 2 containment seal
•
Advantages
• Dry contact secondary seal
• Prevention of hazardous emissions
• Can be used as a secondary seal of tandem seal in liquid
applications
•
Operating range (see note on page 1)
Pressure: p = 2 bar (29 PSI) normal operation,
max. 60 bar (870 PSI)
Temperature: t = – 20 °C … +200 °C (– 4 °F … +392 °F)
Sliding velocity: vg = 25 m/s (82 ft/s)
6
d2
d3
min
30°
2
Description
Seal face
Adapter
Spring
Thrust ring
O-Ring
Retaining ring
Seat
Drive collar
Set screw
Product variant
Configuration example
in acc. with API 682 (1CW-FL)
EM300–45 Cartridge © EagleBurgmann
93
Mechanical seals · Mechanical seals for pumps · Gas-lubricated seals
CGSH-K
l1K
94
1
H8 4)
H11 3)
3
d6
d1
h6
Standards and approvals
• EN 12756
• API 682/ISO 21049
d2
d3
Materials
Seal face: Carbon graphite antimony impregnated (A),
Silicon carbide (Q2),
alternatively: Carbon graphite resin impregnated (B),
Silicon carbide (Q1)
Seat: Silicon carbide (Q1, Q2),
Silicon carbide (Q19, Q29) with seal face in Q1 resp. Q2
Metal parts: CrNiMo steel (G)
6
1
2)
* Depending on resistance of O-Rings
3 1)
R1,
>105: 2 mm x 30°
>105: 30°
3) d >105: + 0.1
1
4) d >105: H7
1
5) 3 x 120°
2) d
2
1.1
°
10
Features
• For stepped shafts
• Rotating spring
• Single or double seal available
• Balanced
• Standard version with U-grooves, V-grooves optional
(dependent of direction of rotation)
• Gas-lubricated
• Does not open in the event of buffer pressure failure,
• self closing at pressure reversal
•
Advantages
• Contact-free operation, no friction
• No differential pressure required with hard/soft material
combination
• Applicable as containment seal acc. to API 682
•
Operating range (see note on page 1)
Shaft diameter: d1 = 28 … 125 mm (1.10" … 4.92")
Pressure: p1 = 25 bar (363 PSI)
Temperature: t* = – 20 °C … +170 °C (– 4 °F … +338 °F)
Sliding velocity: vg = 4 … 25 m/s (13 … 82 ft/s)
1.6 5) 1.2
1) d
l6
l5
1.4 1.5 1.3
+0,5
d7
l7
l2
mx
f
CGSH – K © EagleBurgmann
Recommended applications
• Chemical industry
• Refining technology
• Gases and liquids (single seals only gas)
• Gases and liquids which must not get into the
atmosphere (dual seal)
• Gases not harmful to the enivronment (single seal)
• Fans
• Small steam turbines
• Blowers
• Roots compressors
• Pumps
Item
1.1
1.2
1.3
1.4
1.5
1.6
2
3
Part no. to DIN 24250
472
412.1
474
485
477
904
475.1
412.3
Description
Seal face
O-Ring
Thrust ring
Drive collar
Spring
Set screw
Seat
O-Ring
Product variants
CGSH-KD
Double seal back-to-back, buffered with gas, according to
API 682 configuration 3NC-BB, Plan 74.
Items, descriptions and unspecified dimensions as for
CGSH-K. .
Tandem arrangement acc. to API 682 3rd Edition
Configuration: 2CW-CS, Plan 72, 75, 76.
For media with a gaseous leakage. H75VN on the product
side. In case of a failure, the CGSH on the atmosphere
side, works as a liquid seal.
Pressure: p1 = … 22 bar (319 PSI),
p3 = … 25 bar (363 PSI)
(over the whole nominal diameter range, higher values
on request).
Differential pressure Δp = min. 3 bar (44 PSI)
Other operating limits as CGSH-K.
l 1'
F
GBI
74
CSV
76
GBI
72
l 4'
CSD
75
CGSH – KD © EagleBurgmann
Dimensions in mm
d1
28*
30*
32*
33*
35*
38*
40*
43*
45*
48*
50*
53*
55*
58*
60*
63*
65*
70*
75*
80*
85*
90*
95*
100*
105*
110*
115*
120*
125*
d2
33
35
38
38
40
43
45
48
50
53
55
58
60
63
65
68
70
75
80
85
90
95
100
105
115
120
125
130
135
d3
53
55
60
60
62
65
67
70
72
75
77
84
86
89
91
94
97
104
109
114
119
124
129
132
153
158
163
168
173
d6
37.0
39.0
42.0
42.0
44.0
49.0
51.0
54.0
56.0
59.0
62.0
65.0
67.0
70.0
72.0
75.0
77.0
83.0
88.0
95.0
100.0
105.0
110.0
115.0
122.2
128.2
136.2
138.2
142.2
d7
43.0
45.0
48.0
48.0
50.0
56.0
58.0
61.0
63.0
66.0
70.0
73.0
75.0
78.0
80.0
83.0
85.0
92.0
97.0
105.0
110.0
115.0
120.0
125.0
134.3
140.3
148.3
150.3
154.3
l1K
50.0
50.0
50.0
50.0
50.0
52.5
52.5
52.5
52.5
52.5
57.5
57.5
57.5
62.5
62.5
62.5
62.5
70.0
70.0
70.0
75.0
75.0
75.0
75.0
73.0
73.0
73.0
73.0
73.0
l1'
89
89
89
89
89
95
95
95
95
95
104
104
106
112
112
112
112
126
126
126
126
126
126
126
136
136
136
136
136
l2
20
20
20
20
20
23
23
23
23
23
25
25
25
25
25
25
25
28
28
28
28
28
28
28
32
32
32
32
32
l 4'
44.5
44.5
44.5
44.5
44.5
47.5
47.5
47.5
47.5
47.5
52.0
52.0
53.0
56.0
56.0
56.0
56.0
63.0
63.0
63.0
63.0
63.0
63.0
63.0
68.0
68.0
68.0
68.0
68.0
l5
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3.0
3.0
3.0
3.0
3.0
2.0
2.0
2.0
2.0
2.0
l6
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
10
10
10
10
10
l7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
–
–
–
–
–
f
mx
CGS-Tandem
© M6
EagleBurgmann
5
5
5
5
5
5
5
5
5
5
5
5
5
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
M8
* EN 12756
95
Mechanical seals · Mechanical seals for pumps · Gas-lubricated seals
HRGS-D
HRGS-DC
1.2 1.1.1
3
Features
• Double seal
• Balanced
• Standard version with U-grooves (bi-directional)
• Gas-lubricated
•
Advantages
• Contact-free operation
• Suitable for solids containing media
• Internally pressurized
• Cartridge unit
• Does not open in the event of buffer pressure failure,
self closing at pressure reversal
• HR principle with rotating seat
• No friction on the seal faces, no heat generated at the
seal or in the medium
•
Operating range (see note on page 1)
Shaft diameter: dw = 20 … 200 mm (0.787" … 7.874")
Pressure HRGS-DC: p1 = … 22 bar (319 PSI),
p3 = … 25 bar (362 PSI)
Pressure HRGS-DD: p1 = … 40 bar (580 PSI)
p3 = … 43 bar (624 PSI)
Operating temperature limits for:
EPDM – 20 °C … +140 °C (– 4 °F … +284 °F)
FFKM – 20 °C … +120 °C (– 4 °F … +248 °F)
FKM – 20 °C … +170 °C (– 4 °F … +338 °F)
Sliding velocity: vg = 4 … 25 m/s (13 … 82 ft/s)
Differential pressure Δp = min. 3 bar (44 PSI),
max. 16 bar (232 PSI) (internal pressure)
Materials
Product side (HRGS-DC, HRGS-DD):
Seal face: Silicon carbide (Q19, Q29)
Seat: Silicon carbide (Q1, Q2)
1.1.4
2.1.5
2.1.4
2.1.1
2.2
13
10
HRGS–D © EagleBurgmann
Recommended applications
• Chemical industry
• Refining technology
• Gases and liquids
• Media which require high purity
• Environmental harmful media
• Pumps
Product variants
HRGS-DC
Gas-buffered double seal. The HRGS-DC is designed
for applications involving fitting dimensions in line with
DIN 24960 C or ANSI Big Bore standard, but can also
be used even when the fitting dimensions are not of
standardized nature if large, open spaces are available
for installation. The CGSH is used as outboard seal up to
nominal width 125.
HRGS-DD
Acc. to API 682 configuration 3NC-FB, Plan 74. The
HRGS-DD corresponds to the HRGS-DC in terms of design
principal and materials. It is designed for applications
involving large shaft diameters of up to 200 mm (7.87")
or fairly high pressure levels of up to 40 bar (580 PSI).
The outboard seal used in such cases is the DGS.
Atmosphere side HRGS-DC:
Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B)
Seat: Silicon carbide (Q1, Q2)
HRGS-DD
Atmosphere side HRGS-DD:
Seal face: Silicon carbide (Q19, Q29)
Seat: Silicon carbide (Q1, Q2)
Springs: CrNiMo steel (G), Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), Hastelloy® C-4 (M)
HRGS–DD © EagleBurgmann
96
4
Item Part no. to DIN 24250
1.1.1 472.1
1.1.4 477
1.2
475.1
2.1.1 472.2
2.1.4 485
2.1.5 477
2.2
475.2
3
523
4
513
10
441
13
Dimensions
Dimensions on request
Description
Seal face
Spring
Seat
Seal face
Drive collar
Spring
Seat
Shaft sleeve
Insert
Housing
Assembly fixture
Mechanical seals · Mechanical seals for pumps · Gas-lubricated seals
NF992
l1
l3
l2
21 24
7 5 6 19 3 4 14 12 8 9 10 11 31
Recommended applications
• Chemical industry
• Refining technology
• Hazardous media
• Monomeres
• Monomere pumps
Dimensions in mm
d
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
d1
62
67
72
77
82
90
95
100
105
110
118
123
128
133
138
145
d2min
76
81
86
91
96
107
112
117
122
127
132
137
142
147
152
157
d3
118
118
128
138
138
164
164
178
193
193
208
208
218
218
228
228
l1
49
49
52
52
52
54
54
54
54
54
56
56
56
56
56
56
l2
31.5
31.5
32.5
32.5
32.5
34.5
34.5
34.5
34.5
34.5
34.5
34.5
34.5
34.5
34.5
34.5
l3
38
38
41
41
41
43
43
43
43
43
43
43
43
43
43
43
l4
76
81
86
91
96
107
112
117
122
127
132
137
142
147
152
157
d3
d1
h7
20
16
15 1 17 2 22 23 25 13 26 30
29
27
28
Description
Seal face
O-Ring
NF992 © EagleBurgmann
Thrust ring
Spring
Seat
Pin
Shaft sleeve
Labyrinth
Adapterhülse
Housing
Adapter
Retaining ring
HSH Cap screw
Seal cover
Clamping sleeve
Set screw
Assembly fixture
l5
Item
1,8
2, 7, 9, 14, 16, 17, 24, 25
3, 10
4, 11
5, 12
6, 13, 21, 27, 30
15
18
19
20, 26
22
23
28, 33
29
31
32
l4
Materials
Seal face: Silicon carbide (Q1), High density carbon graphite
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V)
Metal parts: 1.4401 (G)
d
d2
min
18
Features
• Cartridge
• Balanced
• Bi-directional
• Gas-lubricated, gas-buffered
•
Operating range (see note on page 1)
Pressure: p = vacuum … 16 bar ( … 232 PSI)
Temperature: t = – 20 °C … +160 °C (– 66 °F … +320 °F)
Sliding velocity: 20 m/s (66 ft/s)
Viscosity: … 300 mPa·s
Solids content: … 20 %
33
32
45°
NF992 © EagleBurgmann
l5
12
12
14
14
14
18
18
18
18
18
20
20
20
20
20
20
97
Mechanical seals • Agitator seals • Dry running seals
SeccoMix 1
d3
l2
l3
11
3
1
26
6
5
d1
h8
d2
d4
For applications beyond this range, please inquire.
* with cooling flange
98
Item
1
3
5
6
11
Description
Seal face with seal face housing
Drive collar
Flange
Seat with seat housing
Clamping ring
Options
• Without flange
• Cooling resp. heating flange
• Wear trap with flush
• Wear trap with flush and cooling / heating flange
See page 101.
Materials
Seal face: Carbon graphite, FDA conform
Seat: Silicon carbide, FDA conform
Secondary seals and metal parts according to application
and customer's specifications.
x
s
Features
• For top entry drives, on request side drive possible
• Dry-running
• Single seal
• Balanced
• Outboard mounted
• Multiple springs rotating
• Independent of direction of rotation
•
Advantages
• Available as semi-cartridge with or without basic flange
• Suitable for pressure reversal/vacuum operation
• Friction-locked connection to the shaft
• ATEX certification available on request
• Inherently safe, even without temperature monitoring
•
Operating range (see note on page 1)
Shaft diameter: d1 = 25 … 220 mm (0.98" … 8.66")
Pressure: p1 = vacuum … 6 bar (87 PSI)
Temperature: t1 = –20 °C … +150 (250*) °C
(–4 °F … +302 (482*) °F)
Sliding velocity: vg = 0 … 2 m/s (0 … 6 ft/s)
Axial movement: ±1.5 mm
Radial movement: ±1.5 mm
d5
a1
Standards and approvals
• FDA
• ATEX
Recommended applications
• Chemical industry
• Petrochemical industry
• Pharmaceutical industry
• Food and beverage industry
• Non-toxic media
• Agitators
• Mixers
• Reactors
Seal flange
SeccoMix © EagleBurgmann
Product variants
SeccoMix1-11
The SeccoMix1-11 is equipped in addition with a sleeve
for trapping any abraded particles from the seal face.
Contamination of the medium in the container is thus ruled
out. The sleeve can be cleaned through a flushing bore.
Please note: diameters (d2 to d5) increase to the next
possible design size.
Dimensions in mm
d1 (mm)
25
28
30
32
35
38
40
45
–
48
50
55
–
60
65
–
70
–
75
80
85
90
95
100
105
110
115
125
140
–
–
150
160
–
d1 (inch) d2
1.000 SeccoMix1–11
34 Flush
1.125
34
–
34
1.250
39
1.375
39
1.500
44
–
44
1.625
49
1.750
49
1.875
54
–
54
2.000
59
2.125
59
2.250
64
2.375
69
2.500
69
2.625
74
2.750
74
2.875
79
3.000
84
3.250
89
3.500
94
3.750
99
–
104
4.000
109
4.250
114
4.500
119
4.750
129
5.000
144
5.250
144
5.500
144
5.750
154
6.000
164
6.250
164
d3
d4
–
55
55
60
60
65
65
68
68
73
73
78
78
85
90
90
95
95
100
105
110
115
120
125
130
135
140
150
165
165
165
175
185
185
© 68
EagleBurgmann
68
68
73
73
78
78
83
83
88
88
93
93
98
103
103
108
108
113
118
123
128
133
138
143
148
153
163
178
178
178
188
198
198
d5
148
148
148
153
153
158
158
163
163
178
178
183
183
188
193
193
198
198
203
208
213
218
223
228
233
238
267
277
297
297
297
307
317
317
l2
41.5
41.5
41.5
41.5
41.5
41.5
41.5
41.5
41.5
41.5
41.5
41.5
41.5
41.5
44.5
44.5
44.5
44.5
44.5
44.5
44.5
44.5
44.5
44.5
44.5
44.5
44.5
44.5
44.5
44.5
44.5
44.5
44.5
44.5
l3
35
35
35
35
35
35
35
35
35
35
35
35
35
35
35
35
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
a1(min.)
100
100
100
105
105
110
110
115
115
125
125
130
130
135
140
140
145
145
150
155
160
165
170
175
180
185
196
206
221
221
221
231
241
241
a1(max.)
132
132
132
137
137
142
142
152
152
160
160
165
165
170
175
175
180
180
185
190
195
200
205
210
215
220
243
253
273
273
273
283
293
293
s
11
11
11
11
11
11
11
11
11
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
18
18
18
18
18
18
18
18
99
Mechanical seals • Agitator seals • Dry running seals
SeccoMix 481
l2
1)
d7 h6
Øa
l2
2xM1
G
34
L2
C
1
12
L1
lw
D
2xM2
For applications beyond this range, please inquire.
* with cooling flange
d2
2
l1
14
11
15
1,5
Features
• For top entry drives
• For steel vessels acc. to DIN resp. Non-DIN
• Nitrogen pressurized dual seal, single seal optional
• Balanced
• Independent of direction of rotation
• Multiple springs rotating
• Dry running
• Cartridge unit
•
Advantages
• Ready-to-fit and factory-tested unit
• With or without bearing available
• Suitable for pressure reversal e.g. in case of barrier
pressure failure
• No contamination of the product by barrier fluid
• Friction-locked connection to the shaft
• Connections to DIN 28138 standards or as required
(SeccoMix 451)
• ATEX certification available on request
•
Operating range (see note on page 1)
Shaft diamete: d1 = 40 … 200 mm (1.57" … 7.87")
Pressure: p1 = vacuum … 6 bar (87 PSI)
Temperature: t1 = –20 °C … +150 (250*) °C
(–4 °F … +302 (482*) °F)
Sliding velocity: vg = 0 … 2 m/s (0 … 6 ft/s)
1)
d1 h8
6
8,5
A
d0
30 °
d 4 h8
k
d
Item Description
1
Seal face, atmosphere side
2
Seal face, product side
6, 14, 15 O-Ring
11
Seat, product side
12
Seat, atmosphere side
34
Lip seal
Recommended applications
SeccoMix 481-D• Refining
© EagleBurgmann
technology
SeccoMix 481L-D• Petrochemical
© EagleBurgmann
industry
Materials
Seal face: Carbon graphite, FDA conform
Seat: Silicon carbide, FDA conform
Secondary seals and metal parts according to application
and customer's specifications.
• Chemical industry
• Pharmaceutical industry
• Food and beverage industry
• Agitators
• Mixers
• Reactors
Recommended seal supply
Gas supply EagleBurgmann GSS4015/A400-D0
for dual seals SeccoMix 481...D..
Standards and approvals
• FDA
• ATEX
• DIN 28138 (mechanical seals for agitator shafts)
• DIN 28136 T2 (steel vessels)
• DIN 28141 (flange connection for steel vessels)
• DIN 28154 (shaft end for steel vessels)
F, G
A
C
S
M1
B
M2
E, G, T
Supply connections
SeccoMix481 © EagleBurgmann
Designation and position acc. to DIN 28138 T3.
A
B
C
E
F
G
S
T
Barrier gas IN
Barrier gas OUT
Drainage
Cooling IN
Cooling OUT
Grease
Flush
Temperature metering
For reasons of standardization, the supply connections of
single seals are matched to those of the double seals.
100
SeccoMix 451
All types of the SeccoMix 481 range are also available for
unstepped shafts. Seal identification: SeccoMix 451…
Customized design or e.g. different torque transmissions
are available.
T-Shrink disk II © EagleBurgmann
Shrink disk
Clamping ring with pin
Drehmomentübertragung
Clamping ring
ls
Options
G
E
F
S
C
D
Kühlflansch
t max = 350 °C
Cooling
flange
(alternativ anwendbar als Heizflansch)
Can be
used alternatively as a heating flange.
Wear trap with flush.
© EagleBurgmann
CoolingKühlflansch
or heating flange
© EagleBurgmann
SeccoMix 481 © EagleBurgmann
SeccoMix 481L © EagleBurgmann
l5
Leakage drain or flush © EagleBurgmann
E
F
S
Polymerization barrier
Can be used alternatively as wear trap with flush.
Dimensions in mm
d1 1)
40
50
60
80
100
125
140
160
180
200
220
1)
2)
d7 1)
38
48
58
78
98
120
135
150
170
190
210
d
175
240
240
275
305
330
395
395
445
445
505
n x d2
4x18
8x18
8x18
8x22
8x22
8x22
12x22
12x22
12x22
12x22
16x22
d4
110
176
176
204
234
260
313
313
364
364
422
d0
90
135
135
155
190
215
250
265
310
310
340
k
145
210
210
240
270
295
350
350
400
400
460
L1
L2
Lw2)
l1
l2
87 Polymerisationssperre
136
143 © EagleBurgmann
15
28
89
149
148
17
28
93.5
156
158
17
28
104.5
189
168
20
34
109
190
178
20
34
110
205
203
20
40
124
222
208
20
40
127.5
219.5
213
25
40
132.5
230
233
25
45
137.5
237.5
243
25
45
149.5
249.5
263
25
50
S
a
122
157
168
203
228
268
285
297
332
352
381
Wear trap
Leckabzug und Kuehlflansch
with flush and cooling / heating flange.
M1
M12
M12
M12
M16
M16
M20
M20
M20
M24
M24
M24
M1
M16
M16
M16
M20
M20
M20
M20
M20
M20
M20
M20
A, BLeckabzug und Kuehlflansch © EagleBurgmann
G3/8
G3/8
G3/8
G1/2
G1/2
G1/2
G1/2
G1/2
G1/2
G1/2
G1/2
Shaft diameters d1 and d7 to DIN 28154
Shaft step to DIN 28154
101
Klemmring © EagleBurgmann
SeccoMix 481L
Single seal with integrated floating bearing.
Klemmring mit Stift © EagleBurgmann
Torque transmissions
Drehmomentübertragung
Product variants
SeccoMix 481
Single seal.
Mechanical seals • Agitator seals • Dry running seals
SeccoMix 461
l3
d7 h6
G
13
12
1
C
B
L2
l2
2xM1
l5
L1
6
2xM2
For applications beyond this range, please inquire.
* with cooling flange
d2
d1 h8
7
l1
14
11
15
15±0,1
Features
• For top entry drives
• For glass-lined vessels acc. to DIN resp. Non-DIN
• Dry running
• Nitrogen pressurized dual seal
• Balanced
• Multiple springs rotating
• Independent of direction of rotation
•
Advantages
• Ready-to-fit and factory-tested unit
• With or without bearing available
• Suitable for pressure reversal e.g. in case of barrier
pressure failure
• No contamination of the product by barrier fluid
• Friction-locked connection to the shaft
• Connections to DIN 28138 standards or as required
(SeccoMix 491)
• ATEX certification available on request
• The seal can be lifted off the glass-lined flange as a
complete cartridge. The sensitive glass-lined basic flange
remains mounted on the vessel.
•
Operating range (see note on page 1)
Shaft diameter: d1 = 40 … 200 mm (1,57" … 7,87")
Pressure: p1 = vacuum … 6 bar (87 PSI)
Temperature: t1 = –20 °C … +150 (250*) °C
(–4 °F … +302 (482*) °F)
Sliding velocity: vg = 0 … 2 m/s (0 … 6 ft/s)
7
2
l4
A
d8
d 4 f8H8
k1
d
Item Description
1
Seal face, atmosphere side
2
Seal face, product side
6, 7, 13, 14, 15 O-Ring
11
Seat, product side
12
Seat, atmosphere side
Recommended applications
• Refining technology
• Petrochemical industry
• Chemical industry
• Pharmaceutical industry
• Food and beverage industry
• Agitators
• Mixers
• Reactors
SeccoMix 461-D © EagleBurgmann
Materials
Seal face: Carbon graphite, FDA conform
Seat: Silicon carbide, FDA conform
Secondary seals and metal parts according to application
and customer's specifications.
Standards and approvals
• FDA
• ATEX
• DIN 28138 (mechanical seals for agitator shafts)
• DIN 28136 T3 (for glass-lined vessels)
• DIN 28137 T2 (flange connection for glass-lined vessels)
• DIN 28159 (shaft end for glass-lined vessels)
Recommended seal supply
EagleBurgmann GSS4015/A400-D0 for double seals
SeccoMix 461…D..
F, G
A
C
M1
M2
Options
• Cooling or heating flange
See page 101.
B
D
E, G, T
Supply connections
M 461 © EagleBurgmann
Designation and positions acc. to DIN 28138 T3.
A
B
C
E
F
G
S
T
102
Barrier gas IN
Barrier gas OUT
Drainage
Cooling IN
Cooling OUT
Grease
Flush
Temperature metering
Product variants
SeccoMix 461-D
Dual seal
d2
d5
2 x M2
l1
SeccoMix 461L-D
Dual seal with integrated floating bearing.
1
20 ±0,1
1,5
7
SeccoMix 491
Seal designation for adaptions beyond DIN
(e.g. unstepped shaft).
30°
d8
d6
k2
d4
k1
d
T-Shrink disk II © EagleBurgmann
Shrink disk
Dimensions in mm
d11)
40
50
60
80
100
100
125
140
160
160
160
1)
2)
d71)
38
48
58
78
98
98
120
135
150
150
150
Nominal size
40
50
60
80
100
100
125
140
160
160
161
Drehmomentübertragung
Clamping ring with pin
Flange size2)
E125
E200
E250
E300
E400
E500
E700
E700
E700
E900
E901
d
175
240
275
305
395
395
505
505
505
505
565
nxd2
4x18
8x18
8x22
8x22
12x22
12x22
4x22
4x22
4x22
4x22
4x26
d4
110
176
204
234
313
313
422
422
422
422
474
Klemmring © EagleBurgmann
Drehmomentübertragung
Torque transmissions
Klemmring mit Stift © EagleBurgmann
M461 © EagleBurgmann
Flange connections
acc. to DIN 28137 T2
for nominal diameters 125 … 161.
Clamping ring
nxd5
–
–
–
–
–
–
12x22
12x22
12x22
12x22
12x22
d6
–
–
–
–
–
–
320
320
320
320
370
d7
102
138
188
212
268
268
306
306
306
306
356
k1
145
210
240
270
350
350
460
460
460
460
515
k2
–
–
–
–
–
–
350
350
350
350
400
L1
142
147
158
170
177
177
208
223
228
228
228
L2
184
195
203
240
240
240
266
282
282
282
282
l1
25
25
25
30
30
30
30
30
30
30
30
l2
35
40
42
45
52
52
75
79
77
77
77
I3
28
28
28
34
34
34
40
40
40
40
40
l4
50
50
50
60
60
60
60
60
60
60
60
l5
50
50
60
60
60
60
80
80
85
85
85
M1
M12
M12
M12
M16
M16
M16
M20
M20
M20
M20
M20
M2
M16
M16
M20
M20
M20
M20
M20
M20
M20
M20
M20
A,B
G3/8
G3/8
G3/8
G1/2
G1/2
G1/2
G1/2
G1/2
G1/2
G1/2
G1/2
Shaft diameters d1 and d7 to DIN 28154
Shaft step to DIN 28154
103
Mechanical seals • Agitator seals • Dry running seals
SeccoMix R
l1
l3
l6
l5
SeccoMix R3
nxd 3
l4
Features
• For top, side and bottom entry drives
• Dry running
• Nitrogen pressurized dual seal
• Rotating seat at product side
• Balanced
• Independent of direction of rotation
•
Advantages
• Ready-to-fit and factory-tested units
• With or without bearing available
• Smooth surface, free of dead spaces
• No contamination of the product by barrier fluid
• Friction-locked connection to the shaft
• ATEX certification available on request
•
Operating range (see note on page 1)
Shaft diameter: d1 = 45 … 220 (300) mm
(1,77" … 8,66" (11.81"))
Pressure: p1 = vacuum … 6 bar (87 PSI)
Temperature: t1 = –20 °C … +150 °C (–4 °F … +302 °F)
Sliding velocity: vg = 0 … 2 m/s (0 … 6 ft/s)
3
1
d1
45
50
60
80
100
120
140
104
d
82.7
90.0
100.0
130.0
150.0
172.0
195.0
l1
43
43
43
46
49
49
49
d2
119.5
119.5
134.5
160.5
181.5
209.5
224.5
l3
13
13
14
15
12
12
12
d3
166
190
200
248
264
293
338
n x d3
8 x 13.5
8 x 17.5
8 x 17.5
8 x 17.5
8 x 22.0
8 x 22.0
12 x 22.0
l4
43.0
40.5
41.0
48.0
54.0
52.0
52.0
5
l8
SeccoMixR3L-D © EagleBurgmann
Item
1
2
3
4
5
6
Description
Seal face, product side
Seat, product side
O-Ring, dynamic
Seat, atmosphere side
O-Ring
Seal face, atmosphere side
Materials
Seal face: Carbon graphite, FDA conform
Seat: Silicon carbide, FDA conform
Secondary seals and metal parts according to application
and customer's specifications.
Options
• Axial bellows expansion joint (shaft movement)
• Scraper (shaft movement)
Dimensions in mm
4
l7
Standards and approvals
• FDA
• ATEX
For applications beyond this range, please inquire.
6
d1
d
d2
d3
2
l5
26.0
28.5
28.0
34.0
33.5
40.0
39.5
l6
103.0
110.0
118.0
133.0
145.0
148.0
160.5
l7
149.5
165.0
173.0
212.0
219.0
232.0
251.5
l8
26.0
28.5
28.0
34.0
33.5
40.0
39.5
Recommended applications
• Refining technology
• Petrochemical industry
• Chemical industry
• Pharmaceutical industry
• Food and beverage industry
• Agitators
• Mixers
• Kneaders
• Dryers
• Reactors
Recommended seal supply
Gas supply EagleBurgmann GSS4015/A400-D0
for double seals SeccoMix R.
Product variants
SeccoMix R3
Dual seal with solid seat and integrated floating bearing
d1 ≤140 mm (5,51"). As an option with fixed bearing or
without bearing available.
SeccoMix R5
Dual seal with „hook-sleeve“ and integrated floating
bearing d1 >140 mm (5,51"). As an option with fixed
bearing or without bearing available.
SeccoMixR5L-D © EagleBurgmann
Mechanical seals • Agitator seals • Dry running seals
AD510 / AD520
l3
l
l1
l2
± 0,3
A–M
5 ± 0,05
Features
• Dry running
• Single seal
• Independent of direction of rotation
•
Advantages
• AD510 includes housing
• Options: Cooling jacket on the flange side of the boiler
with carbon throttle and version with gas flushing and lip
seal.
•
Operating range (see note on page 1)
Vessel pressure: p = vacuum (7 mbara) … 5 bar (73 PSI)
Vessel temperature: t = –30 °C … +175 °C
(–22 °F … +347 °F)
Sliding velocity: vg = max. 1.0 m/s (3 ft/s)
Allowable gas consumption: 2 Nl/h
Dimensions in mm
d
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
120
130
140
150
160
170
180
d1
36
41
46
51
60
65
70
75
85
90
95
104
109
114
119
124
129
134
139
150
160
175
190
200
210
220
d2
42
47
52
57
66
71
76
81
91
96
101
110
115
120
125
130
135
140
145
160
170
185
200
210
220
230
d3
50
55
60
65
75
80
85
90
100
105
110
120
125
130
135
140
145
150
155
170
180
195
210
220
230
240
d4
70
75
80
85
95
100
105
110
120
125
130
140
150
155
160
165
170
175
180
200
210
225
240
250
260
270
d5
90
95
100
105
120
125
130
135
145
150
155
165
178
183
188
193
198
203
208
236
246
260
276
286
296
306
d6
46
51
56
61
70
75
80
85
92
97
102
109
114
120
124
130
134
140
146
160
170
180
200
210
220
230
d7
60
65
70
75
85
90
95
100
110
115
120
130
130
140
140
150
150
160
165
180
190
200
225
230
250
250
l
77
77
77
77
82
82
82
82
89
89
91
91
98
98
98
98
98
98
98
110
110
110
136
136
136
136
l1
44
44
44
44
47
47
47
47
51
51
51
51
57
57
57
57
57
57
57
63
63
63
85
85
85
85
d5
± 0,5
d4
d 3 H7
f7
d
l4
d2
h7
1
H7
2
H11
3
d6
d7
4
d1
AD510
AD520
l 6 ± 0,05
( l1 – 1 )
Item
1, 4
2
3
± 0,3
l7
l5
Recommended applications
• Chemical industry
• Pharmaceutical industry
AD510-AD520 © EagleBurgmann
• Food and beverage industry
• Reactors
Materials
• Polymerization agitators
• Mixers
Seal face: PTFE, Carbon fiber and glass fiber reinforced
Seat: Silicon carbide (Q), Aluminium oxide (V)
Product variant
AD520
l2
24
24
24
24
26
26
26
26
28
28
30
30
31
31
31
31
31
31
31
37
37
37
40
40
40
40
Description
O-Ring
Seat
Seal face
l3
11
11
11
11
12
12
12
12
12
12
12
12
15
15
15
15
15
15
15
20
20
20
20
20
20
20
l4
63
63
63
63
68
68
68
68
74
74
76
76
83
83
83
83
83
83
83
95
95
95
120
120
120
120
l5
20
20
20
20
22
22
22
22
24
24
26
26
27
27
27
27
27
27
27
33
33
33
36
36
36
36
l6
16
16
16
16
18
18
18
18
20
20
21
21
22
22
22
22
22
22
22
27
27
27
30
30
30
30
l7
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
A-M
4-M8
4-M8
4-M8
4-M8
4-M10
4-M10
8-M10
8-M10
8-M10
8-M10
8-M10
8-M10
8-M12
8-M12
8-M12
8-M12
8-M12
8-M12
8-M12
8-M16
8-M16
8-M16
8-M16
8-M16
8-M16
8-M16
105
Mechanical seals • Agitator seals • Gas-lubricated seals
AGSZ
1)
d7
h6
AGSZ481...
l3
l2
22
G
L1
1
A
2 x M2
* with cooling flange
Materials
Seal faces and seats: Silicon carbide, FDA conform
Secondary seals and metallic parts acc. to application and
customers' requirement.
Standards and approvals
• FDA
• ATEX
• DIN 28138 (mechanical seals for agitator shafts)
• DIN 28136 T2 (for steel vessels)
• DIN 28141 (flange connection for steel vessels)
• DIN 28154 (shaft end for steel vessels)
• DIN 28136 T3 (for glass-lined vessels)
• DIN 28137 T2 (flange connection for glass-lined vessels)
• DIN 28159 (shaft end for glass-lined vessels)
106
L2
6
11
d2
2
7
8,5
l1
17
1,5
Features
• For top entry drives
• Double seal
• Balanced
• Independent of direction of rotation
• Gas-lubricated
• Cartridge unit
•
Advantages
• Ready-to-fit and factory-tested unit
• Central rotating seat
• Torque transmission by clamping ring for large axial
movements
• Non-contacting operation
• No friction on the seal faces, no heat generated at the
seal or in the medium
• ATEX certification on request
•
Operating range (see note on page 1)
Shaft diameter: d1 = 40 … 220 mm (1.6" … 8.7")
Pressure p1 = vacuum … 6 bar (87 PSI),
Δp min. = 3 bar (44 PSI), p3 = 9 bar (131 PSI)
Temperature: t1 = 0 °C … +150 °C (+250*) °C
(+32 °F … +302 °F (+482*) °F)
Sliding velocity: vg = 0 … 5 m/s (0 … 16 fts), higher
velocities on request.
C
1)
h8
d1
d0
30 °
a
d4 e8
k
d
Item
1
2
6, 7
11
17
22
Description
Seal face, atmosphere side
Seal face, product side
O-Ring
Seat
Flange
Clamping ring
AGSZ © EagleBurgmann
Options
• Cooling resp. heating flange
• Flush
• Hygienic flange
Recommended applications
• Chemical industry
• Food and beverage industry
• Pharmaceutical industry
• Gases and liquids
• Media which require high purity
• Environmental harmful media with double seals
• Agitators
• Reactors
F, G
See page 113.
A
C
Recommended seal supply
Gas supply by EagleBurgmann GSS4015/A400-D0,
GSS4016/A250-D1 or GSS4016/A350-D1.
Note: To assure a sufficient supply of the mechanical seal,
pressure at entry of the supply system must be min. 3 bar
(44 PSI) above max. barrier pressure always.
M1
S
M2
E, G
Supply connections
AGSZ © EagleBurgmann
Designation and positions of supply connections,
pull-off and jacket threads acc. to DIN 28138 T3.
A
C
E
F
S
G
Barrier gas IN
Leakage
Cooling IN
Cooling OUT
Flush
Grease
Product variants
AGSZ481K(L)-D
Double seal (with integrated bearing) for steel vessels to
DIN 28136, connection flange to DIN 28141 and shaft
ends to DIN 28154.
AGSZ461K(L)-D
Double seal (with integrated bearing) for glass-lined
vessels to DIN 28136, connection flange to DIN 28137
and shaft ends to DIN 28159.
AGSZ451K(L)-D
Version with special connection dimensions or unstepped
shafts. For steel vessels.
AGSZ491K(L)-D
Variant with special connection dimensions for glass-lined
vessels.
d2
15 ±0,1
7 l1
2 x M2
G
C
d8
d4
H8
f8
k1
A
d
AGSZ461K(L)-D
Flanschanschluss
nach DIN 28137 T2
für Nenngrösse
40 bis 100.
AGSZ © EagleBurgmann
AGSZ461K(L)-D
AGSZ461 © EagleBurgmann
T-Shrink disk II © EagleBurgmann
Shrink disk
Clamping ring with pin
AGSZ481 – Dimensions in mm
d11)
d71)
d
n x d2
40
38
175
4 x 18
50
48
240
8 x 18
60
58
240
8 x 18
80
78
275
8 x 22
100
98
305
8 x 22
125
120
330
8 x 22
140
135
395
12 x 22
160
150
395
12 x 22
180
170
445
12 x 22
200
190
445
12 x 22
220
210
505
16 x 22
1) Shaft diameters d and d to DIN 28154
1
7
Drehmomentübertragung
Drehmomentübertragung
Torque transmissions
d4
110
176
176
204
234
260
313
313
364
364
422
d0
90
135
135
155
190
215
250
265
310
310
340
k
145
210
210
240
270
295
350
350
400
400
460
L1
81
82.5
78.5
94.5
95
95
97
97
–
–
–
Klemmring © EagleBurgmann
Flange connection acc. to DIN 28137 T2
for nominal diameters 125 … 161.
Klemmring mit Stift © EagleBurgmann
Flange connection acc. to DIN 28137 T2
for nominal diameters 40 … 100.
Clamping ring
L2
137
130.5
128
146
156.5
163.5
168.5
176.5
–
–
–
Lw1)
143
148
158
168
178
203
208
213
233
243
263
l1
15
17
18
20
20
20
20
25
25
25
25
l2
35
42
39
50
56.5
60
82
81
–
–
–
l3
28
28
28
34
34
39
41
41
–
–
–
a
122
155
176
203
228
268
285
302
332
352
–
M1
M12
M12
M12
M16
M16
M20
M20
M20
M24
M24
M24
M2
M16
M16
M16
M20
M20
M20
M20
M20
M20
M20
M20
A
G3/8
G3/8
G3/8
G1/2
G1/2
G1/2
G1/2
G1/2
G1/2
G1/2
G1/2
AGSZ461 – Dimensions in mm
Nominal Flange
d11)
d71)
size
size2)
40
38
40
E125
50
48
50
E200
60
58
60
E250
80
78
80
E300
100
98
100
E400
100
98
100
E500
125
120
125
E700
140
135
140
E700
160
150
160
E900
160
150
161
E901
1) Shaft diameters d and d to DIN 28159
1
7
2) Flange size to DIN 28137T2
d
175
240
275
305
395
395
505
505
505
565
n x d2
4 x 18
8 x 18
8 x 22
8 x 22
12 x 22
12 x 22
4 x 22
4 x 22
4 x 22
4 x 26
d4
110
176
204
234
313
313
422
422
422
474
n x d5
–
–
–
–
–
–
12 x 22
12 x 22
12 x 22
12 x 22
d6
–
–
–
–
–
–
320
320
320
370
d7
102
138
188
212
268
268
306
306
306
356
k1
145
210
240
270
350
350
460
460
460
515
k2
–
–
–
–
–
–
350
350
350
400
L1
142
147
158
170
177
177
208
223
228
228
L2
184
195
203
240
240
240
266
282
282
282
l1
25
25
25
30
30
30
30
30
30
30
l2
35
40
42
45
52
52
75
79
77
77
I3
28
28
28
34
34
34
40
40
40
40
l4
50
50
50
60
60
60
60
60
60
60
l5
50
50
60
60
60
60
80
80
85
85
M1
M12
M12
M12
M16
M16
M16
M20
M20
M20
M20
M2
M16
M16
M20
M20
M20
M20
M20
M20
M20
M20
A.B
G3/8
G3/8
G3/8
G1/2
G1/2
G1/2
G1/2
G1/2
G1/2
G1/2
107
Mechanical seals • Agitator seals • Gas-lubricated seals
AGSR
G
C
16
A
Features
• For top, bottom and side entry drives
• Double seal
• Balanced
• Stationary springs on product side
• Independent of direction of rotation
• Gas-lubricated
• Cartridge unit
•
Advantages
• Ready-to-fit and factory-tested unit
• Rotating seat at product side
• Torque transmission by clamping ring for large axial
movements
• Non-contacting operation
• No friction on the seal faces, no heat generated at the
seal or in the medium
• Sterile design available
• ATEX certification on request
•
Operating range (see note on page 1)
Shaft diameter: d1 = 20 … 200 mm (0.8" … 7.9")
Pressure: p1 = vacuum … 6 bar (87 PSI),
Δp min. = 3 bar (44 PSI), p3 max. = 9 bar (131 PSI)
Temperature: t1 = 0 °C … +150 °C (+32 °F … +302 °F)
Sliding velocity: vg = 0 … 5 m/s (0 … 16 ft/s)*
* Higher velocities on request.
15
9
B
10
6
1
7
8
Materials
AGSR3(L)-D
Seal faces and seats: Silicon carbide, FDA conform
Double seal (with floating bearing for the shaft) for sterile
Secondary seals and metallic parts acc. to application and
applications. The specific design free of dead spaces
customers' requirement.
with polished surfaces on the product side meets the
AGSR3 © EagleBurgmann
requirements for hygienic applications.
Recommended applications
• Chemical industry
Description
Item
1, 15
• Food and beverage industry
Seal face
Sealing ring
• Pharmaceutical industry
6
• Mixers
7, 9
Seat
• Dryers
8, 10, 16 O-Ring
• Special rotating equipment
Recommended seal supply
Dimensions
Gas supply by EagleBurgmann GSS4015/A400-D0,
GSS4016/A250-D1 or GSS4016/A350-D1.
Dimensions on request
Option
• Flush
Note: To assure a sufficient supply of the mechanical seal,
pressure at entry of the supply system must be min. 3 bar
(44 PSI) above max. barrier pressure always.
Standards and approvals
• FDA
• ATEX
G
A
C
M1
S
M2
G
C
Flushing the AGSR. Especially when the seal is operated
in lateral or bottom drives, an optional flush on the
product side enhancesSpuelung
operational
safety.
AGSR © EagleBurgmann
108
Supply connections
AGSR © EagleBurgmann
A
C
G
S
Barrier gas IN
Leakage
Grease
Flush
Product variants
AGSR5(L)-D
Double seal (with floating bearing for the shaft). If the seal
has to run in the product, please inquire.
G
C
T-Shrink disk II © EagleBurgmann
Shrink disk
Clamping ring with pin
Drehmomentübertragung
AGSR58 © EagleBurgmann
Klemmring © EagleBurgmann
Drehmomentübertragung
Torque transmissions
Klemmring mit Stift © EagleBurgmann
A
Clamping ring
109
Mechanical seals • Agitator seals • Liquid-lubricated seals
ERB
d6
d5
d = 50 … 100 mm
9
l2
l3
l2
l1
7
8
l1
5
6
l3
4
3
2
1
l4
d
ERC
ERB
d1
h6
d 2 H7
f7
d3
5
mxd 7
5
Features
• Cartridge unit
• Double seal with integrated bearing
• Unbalanced
• Independent of direction of rotation
•
Advantages
• Ready-to-fit and factory-tested units
• Available with or without bearing
• Suitable for standardizations
• Balanced seal can be applied at high pressure
•
Operating range (see note on page 1)
Pressure: p = vacuum … 10 bar (145 PSI)
Temperature: t = –30 °C … +200 °C (–22 °F … +392 °F)
Rotational speed: n = max. 200 min–1
Axial movement: max. 0.3 mm
±0,5
d4
d6
ERB – ERC 50–100 © EagleBurgmann
d5
Materials
Shaft diameter 50 … 100 mm:
Seal faces: Carbon graphite resin impregnated (B)
Seat: Silicon carbide (Q1), Tungsten carbide (U1),
Chromium oxide coated
d = 110 … 200 mm
Diameter 110 … 200 mm:
Seal faces: Silicon carbide (Q1), Tungsten carbide (U1),
Chromium oxide coated
Seats: Carbon graphite resin impregnated (B),
Silicon carbide (Q1), Tungsten carbide (U1)
9
Recommended applications
• Chemical industry
• Food and beverage industry
• Reactors
• Polymerization agitators
• Mixers
l3
3
2
1
l1
l2
l4
4
ERC
nxd 7
ERB
d1
h6
d2
H7
f7
d3
± 0,5
d4
110
l3
l1
d
5
Options
Cooling jacket on the vessel side flange. Please inquire.
l2
Description
O-Ring
Seat
Seal face
Shaft seal
7
8
5
Item
1, 4, 5, 8
2, 6
3, 7
9
5
6
ERB–ERC 110–200 © EagleBurgmann
Product variants
ERA
Double seal integrated shaft and bearing.
ERD
Single seal integrated shaft and bearing.
ERC
Double seal without bearing.
ERE
Single seal integrated bearing.
ERG
Double seal with integrated bearing.
For glasslined vessels.
Set screw with cone
point for diameter
d1 >120 mm and/
or vessel pressure
p >1 barg
Drive key
ERB – Dimensions in mm
d
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
d1
35
45
55
65
75
85
95
105
110
120
130
140
150
160
170
180
d2
135
145
155
165
175
185
205
215
225
235
280
290
300
310
320
330
d3
170
180
190
200
210
220
240
261
271
281
335
345
355
365
375
390
d4
195
205
215
225
235
245
265
289
299
309
375
385
395
405
415
430
ERC – Dimensions in mm
d
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
d1
35
45
55
65
75
85
95
105
110
120
130
140
150
160
170
180
d2
135
145
155
165
175
185
205
215
225
235
280
290
300
310
320
330
d3
170
180
190
200
210
220
240
261
271
281
335
345
355
365
375
390
Drive key © EagleBurgmann
Torque transmission
Set screw with cone point © EagleBurgmann
Torque transmissions
d4
195
205
215
225
235
245
265
289
299
309
375
385
395
405
415
430
T-ShrinkShrink
disk II © disk
EagleBurgmann
d5
61
75
85
95
105
115
125
135
145
159
169
179
189
199
209
219
d6
134
144
154
164
174
184
218
235
245
255
295
305
315
328
338
358
d7
14
14
14
14
14
14
14
19
19
19
23
23
23
23
23
23
l1
268
283
293
303
323
323
333
371
364
369
424
433
452
458
473
483
l2
237
252
262
272
287
287
291
309
322
322
377
386
400
406
416
426
l3
185
197
205
207
219
219
216
233
238
238
288
291
295
299
309
312
l4
30
30
30
30
30
30
30
35
35
35
45
45
45
45
45
45
d5
66
76
86
96
110
120
130
140
154
164
174
184
194
204
214
224
d6
134
144
154
164
174
184
218
235
245
255
295
305
315
328
338
358
d7
14
14
14
14
14
14
14
19
19
19
23
23
23
23
23
23
l1
162
175
186
186
198
198
200
217
222
222
261
263
263
263
273
277
l2
144
157
168
168
178
178
173
190
190
190
229
231
231
231
241
245
l3
30
30
30
30
30
30
30
35
35
35
45
45
45
45
45
45
n
8
8
8
8
8
8
8
12
12
12
12
12
12
12
12
12
n
8
8
8
8
8
8
8
12
12
12
12
12
12
12
12
12
Lagertyp
#7210ADB
#7212ADB
#7014ADB
#7016ADB
#7018ADB
#7020ADB
#7022ADB
#7024ADB
#7026ADB
#7028ADB
#7030ADB
#7032ADB
#7034ADB
#7036ADB
#7038ADB
#7040ADB
111
Mechanical seals • Agitator seals • Liquid-lubricated seals
M481
øa
G
lW
L1
Double seals:
Pressure: p1 = vacuum … 16 bar (232 PSI),
p3 = max. 18 bar (261 PSI)
Temperature: t1 = –40 °C … +200 (350*) °C
(–40 °F … +392 (662*) °F)
Sliding velocity: vg = 0 … 5 m/s (0 … 16 ft/s)
For applications beyond this range, please inquire.
* with cooling flange
Materials
Seal faces: Carbon graphite or Silicon carbide,
FDA conform
Seats: Silicon carbide, FDA conform
Secondary seals and metallic parts acc. to application and
customers' requirement.
112
B
d1 h8
d2
8,5
l1
2
14
11
15
1,5
Single seals:
Pressure: p1 = vacuum … 6 bar (87 PSI),
p3 = pressureless
Temperature: t1 = –40 °C … +150 (250*) °C
(–40 °F … +302 (482*) °F)
C
1)
7
A
2 x M2
Operating range (see note on page 1)
DIN 28138 T2
Shaft diameter: d1 = 40 … 220 mm (1.57" .... 8.66")
M481K(L)-D
L2
l2
2 x M1
13
12
1
6
Features
• For top entry drives
• Single or double seals
• Unbalanced
• Independent of direction of rotation
• Multiple springs rotating
• Liquid-lubricated
• Cartridge unit
•
Advantages
• Ready-to-fit and factory-tested units
• Available with or without bearing
• Suitable for standardizations
• Double seals can be applied at higher pressure and
rotating speed than specified by DIN
• Self-closing on product side
• ATEX certification on request
l2
1)
d7 h6
d0
30°
d4 e8
k
d
Item
1
2
6, 7, 13, 14, 15
11
12
M481KL – D © EagleBurgmann
Description
Seal face, atmosphere side
Seal face, product side
O-Ring
Seat, product side
Seat, atmosphere side
Standards and approvals
• FDA
• ATEX
• DIN 28138 (mechanical seals for agitator shafts)
• DIN 28136 T2 (for steel vessels)
• DIN 28141 (flange connection for steel vessels)
• DIN 28154 (shaft end for steel vessels)
Recommended seal supply
• Closed circuit EagleBurgmann TS system
• Open circuit EagleBurgmann SPA, EagleBurgmann SPN
Recommended applications
• Refining technology
• Petrochemical industry
• Chemical industry
• Pharmaceutical industry
• Food and beverage industry
• Agitators
• Reactors
F, G
A
C
S
M1
M2
B
D
E, G, T
Designation and position acc. to DIN 28138 T3.
M 481 © EagleBurgmann
A
B
C
D
E
F
G
S
T
Supply liquid IN
Supply liquid OUT
Drainage
Leakage drain
Cooling IN
Cooling OUT
Grease
Flush
Temperature metering
For reasons of standardization, the supply connections of
single seals are matched to those of the double seals (in
deviation from DIN 28138T3).
Product variants
M481K
Single seal
M481KL
Single seal with integrated floating bearing.
Operation of single seals only with pressureless quench.
M481K-D
Double seal
M481KL-D
Double seal with integrated floating bearing.
These seals are designed to be self-closing on the product
side, i.e. they will remain closed even with pressure
variations or a pressure reversal. Operation is optionally
the same as for the single version (pmax. = 6 bar (87 PSI)
or Δpmax. = 6 bar (87 PSI) at p1 > p3). In view of the
mechanical seal on the atmosphere side it can be used as
a buffer pressurized double seal p1 = 16 bar (232 PSI).
M451
All types of the M481 range available for unstepped shafts
(all diameters). Seal identification: M451 … Customized
design or e. g. different drives (torque transmissions) are
available.
M481K(L)
M481 © EagleBurgmann
Shrink disk
Drehmomentübertragung
Clamping ring with pin
Klemmring © EagleBurgmann
Drehmomentübertragung
T-Shrink disk II © EagleBurgmann
Options
Klemmring mit Stift © EagleBurgmann
Torque transmissions
Clamping ring
Flush
Spuelung © EagleBurgmann
E
F
l5
ls
Options
Kühlflansch
t max = 350 °C
Cooling
flange
als Heizflansch)
Can(alternativ
be usedanwendbar
alternatively
as a heating
flange.
Dimensions
in mm© EagleBurgmann
CoolingKühlflansch
or heating flange
© EagleBurgmann
d11)
40
50
60
80
100
125
140
160
180
200
220
1)
2)
1)
d7
38
48
58
78
98
120
135
150
170
190
210
d
175
240
240
275
305
330
395
395
445
445
505
n x d2
4 x 18
8 x 18
8 x 18
8 x 22
8 x 22
8 x 22
12 x 22
12 x 22
12 x 22
12 x 22
16 x 22
d4
110
176
176
204
234
260
313
313
364
364
422
D
D
E
F
D
Leckabzug
und Kuehlflansch
Leakage drain
with
cooling flange
Can be used alternatively as a flush or
as a heating flange.
Leakage
drain
Leckabzug
with
leakageanwendbar
drain als Spülung)
(alternativ
Can be
(canused
also bealternatively
used as a flush) as a flush.
Leckabzug und Kuehlflansch © EagleBurgmann
d0
90
135
135
155
190
215
250
265
310
310
340
k
145
210
210
240
270
295
350
350
400
400
460
Leakage
Leckabzug
drain or ©
flushEagleBurgmann
© EagleBurgmann
L1
87
89
93.5
104.5
109
110
124
127.5
132.5
137.5
149.5
L2
136
149
156
189
190
205
222
219.5
230
237.5
249.5
2)
Lw
143
148
158
168
178
203
208
213
233
243
263
I1
15
17
17
20
20
20
20
25
25
25
25
I2
28
28
28
34
34
40
40
40
45
45
50
a
122
157
168
203
228
268
285
297
332
352
381
M1
M12
M12
M12
M16
M16
M20
M20
M20
M24
M24
M24
M2
M16
M16
M16
M20
M20
M20
M20
M20
M20
M20
M20
Polymerization barrier
Can be used alternatively as a leakage
drain or a flush.
Polymerisationssperre © EagleBurgmann
A. B
G3/8
G3/8
G3/8
G1/2
G1/2
G1/2
G1/2
G1/2
G1/2
G1/2
G1/2
Shaft diameters d1 and d7 to DIN 28154
Shaft step to DIN 28154
113
Mechanical seals • Agitator seals • Liquid-lubricated seals
M461
l3
d7 h 6
G
2 x M2
Operating range (see note on page 1)
Shaft diameter: d1 = 40 … 160 mm (1.57" … 6.30")
Pressure: p1 = vacuum … 16 bar (232 PSI),
p3 = max. 18 bar (261 PSI)
Temperature: t1 = –40 °C … +200 (250*) °C
(–40 °F … +392 (482*) °F)
Sliding velocity: vg = 0 … 5 m/s (0 … 16 ft/s)
For applications beyond this range, please inquire.
* with cooling flange
Materials
Seal faces: Carbon graphite or Silicon carbide,
FDA conform
Seats: Silicon carbide, FDA conform
Secondary seals and metallic parts acc. to application and
customers' requirement.
114
7
2
7 l1
14
11
15 d h
1 8
d2
15 ±0,1
Features
• For top entry drives
• For glass-lined vessels
• Double seal, single seal on request
• Unbalanced
• Independent of direction of rotation
• Multiple springs rotating
• Liquid-lubricated
• Cartridge unit
•
Advantages
• Ready-to-fit and factory-tested unit
• Available with or without bearing
• Suitable for standardizations
• Double seals can be applied at higher pressure and
rotating speed than specified by DIN
• Self-closing on product side
• The seal can be lifted off the glass-lined flange as a
complete cartridge. The sensitive
• glass lined basic flange remains mounted on the vessel.
• ATEX certification on request
B
l5
A
C
l4
L1
13
12
1
6
L2
l2
2 x M1
d8
H8
d4 f8
k1
d
Item
1
2
6, 7, 13, 14, 15
11
12
Description
M461KL – D © EagleBurgmann
Seal face, atmosphere side
Seal face, product side
O-Ring
Seat, product side
Seat, atmosphere side
Standards and approvals
• FDA
• ATEX
• DIN 28138 (mechanical seals for agitator shafts)
• DIN 28136 T3 (for glass-lined vessels)
• DIN 28137 T2 (flange connection for glass-lined vessels)
• DIN 28159 (shaft end for glass-lined vessels)
Recommended seal supply
• Closed circuit EagleBurgmann TS system
• Open circuit EagleBurgmann SPA, EagleBurgmann SPN
Options
• Cooling resp. heating flange
• Leakage drain resp. flush
See page 113.
F, G
A
C
M1
M2
B
D
E, G, T
Supply connections
M 461 © EagleBurgmann
Designation and positions of screwed connections, pull-off
and jacket threads acc. to DIN 28138 T3.
A
B
C
D
E
F
G
T
Liquid IN
Liquid OUT
Drainage
Leakage drain
Cooling IN
Cooling OUT
Grease
Temperature metering
Recommended applications
• Petrochemical industry
• Chemical industry
• Pharmaceutical industry
• Food and beverage industry
• Agitators
• Reactors
Product variants
M461K-D
Double seal
d2
d5
2 x M2
l1
M461KL-D
Double seal with integrated floating bearing.
1
d6
k2
d4
k1
M491
All types of the M461 range available for unstepped shafts
(all diameters). Seal identification: M491… Customized
design or e.g. different drives (torque transmissions) are
available.
d
Dimensions in mm
d11)
d71)
40
50
60
80
100
100
125
140
160
160
160
38
48
58
78
98
98
120
135
150
150
150
1)
2)
Nominal
size
40
50
60
80
100
100
125
140
160
160
161
Drehmomentübertragung
Drehmomentübertragung
T-Shrink disk II © EagleBurgmann
Klemmring mit Stift © EagleBurgmann
M461 © EagleBurgmann
Flange connections
acc. to DIN 28137 T2
for nominal diameters 125 … 161.
Torque transmissions
Shrink disk
Clamping ring with pin
Flange
size2)
E125
E200
E250
E300
E400
E500
E700
E700
E700
E900
E901
30°
d8
Klemmring © EagleBurgmann
These seals are designed to be self-closing on the product
side, i.e. they will remain closed even with pressure
variations or a pressure reversal. Operation is optionally
the same as for the single version (pmax = 6 bar (87 PSI)
or Δpmax = 6 bar at p1 > p3). In view of the mechanical
seal on the atmosphere side it can be used as a buffer
pressurized double seal p1 = 16 bar (232 PSI).
20 ±0,1
1,5
7
M56K(L)-D
Double seal without/with floating bearing for PN 25
(Special seal on request).
Clamping ring
d
n x d2
d4
n x d5
d6
d8
k1
k2
L1
L2
l1
l2
I3
l4
l5
M1
M2
A,B
175
240
275
305
395
395
505
505
505
505
565
4 x 18
8 x 18
8 x 22
8 x 22
12 x 22
12 x 22
4 x 22
4 x 22
4 x 22
4 x 22
4 x 26
110
176
204
234
313
313
422
422
422
422
474
–
–
–
–
–
–
12 x 22
12 x 22
12 x 22
12 x 22
12 x 22
–
–
–
–
–
–
320
320
320
320
370
102
138
188
212
268
268
306
306
306
306
356
145
210
240
270
350
350
460
460
460
460
515
–
–
–
–
–
–
350
350
350
350
400
107
107
116
125
125
125
133
144
151
151
151
156
167
175
206
143
143
226
242
242
242
242
25
25
25
30
30
30
30
30
30
30
30
35
40
42
45
52
52
75
79
77
77
77
28
28
28
34
34
34
40
40
40
40
40
50
50
50
60
60
60
60
60
60
60
60
50
50
60
60
60
60
80
80
85
85
85
M12
M12
M12
M16
M16
M16
M20
M20
M20
M20
M20
M16
M16
M20
M20
M20
M20
M20
M20
M20
M20
M20
G3/8
G3/8
G3/8
G1/2
G1/2
G1/2
G1/2
G1/2
G1/2
G1/2
G1/2
Shaft diameters d1 and d7 to DIN 28159
Flange size to DIN 28137T2
115
Mechanical seals • Agitator seals • Liquid-lubricated seals
MR-D
l7
nxd5
Operating range (see note on page 1)
Shaft diameter: d1 = 35 … 140 (500) mm
(1.38" … 5.51" (19.68"))
Axial offset shaft/housing: d1 = 35 … 60 mm
(1.38" … 2.36"): max. ±1.5 mm
d1 >60 mm (2.36"): max. ±2.0 mm
Radial offset shaft/housing: max. ±0.3 mm
Pressure: p1 = vacuum … 14 (23) bar (203 (334 PSI))
p3 = max. 16 (25) bar (232 (363 PSI))
Δ p3–p1 = 2 …10 bar (29 … 145 PSI),
higher Δp on request
Temperature: t1 = -20 °C … +200 (300) °C
(–4 °F … +392 (572) °F)
Sliding velocity: vg = max. 10 (20) m/s (33 (66) ft/s)
For applications beyond this range and for values in brackets,
please inquire.
Standards and approvals
• FDA
Recommended seal supply
• Closed circuit: EagleBurgmann TS system,
EagleBurgmann DRU pressure booster
• Open circuit: EagleBurgmann SPA/SPN
116
B
2 3 1
6
G
4 5
d5
d6
d4
d3
d2 H7
d
d1 h6
> 50 h8
Features
• For top, side and bottom entry drives
• Seat at product side rotating
• Unbalanced
• Liquid-lubricated
• Double seal
• Independent of direction of rotation
• Cartridge unit
• With or without bearing available
• Shaft sleeve not in contact with product
•
Advantages
• Smooth surface, free of dead spaces
• CIP-/SIP (Cleaning in Place, Sterilization in Place)
capable
• Sliding materials FDA conform
• Variant for sterile applications available
• ATEX certification on request
l5
l4
C
l1
Item
1
2
3, 4
4
5
l3
A
l6
l8
Description
Seal face, product side
Seat, product side
O-Ring, dynamic
Seal face, atmosphere side
Seat, atmosphere side
Recommended applications
• Petrochemical industry
MR34-D20 © EagleBurgmann
• Chemical industry
• Pharmaceutical industry
• Food and beverage industry
• Mixers
• Dryers
Materials
• Mills
• Kneaders
Seal faces: Silicon carbide, FDA conform
• Reactors
Seat: Carbon graphite (atmosphere side) resp. Silicon
• Pressure filters
carbide (product side), FDA conform
Secondary seals and metallic parts acc. to application and
customers' requirement.
B, G
Options
• Cooling resp. heating flange
• Temperature sensor
• Axial expansion joint (shaft movement)
• Wiper ring (shaft movement)
• Metal-free on product side
Please inquire.
A, C
Supply connections
MR-D © EagleBurgmann
A Barrier fluid IN
B Barrier fluid OUT
C Drainage
G Grease
Drive key
Clamping set
Shrink disk
Clamping ring with pin
Drehmomentübertragung
Clamping ring
Special designs on request.
Dimensions in mm
d1
35
45
50
60
80
100
120
140
d
68.0
82.7
90.0
100.0
130.0
150.0
172.0
195.0
l1
41
41
41
42
46
46
46
46
d2
105.0
119.5
119.5
134.5
160.5
181.5
209.5
224.5
l3
15
15
15
15
15
15
15
15
d3
148
166
190
200
248
264
293
338
n x d5
8 x 13.5
8 x 13.5
8 x 17.5
8 x 17.5
8 x 17.5
8 x 22.0
8 x 22.0
12 x 22.0
d4
170
190
220
230
280
300
330
375
l4
35.5
43.0
40.5
41.0
48.0
54.0
52.0
52.0
d5
69
86
90
100
130
150
174
194
d6
118.5
138
158
168
208
223
253
288
l5
20.5
26.0
28.5
28.0
34.0
33.5
40.0
39.5
l6
97.0
103.0
110.0
118.0
133.0
145.0
148.0
160.5
l7
l8
141.0 30.5
149.5 34.5
165.0 28.5
173.0 28.0
212.0 34.0
219.0 33.5
232.0 40.0
251.5 39.5
117
Klemmring © EagleBurgmann
Drehmomentübertragung
T-Shrink disk II © EagleBurgmann
Klemmring mit Stift © EagleBurgmann
Torque transmission
Clampingset © EagleBurgmann
Torque transmission
Drive key © EagleBurgmann
Torque transmissions
Mechanical seals • Agitator seals • Liquid-lubricated seals
HSL-D
l3
HS-D
l3
HS-D
G
C
1
4
B
L1
L2
11
10
5
A
Features
• For top entry drives
• Double seal
• Unbalanced
• Independent of direction of rotation
• Multiple springs rotating
• Liquid-lubricated
• Cartridge unit
•
Advantages
• Ready-to-fit and factory-tested unit
• With or without bearing available
• Patented hydrodynamic grooves
• Designed for medium pressure range
• Connection dimensions to customers' requirements
• Self-closing on product side
• ATEX certification on request
Item
1
2
4, 5, 11, 12, 13
9
10
Operating range (see note on page 1)
Shaft diameter: d1 = 20 … 500 mm (0.79" … 19.69")
Pressure: p1 = vacuum … 30 bar (… 435 PSI)
Temperature: t = –40 °C … +200 (350*) °C
(–40 °F … +392 (662*) °F)
Sliding velocity: vg = 0 … 5 m/s (0 … 16 ft/s)
Materials
Seal faces: Carbon graphite or Silicon carbide,
FDA conform
Seats: Silicon carbide, FDA conform
Secondary seals and metallic parts acc. to application and
customers' requirement.
For applications beyond this range, please inquire.
* with cooling flange
Recommended seal supply
Open barrier fluid circuit
e. g. EagleBurgmann SPA, EagleBurgmann SPN
Standards and approvals
• FDA
Dimensions in mm
d1
40
50
60
80
100
120
140
160
180
200
118
d
200
230
255
295
315
345
380
440
475
465
n x d2
6 x 18
8 x 18
8 x 18
8 x 23
8 x 23
8 x 23
12 x 23
12 x 27
12 x 27
12 x 27
d3
80
100
120
145
170
190
215
240
260
290
k
170
200
225
260
280
310
345
395
430
420
L2
170
185
210
230
245
250
265
300
310
290
I3
35
35
35
44
44
50
50
50
55
55
I4
45
55
60
60
65
65
65
75
75
75
d2
d1 h8
h8
d3 e8
k
d
Description
Seal face, atmosphere side HS–D © EagleBurgmann
HS–LD © EagleBurgmann
Seal face, product side
O-Ring
Seat, product side
Seat, atmosphere side
Recommended applications
• Refining technology
• Petrochemical industry
• Chemical industry
• Pharmaceutical industry
• Reactors
• Agitators
• Special rotating equipment
L1
115
120
140
145
160
160
165
185
185
190
l4
2
12
9
13
Options
• Cooling resp. heating flange
• Leakage drain
• Flush
• Polymerization barrier
See page 113.
G, F
A
C
S
B
D
G, E
Supply connections
HS-D © EagleBurgmann
A
B
C
D
E
F
G
S
Barrier fluid IN
Barrier fluid OUT
Drainage
Leakage drain G1/8"
Cooling IN G3/8"
Cooling OUT G3/8"
Grease
Flush
Product variants
HS … -D
Double seal
HSL-D
Double seal with integrated floating bearing.
HS ..(L)U-D
Double seal for bottom and side entry drives with or
without floating bearing.
These seals are designed to be self-closing on the product
side, i.e. they will remain closed even with pressure
variations or a pressure reversal.
HSH-D
HSH(V)-DHSHL(V)-D
G
C
13
12
1
B
4
5
A
Depending on size, from 100 … 150 bar (1,450 … 2,175 PSI
executed as tandem seal (pressure reduction in 2 stages).
** with cooling flange
Standards and approvals
• FDA
Item
1
2
4, 5, 13, 14
11
12
Description
Seal face, atmosphere side
Seal face, product side
O-Ring
Seat, product side
Seat, atmosphere side
Materials
Seal faces: Carbon graphite, FDA conform
Seats: Silicon carbide, FDA conform
Secondary seals and metallic parts acc. to application and
customers' requirement.
Recommended applications
• Refining technology
• Petrochemical industry
• Chemical industry
• Pharmaceutical industry
• Reactors
• Agitators
• Special rotating equipment with top entry drive
Drehmomentübertragung
Torque transmission
Clampingset © EagleBurgmann
T-Shrink disk II © EagleBurgmann
Shrink disk
Options
• Cooling resp. heating flange
• Leakage drain
• Flush
• Polymerization barrier
See page 113.
G, F
Recommended seal supply
Open barrier fluid circuit
e. g. EagleBurgmann SPA, EagleBurgmann SPN
Torque transmissions (HS-D, HSH-D)
Clamping set
Dimensions
Dimensions on request
Clamping ring with pin
A
C
S
B
D
G, E
Supply connections
HS-D © EagleBurgmann
A
B
C
D
E
F
G
S
Barrier fluid IN
Barrier fluid OUT
Drainage
Leakage drain
Cooling IN
Cooling OUT
Grease
Flush
Drehmomentübertragung
*
14
Klemmring © EagleBurgmann
Operating range (see note on page 1)
Shaft diameter: d1 = 20 … 400 mm (0.79" … 15.75")
Pressure: p1 = vacuum … 250 bar (... 3,625 PSI)*,
p3 = p1 + 10 %
Temperature: t = –40 °C … +200 (350**) °C
(–40 °F … +392 (662**) °F)
Sliding velocity: vg = 0 … 5 m/s (0 … 16 ft/s)
11
Klemmring mit Stift © EagleBurgmann
Features
• For top entry drives
• Double seal
• Balanced
• Independent of direction of rotation
• Multiple springs rotating
• Liquid-lubricated
• Cartridge unit
•
Advantages
• Ready-to-fit and factory-tested unit
• With or without bearing available
• Patented hydrodynamic grooves
• Designed for high pressure range
• Connection dimensions to customers' requirements
• ATEX certification on request
2
Product variants
HSH(V)-D
Double seal
Clamping ring
HSH(V)L-D
Double seal with integrated floating bearing (axial thrust
bearing on request).
These seals are designed to be self-closing on the product
side, i.e. they will remain closedeven with pressure
variations or a pressure reversal.
119
Mechanical seals • Agitator seals • Liquid-lubricated seals
HSH(L)U-D
30
14
11
2
5
4
1
12
13
S
B
A
C
Features
• For bottom entry drives
• Double seal
• Balanced
• Independent of direction of rotation
• Multiple springs rotating
• Liquid-lubricated
• Cartridge unit
•
Advantages
• Ready-to-fit and factory-tested unit
• With or without bearing available
• Patented hydrodynamic grooves
• High pressure seal for customer-specific solutions
• Floating throttle on product side for protection of the seal
or for flush
• Connection dimensions to customers' requirements
• Self-closing on product side
• ATEX certification on request
G
Item
1
2
4, 5, 13, 14
11
12
30
Description
Options
Seal face, atmosphere sideHSHLU–D © EagleBurgmann
• Cooling resp. heating flange
Seal face, product side
• Shut-down seal
O-Ring
See page 113 and 121.
Seat, product side
Seat, atmosphere side
Throttle ring
Operating range (see note on page 1)
Shaft diameter: d1 = … 400 mm ( … 15.75")
Pressure: p1 = vacuum … 60 bar (870 PSI)
Temperature: t = –40 °C … +200 °C (–40 °F … +392 °F)
Sliding velocity: vg = 0 … 5 m/s (0 … 16 ft/s)
Materials
Seal faces: Carbon graphite, FDA conform
Seats: Silicon carbide, FDA conform
Secondary seals and metallic parts acc. to
application and customers' requirement.
For applications beyond this range, please inquire.
Recommended seal supply
Open barrier fluid circuit
e. g. EagleBurgmann SPA, EagleBurgmann SPN
Standards and approvals
• FDA
Recommended applications
• Refining technology
• Petrochemical industry
• Chemical industry
• Pharmaceutical industry
• Agitators
• Reactors
• Dryers
• Mixers
• Filters
• Special rotating equipment with bottom entry drive
Dimensions
Dimensions on request
120
Flush
Flush-HSHLU © EagleBurgmann
G
A
C
S
B
G
Supply connections
HSHLU-D © EagleBurgmann
A
B
C
G
S
Barrier fluid IN
Barrier fluid OUT
Drainage
Grease
Flush
Mechanical seals • Agitator seals • Shut-down seals
STD1
l –0,2
P4
R t <5
d3
d
max
d1
D
1
Advantages
If a STD is employed, it is possible to change seals with
the vessel loaded and under pressure (shaft must be
stationary!). Can be installed in each position. Installation
dimensions according to DIN 28138 Part 1 are possible.
Material properties have to be taken into account.
Operating range (see note on page 1)
Shaft diameter: d3 = 40 … 200 mm (1.57" … 7.87")
Pressure: p1 = 16 bar (232 PSI)
Temperature: t = +100 °C (+212 °F)
b
Recommended applications
• Chemical industry
• Pharmaceutical industry
• Agitators
Note
This seal can only be used if the product does not harden
STD1 © EagleBurgmann
or congeal during the shut down period or for sterile
operation (fermenting vessels). Not available in PTFE.
Elastomer sealing element (Item no. 1) with pneumatic or
hydraulic actuation (closing pressure p4 > p1).
Dimensions in mm
d3
40
50
60
80
100
125
140
160
180
200
D
76
84
95
118
138
160
180
200
215
240
d
42.5
52.5
62.5
82.5
102.5
127.5
143.5
163.5
183.5
203.5
d1
42
52
62
82
102
127
143
163
183
203
l
38.0
38.0
44.5
45.0
45.0
45.0
50.0
50.0
50.0
50.0
b
8
8
10
10
10
10
12
12
12
12
121
Mechanical seals • Compressor seals • Gas-lubricated seals
DGS
lB
l3
A
5 2
3 11
D
S
2
3
Ds3
DH
D3
10
C
B
1
4
7
6
8
1
4
9
Compressor seals of the DGS series are based on
a common technology and technical features, for instance
O-Rings as secondary sealing elements. The different
product variants are tailored to particular fields of
application. The advantage over other products on the
market is hidden in the detail. For example, the torque is
transmitted to the rotating seat by friction forces only. And
thus no holes and resulting weakening of the material are
needed.
Features
• Gas-lubricated
• Uni-directional or bi-directional
• Ready-to-fit cartridge unit
• Single, double, tandem and tandem with intermediate
labyrinth available
• Separation seals as labyrinths, radial clearance seals or
CobaSeal are optionally available
Advantages
• Wear-free and contact-free operation
• Self-cleaning 3D gas grooves
• High gas film stiffness
• Secure cupped retainer for seat
• Available in various materials for optimized chemical
resistance
• Proven, reliable and economical solution
Operating range (see note on page 1)
Shaft diameter: ds1 = 29 … 400 mm (1.14" … 15.75")
Pressure: p = 0 … 160 bar (2,320 PSI)
Temperature: t = –46 °C … +230 °C (–51 °F … +446 °F)
Sliding velocity: vg = up to 227 m/s (744 ft/s)
122
Materials
DGS Tandem seal with intermediate labyrinth
Seal face: Silicon carbide with DLC coating,
Application: where product leakage to the atmosphere is
Carbon graphite
unacceptable, e.g. H2, ethylene or propylene compressors.
Seat: Silicon carbide with DLC coating DGS Tandem mit Labyrinth
With©thisEagleBurgmann
type of seal, the product pressure to be sealed
Secondary seals: FKM
is reduced via the seal on the process side. The entire
Metal parts: 1.4006 or other stainless steels
process gas leakage is routed to the flare via connection
“B”. The bearing side seal is pressurized with secondary
Other materials on request.
seal gas (nitrogen) via connection “C”. The pressure of the
secondary seal gas ensures the flow through the labyrinth
Available also with EagleBurgmann DiamondFace
to the flare/tapping point.
technology.
A
Primary seal gas supply
Standards and approvals
B
Primary vent
• NACE
C
Secondary gas seal supply
S
Secondary vent
Recommended applications
D
Separation gas supply
• Oil and gas industry
Item Description
• Refining technology
• Petrochemical industry
1
Seal face, stationary
• Hydrocarbon gas
2
Seat, rotating
• Ammonia
3
Thrust ring
• Nitrogen
4
Spring
• Air
5
Shaft sleeve and seat retainer
• Centrifugal compressors
6
Intermediate sleeve and seat retainer
• Turbo expanders
7, 8 Housing (size matched to installation space)
• Blowers
9
Separation seal (CSR)
10
Labyrinth
11
Intermediate labyrinth
2
3
10
4
7
6
8 1
D1
Ds2
1
4
9
Product variants
DGS Tandem © EagleBurgmann
DGS32
Due to the cost effective design, simple components and a
hard/soft sliding material combination the DGS32 represents
a reliable and economical solution for applications with
partial contact of seal faces. This include, for example,
slow-roll and turning operation (steam turbine driven
compressors) or long and very frequent start/stop cycles.
Operating range
Shaft diameter: ds1 = 30 … 400 mm (1.18" … 15.75")
Pressure: p = 0 … 120 bar (0 … 1,740 PSI)
Temperature: t = –46 °C … +230 °C (–51 °F … +446 °F)
Sliding velocity: vg = 0 … 140 m/s (0 … 295 ft/s)
Materials
Seal face: Carbon graphite
Seat: Silicon carbide
Secondary seals: FKM or other elastomers
depending on product gas composition
Metal parts: 1.4006 or other stainless steels
eDGS–Tandem © EagleBurgmann
l1
5
2
Buffer gas supply
Seal gas supply
Vent
Separation gas supply
l4
lB
B
A
D
D
A
10
3
1
Ds1
3
2
5
DH
D2
10
lB
S
B
A
C
S
D
D4
l2
A
Seal gas supply
Vent
Separation gas supply
DGS Double seal
Application: where product leakage to the atmosphere/
flare is unacceptable or for low pressure applications.
Seal gas leakage into the product needs to be permitted
(seal gas pressure p3 > p1). This is used when a neutral
seal gas is available at the appropriate pressure.
Typical applications can be found in the chemical and
petrochemical industries, e.g. in HC gas compressors.
A seal gas, e.g. nitrogen at a pressure higher than the
product pressure, is supplied between the seals via
connection “C”. Part of the seal gas leakage dissipates to
the bearing side, while the other part goes to the product.
4
7
9
DGS–Single © EagleBurgmann
DGS20
Seals of the DGS20 series are the standard for medium
pressures up to 120 bar (1,740 PSI). They have proven
their suitability in thousands of applications worldwide. The
seals are very rugged and are based on a mature design
concept.
Operating range
Shaft diameter: ds1 = 40 … 280 mm (1.57" … 11.02")
Pressure: p = 20 … 120 bar (290 … 1,740 PSI)
Temperature: t = –46 °C … +230 °C (–51 °F … +446 °F)
Sliding velocity: vg = up to 227 m/s (744 ft/s)
Materials
Seal face: Silicon carbide with DLC coating
Seat: Silicon carbide with DLC coating
Secondary seals: FKM or other elastomers
depending on product gas composition
Metal parts: 1.4006 or other stainless steels
lB
C
2
4 3
S
D
3
2
5
Ds4
Primary seal gas supply
Primary vent
Secondary vent
Separation gas supply
A
B
D
DH
A
B
S
D
DGS Single seal
Application: where leakage of the product into the
atmosphere is not harmful, e.g. from air or nitrogen
compressors or the axial cavity does not allow a tandem
seal (e.g. geared compressors). This version allows
process gas leakage to the corresponding flare / vent
connection. Primary seal leakage is dissipated with the
separation gas to the vent. The gas to be sealed must also
be filtered and routed to the seal chamber via connection
“A”. The resulting flow from the sealed space to the
impeller side prevents contaminated / wet gas reaching
the Dry Gas Seal on the process gas side, e.g. towards the
labyrinth.
DH
Other available seal arrangements
DGS Tandem seal
Application: where no N2 is available and minimal process
gas leakage to the atmosphere is acceptable, e.g. gas pipeline
compressors. The seal on the bearing side is intended as a
safety seal. The tandem arrangement offers particularly good
operational safety. The process side and bearing side seals
are able to withstand the full pressure. In normal operation,
only the process side seal reduces the full pressure. The
space between the process side and bearing side seals is
routed to the flare via connection “B”. The pressure to be
sealed on the bearing side corresponds to the flare pressure.
There is thus very little leakage to the bearing side or to the
vent. If the primary seal fails, the secondary seal is activated
as a back-up and operates at primary seal conditions.
7
1
8
1
4
9
DGS double © EagleBurgmann
DGS21
Seals of the DGS21 series offer the lowest leakages of
the elastomer-based DGS platform. They are therefore
suitable for applications with high demands on low
leakage. As some parts of the high-pressure PDGS series
are used in the DGS21 series, the seal can be applied
up to a pressure of 160 bar (2,320 PSI).
Operating range
Shaft diameter: ds1 = 68 … 280 mm (2.68" … 11.02")
Pressure: p = 50 … 160 bar (725 … 2,320 PSI)
Temperature: t = –46 °C … +230 °C (–51 °F … +446 °F)
Sliding velocity: vg = up to 227 m/s (744 ft/s)
Materials
Seal face: Silicon carbide with DLC coating
Seat: Silicon carbide with DLC coating
Secondary seals: FKM or other elastomers
depending on product gas composition
Metal parts: 1.4006 or other stainless steels
123
Mechanical seals • Compressor seals • Gas-lubricated seals
PDGS
l3
A
5 2
D
S
C
3 11 2
4
DS3
DH
D3
10
B
lB
1
6 8
7
1
3
9
A well-established compressor seal for high pressure and
both low and high temperature applications. Innovative
design features allow it to cope with even the highest
pressures without problems. The application of U-cups and
special dynamic sealing elements opens up a wide range
of uses for this versatile and successful seal series.
Features
• Gas-lubricated
• Uni-directional or bi-directional
• Elastomer-free
• Ready-to-fit cartridge unit
• Single, double, tandem seal and tandem with
intermediate labyrinth available
• Separation seals as labyrinths, radial clearance seals or
CobaSeal are optionally available
Advantages
• Wear-free and contact-free operation
• Self-cleaning 3D gas grooves
• High gas film stiffness
• Secure cupped retainer for seat
• Available in various materials for optimized chemical
resistance
• Proven, reliable and economical solution
Operating range (see note on page 1)
Shaft diameter: Ds1 = 29 … 355 mm (1.14" … 13.98")
Pressure: p = 0 … 450 bar (0 … 6,525 PSI)
Temperature: t = –170 °C … +230 °C
(–274 °F … +446 °F)
Sliding velocity: vg = 0.6 … 200 m/s
(2 ft/s … 656 ft/s)
Standards and approvals
• NACE
Materials
PDGS Tandem seal with intermediate labyrinth
Seal face: Silicon carbide with DLC coating
Application: where product leakage to the atmosphere is
Seat: Silicon carbide with DLC coating
unacceptable, e.g. H2, ethylene or propylene compressors.
PDGS–Tandem mit Labyrinth
Secondary seals: Polymer rings
With©thisEagleBurgmann
type of seal, the product pressure to be sealed
Metal parts: 1.4006 or other stainless steels.
is reduced via the seal on the process side. The entire
process gas leakage is routed to the flare via connection
Other materials on request.
“B”. The bearing side seal is pressurized with secondary
seal gas (nitrogen) via connection “C”. The pressure of the
Available also with EagleBurgmann DiamondFace
secondary seal gas ensures the flow through the labyrinth
technology.
to the flare/tapping point.
Recommended applications
• Oil and gas industry
• Refining technology
• Petrochemical industry
• Hydrocarbon gas
• Ammonia
• Nitrogen
• Refrigerants
• Air
• Centrifugal compressors
• Turbo expanders
• Blowers
Main components of the dynamic secondary seal of the
PDGS are made of the extremely rigid material tungsten
PDGS Einzelheit
© EagleBurgmann
carbide which allows
an optimum
control of the extrusion
clearance over the full range of operation. The specific
design of the polymer cup seals ensures minimum sliding
forces combined with wear-free operation.
124
A
B
C
S
D
Primary seal gas supply
Primary vent
Secondary gas seal supply
Secondary vent
Separation gas supply
Item
1
2
3
4
5
6
7, 8
9
10
11
Description
Seal face, stationary
Seat, rotating
Thrust ring
Spring
Shaft sleeve and seat retainer
Intermediate sleeve
Housing (size matched to installation space)
Separation seal (CSR)
Labyrinth
Intermediate labyrinth
2
3
2
4
10
1
7
6
8 1
D1
DS2
5
D
S
DH
D2
10
B
l1
3
9
Product variants
PDGS –Tandem © EagleBurgmann
PDGS51
The PDGS51 was developed for use in extreme high
pressure applications. Adapted sliding faces and an
innovative design of the shaft sleeve allow pressures up
to 450 bar (6,525 PSI) and more. Most of these seals are
successful in use in compressors for gas injection.
Operating range
Shaft diameter: ds1 = 100 … 165 mm (3.94" … 6.49")
Pressure: p = up to 450 bar (6,525 PSI)
Temperature: t = –50 °C … +230 °C (–58 °F … +446 °F)
Sliding velocity: vg = 0,6 … 190 m/s (2 … 623 ft/s)
Materials
Seal face: Silicon carbide with DLC coating
Seat: Silicon carbide with DLC coating
Secondary seals: Polymer rings
Metal parts: 1.4006 or other stainless steels
lB
l4
10
4
7
9
PDGS–Single © EagleBurgmann
PDGS10
The PDGS10 is the standard seal for high pressures
up to 220 bar (3,191 PSI). Since many years the seal
demonstrates their reliability worldwide in a wide variety
of applications. It is characterized by very low leakage
and sets the standard in the market for low-emission
compressor gas seals.
Operating range
Shaft diameter: ds1 = 40 … 390 mm (1.57" … 15.35")
Pressure: p = 0 … 220 bar (725 … 3,191 PSI)
Temperature: t = –50 °C … +230 °C (–58 °F … +446 °F)
Sliding velocity: vg = up to 227 m/s (744 ft/s)
Materials
Seal face: Silicon carbide with DLC coating
Seat: Silicon carbide with DLC coating
Secondary seals: Polymer rings
Metal parts: 1.4006 or other stainless steels
lB
C
A
3
5 2
1
Buffer gas supply
Seal gas supply
Vent
Separation gas supply
D
B
A
DS1
A
lB
A
C
S
D
2
S
5
D
4
2
Ds4
l2
Seal gas supply
Vent
Separation gas supply
PDGS Double seal
Application: where product leakage to the atmosphere/
flare is unacceptable or for low pressure applications.
Seal gas leakage into the product needs to be permitted
(seal gas pressure p3 > p1). This is used when a
neutral seal gas is available at the appropriate pressure.
Typical applications can be found in the chemical and
petrochemical industries, e.g. in HC gas compressors.
A seal gas, e.g. nitrogen at a pressure higher than the
product pressure, is supplied between the seals via
connection “C”. Part of the seal gas leakage dissipates to
the bearing side, while the other part goes to the product.
DH
Primary seal gas supply
Primary vent
Secondary vent
Separation gas supply
A
B
D
DH
A
B
S
D
PDGS Single seal
Application: where leakage of the product into the
atmosphere is not harmful, e.g. from air or nitrogen
compressors or the axial cavity does not allow a tandem
seal (e.g. geared compressors). This version allows
process gas leakage to the corresponding flare / vent
connection. Primary seal leakage is dissipated with the
separation gas to the vent. The gas to be sealed must also
be filtered and routed to the seal chamber via connection
“A”. The resulting flow from the sealed space to the
impeller side prevents contaminated / wet gas reaching
the Dry Gas Seal on the process gas side, e.g. towards the
labyrinth.
D4
Other available seal arrangements
PDGS Tandem seal
Application: where no N2 is available and minimal process
gas leakage to the atmosphere is acceptable, e.g. gas
pipeline compressors. The seal on the bearing side is
intended as a safety seal. The tandem arrangement offers
particularly good operational safety. The process side and
bearing side seals are able to withstand the full pressure.
In normal operation, only the process side seal reduces
the full pressure. The space between the process side and
bearing side seals is routed to the flare via connection “B”.
The pressure to be sealed on the bearing side corresponds
to the flare pressure. There is thus very little leakage to
the bearing side or to the vent. If the primary seal fails, the
secondary seal is activated as a back-up and operates at
primary seal conditions.
7 3
1
8
1
3
9
PDGS double © EagleBurgmann
PDGS15
The PDGS15 series enable the sealing of very cold media
up to –200 °C (–328 °F). Therefore special, cold-resistant
steels are used. For years, these seals are successfully
used in LNG liquefaction plants, for example.
Operating range
Shaft diameter: ds1 = 40 … 390 mm (1.57" … 15.35")
Pressure: p = 0 … 50 bar (725 PSI)
Temperature: t = –200 °C … +230 °C
(–328 °F … +446 °F)
Sliding velocity: vg = up to 227 m/s (744 ft/s)
Materials
Seal face: Silicon carbide with DLC coating
Seat: Silicon carbide with DLC coating
Secondary seals: Polymer rings
Metal parts: 1.4006 or other stainless steels
125
Mechanical seals • Compressor seals • Gas-lubricated seals
MDGS
A
B
3
2
7 1
EagleBurgmann MDGS are rugged seals for screw
compressors. They have a rotating ring made from ductile
material with a high-performance coating. Rotating
rings are “in-situ shrouded”, making them practically
indestructible. The coating offers excellent wear resistance
in the low speed range (e.g. coast-down operation) in
which contact between the seal faces is unavoidable.
The stationary, spring-mounted system is optionally
available as a sub-cartridge in combination with
a rotating seat made from ductile material. A secondary
sealing function using O-rings allows it to be applied
as a component seal.
Features
• Gas-lubricated
• Bi-directional
• Compact, radial design
• Ready-to-fit cartridge unit, also available as
a component seal
• Single, double, tandem seal and tandem with
intermediate labyrinth available
Advantages
• Wear-free and contact-free operation
• Self-cleaning 3D gas grooves
• High gas film stiffness
• Fits into small spaces (e.g. process gas screw
compressors)
• Available in various materials for optimized chemical
resistance
• Proven, reliable and economical solution
Operating range (see note on page 1)
Shaft diameter: d1 = 48 … 200 mm (1.89" … 7.87")
Pressure: p = 0 … 50 bar (0 … 725 PSI)
Temperature: t = –20 °C … +200 °C (–4 °F … +392 °F)
Sliding velocity: vg = 0.6 … 200 m/s (2 … 656 ft/s)
126
4
5
10
6
D
S
C
4
2
8
1
3
9
Materials
Tandem seal with intermediate labyrinth
MDGS Tandem mit LabyrinthMDGS
© EagleBurgmann
Seal face: Carbon graphite
Application: where product leakage to the atmosphere is
Seat: Ductile stainless steel with DM-TiN coating
unacceptable, e.g. H2, ethylene or propylene compressors.
Secondary seals: FKM
With this type of seal, the product pressure to be sealed
Metal parts: 1.4006 or other stainless steels.
is reduced via the seal on the process side. The entire
process gas leakage is routed to the flare via connection
Standards and approvals
“B”. The bearing side seal is pressurized with secondary
• NACE
seal gas (nitrogen) via connection “C”. The pressure of the
secondary seal gas ensures the flow through the labyrinth
Recommended applications
to the flare/tapping point.
• Oil and gas industry
• Refining technology
A
Primary seal gas supply
• Petrochemical industry
B
Primary vent
• Hydrocarbon gas
C
Secondary gas seal supply
• Nitrogen
S
Secondary vent
• Air
D
Separation gas supply
• Centrifugal compressors
Item Description
• Dry process gas screw compressors
• Blowers
1
Seal face, stationary
2
Seat, rotating
3
Thrust ring
4
Spring
5
Adapter
6
Shaft sleeve, Intermediate sleeve
7, 8 Housing (size matched to installation space)
9
Carbon ring separation seal (CSE)
10
Intermediate labyrinth
Other available seal arrangements
MDGS Tandem seal
Application: where no N2 is available and minimal process
gas leakage to the atmosphere is acceptable, e.g. gas
pipeline compressors. The seal on the bearing side is
intended as a safety seal. The tandem arrangement offers
particularly good operational safety. The process side and
bearing side seals are able to withstand the full pressure.
In normal operation, only the process side seal reduces
the full pressure. The space between the process side and
bearing side seals is routed to the flare via connection “B”.
The pressure to be sealed on the bearing side corresponds
to the flare pressure. There is thus very little leakage to
the bearing side or to the vent. If the primary seal fails, the
secondary seal is activated as a back-up and operates at
primary seal conditions.
Primary seal gas supply
Primary vent
Secondary vent
Separation gas supply
A
B
S
D
5
2
7 1
4
5
4
2
6
8
1
1
3
A
C
S
D
Buffer gas supply
Seal gas supply
Vent
Separation gas supply
D
S
C
4
3
d2
3
2
MDGS Double seal
Application: where product leakage to the atmosphere/
flare is unacceptable or for low pressure applications.
Seal gas leakage into the product needs to be permitted
(seal gas pressure p3 > p1). This is used when a
neutral seal gas is available at the appropriate pressure.
Typical applications can be found in the chemical and
petrochemical industries, e.g. in HC gas compressors.
A seal gas, e.g. nitrogen at a pressure higher than the
product pressure, is supplied between the seals via
connection “C”. Part of the seal gas leakage dissipates to
the bearing side, while the other part goes to the product.
A
d1
A
B
S
D
MDGS Single seal
Application: where leakage of the product into the
atmosphere is not harmful, e.g. from air or nitrogen
compressors or the axial cavity does not allow a tandem
seal (e.g. geared compressors). This version allows
process gas leakage to the corresponding flare / vent
connection. Primary seal leakage is dissipated with the
separation gas to the vent. The gas to be sealed must also
be filtered and routed to the seal chamber via connection
“A”. The resulting flow from the sealed space to the
impeller side prevents contaminated / wet gas reaching
the Dry Gas Seal on the process gas side, e.g. towards the
labyrinth.
3
9
5
6
1
4
2
2
7
8
4
1
3
5
9
l
MDGS Tandem © EagleBurgmann
MDGS © EagleBurgmann
MDGS Dual © EagleBurgmann
127
Mechanical seals • Compressor seals • Gas-lubricated seals
5
7
1
4
3
6
ds
2
The gas seal for single-stage steam turbines. A metal
bellows allows it to work reliably even at high temperatures.
Any steam leakage that does occur will be just a fraction of
the leakage from carbon ring seals. This both saves energy
and improves the performance of the turbine. The bearing oil
is no longer contaminated by condensed steam, extending
the bearing life and reducing maintenance costs accordingly.
Features
• Gas-lubricated
• Uni-directional or bi-directional
• Elastomer-free, no dynamic O-ring
• Ready-to-fit cartridge unit
• Single seal available
Advantages
• Wear-free and contact-free operation
• Self-cleaning 3D gas grooves
• High gas film stiffness
• Extremely low steam leakage
• Bearing oil not contaminated with condensed steam
Operating range (see note on page 1)
Shaft diameter: ds = 40 … 140 mm (1.57" … 5.51")
Pressure: p = 0 … 10 bar (0 … 145 PSI)
Temperature: t = –50 °C … +450 °C
(–58 °F … +842 °F)
Sliding velocity: vg = 130 m/s (427 ft/s)
d1
TDGS
l1
Materials
Seal face: Carbon graphite
Seat: Silicon carbided
Standards and approvals
• NACE
Recommended applications
• Refining technology
• Petrochemical industry
• Power plant technology
• Single stage steam turbines
Item
1
2
3
4
5
6
7
Description
Seal face, stationary
Seat, rotating
Sleeve
Metal bellows cartridge unit
Shaft sleeve
Housing (size matched to installation space)
Clamping ring
TDGS © EagleBurgmann
One outstanding feature of the EagleBurgmann gas grooves
is its inclined bottom (picture: V-grooves, uni-directional).
The lack of sharp baffle
at the groove outlet allows
TDGSedges
© EagleBurgmann
dirt particles to be pulled through the sealing gap, reliably
avoiding any clogging and guaranteeing safe operation.
If deposits do build up in the sealing gap while the turbine is
idle, they are expelled once the machine is restarted.
128
Mechanical seals • Compressor seals • Gas-lubricated seals
NF941
l1
min
l2
min
A
Features
• Single seal with double seal function
• Non-contacting from static to high speed condition
• Balanced
• Bi-directional
• Stationary multiple springs
Advantages
• Wear-free and contact-free operation
• Prevents the ingress of foreign particles
Operating range (see note on page 1)
Pressure: p = 5 bar (73 PSI)
Temperature: t = –20 °C … +200 °C (–4 °F … +392 °F)
Sliding velocity: vg = 60 m/s (197 ft/s)
2
6
d1
min
15
max
12 10 8
Seals from the NF941 series are used in screw compressors
for special applications. They are hybrid seals that seal
both aerostatically and aerodynamically. The separation gas
is routed through holes in the stationary seal ring directly
between the seal faces, while the lift-off is caused by
specially designed gas grooves.
4
ds
1 3 11
d
ds
7
dm
d2
min
13
5 9 14
Materials
Item
Seal face: High-density carbon graphite
1
Seat: Ductile stainless steel with TiN-coating orNF941
silicon© EagleBurgmann
2, 3, 6, 8, 12, 13
carbide
4
Secondary seals: FKM
5
Metal parts: CrNiMo steel
7
9, 15
Recommended applications
10
• Process industry
11
• Single wafer cleaning systems
14
• Dry screw compressors
• Blowers
A
• Agitators
Description
Seal face
O-Ring
Spring
Adapter
Housing
HSH Cap screw
Seat
Shaft sleeve
Clamp sleeve
Seal gas supply
129
Mechanical seals • Compressor seals • Oil-lubricated seals
WRS
B
WRS
Double seal
3
13
2
2
1
6
7
3
6
The WRS is an oil-lubricated seal that safely seals
various types of compressors and organic media. With its
rugged design, low life-cycle costs and long service life,
the WRS can be found in thousands of applications. The
design is optimized by using the finite element method and
computational fluid dynamics.
Features
• Oil-lubricated
• Bi-directional
• Externally pressurized
• Ready-to-fit cartridge unit
• Single, face bushing and double seal available
• Suitable for high speed
• Hydrodynamic grooves for increased operating
capabilities and stabilized low leakage
Advantages
• Low oil consumption
• Rugged seat with bandage ensures reliable operation
• Wear-free operation by use of lift-off-design
• Does not open if oil pressure drops
Operating range (see note on page 1)
Shaft diameter: 30 … 300 mm (1.18 " … 11.81")
Pressure: p = … 50 bar (725 PSI)
Gas temperature: t = –20 °C … +200 °C
(–4 °F … +392 °F)
Sliding velocity: vg = 5 … 100 m/s (16 … 328 ft/s)
Oil viscosity: ISO VG up to 68
A
Materials
Item Description
WRS–double © EagleBurgmann
Seal face: Silicon carbide
1
Seat, rotating
Seat: Silicon carbide
2
Seal face, stationary
Secondary seals: FKM
3
Face housing
Metal parts: 1.4006 or other stainless steels
6
Spring
7
Shaft sleeve
Standards and approvals
13
Housing
• NACE
A
Oil IN
Recommended applications
B
Oil OUT
• Oil and gas industry
• Refining technology
• Petrochemical industry
• Refrigerants
• Screw compressors
• Centrifugal compressors
• Geared compressors
Product variants
WRS Single seal
WRS Single seal with face bushing
B
8 3
4
5
7
2
1
6
WRS20–E1 © EagleBurgmann
A
WRS10–ED1 © EagleBurgmann
130
Mechanical seals • Compressor seals • Oil-lubricated seals
EBU800
A
2.6 2.7 2.2 1.2 1.1
2.5 2.4 2.3
This special shaft seal is characterized by its
straightforward structure, compact length and quiet
running even under changing pressure conditions. It also
seals reliably at both high and low temperatures.
Features
• Oil-lubricated
• Double seal
• Balanced
• Bi-directional
• Stationary bellows (process side)
• Multiple springs (bearing side)
• Shrink-fit seat
• Double-pressure balanced
Advantages
• Suitable for high sliding velocities
• Seal does not open if oil pressure drops
• Rugged seat with bandage ensures reliable operation
• Compact design with few sealing components
Operating range (see note on page 1)
Shaft diameter: d = … 220 mm (8.66")
Pressure: (p2 – p1) = … 5 bar (73 PSI)
Sliding velocity: vg = 90 m/s (295 ft/s)
C
3.1 3.2 4
8 75
9
6
B
EBU800 © EagleBurgmann
Materials
Item
Bellows: AM350, Inconel® 718, Hastelloy®-C
1.1
1.2, 2.3, 3.2
Seal face: Special SiC, high-density carbon graphite
2.2, 3.1
Seat: Silicon carbide
2.4
Secondary seals: FKM (bearing side)
2.5
Metal parts: 1.4301, Carpenter® 42, Inconel® 718,
4
Hastelloy®-C
5
Recommended applications
2.6, 6
2.7
• Oil and gas industry
7
• Refining technology
8
• Petrochemical industry
9
A
B
C
Description
Seat
Retainer
Seal face
Bellows
Adapter
O-Ring
Spring
Housing
Damper
Retaining ring
Sleeve
Spacer
Oil IN
Oil OUT
Drain
131
Mechanical seals • Compressor seals • Separation seals
CSE
D
5
4
3
DN
d2
1
d S1
2
lb
The service-proven bearing oil seal with low gas
consumption. Non contact type carbon rings are segmented
rings held together by a garter spring at the outer diameter.
A defined minimum radial gap provides a contact- free
operation. Robust design and reliable operation provide
secure oil sealing even at extreme conditions.
Features
• Non-contact type separation seal
• Gas-lubricated
• Bi-directional
• Ready-to-fit cartridge unit
• Equipped with Espey carbon rings type WKA400
Advantages
• Low leakage
• Slow roll capability
• Insensitive to dry nitrogen
Operating range (see note on page 1)
Shaft diameter: 38 … 390 mm (1.50" … 15.35")
Design pressure: p = … 10 bar (145 PSI)
Operating pressure: p = 0.1 … 0.2 bar (1.45 … 2.90 PSI)
Temperature: t = –20 °C … +200 °C (–4 °F … +392 °F)
Sliding velocity: vg = 0 … 200 m/s (656 ft/s)
Dew point: No limitation
Materials
Item
Seal face: Carbon graphite impregnated CSE © EagleBurgmann
1
Secondary seals: FKM
2
Shaft sleeve: Stainless steel, TC-coated
3
Metal parts: 1.4006 or other stainless steels
4
5
Standards and approvals
D
• NACE
Recommended applications
• Oil and gas industry
• Refining technology
• Petrochemical industry
• Nitrogen
• Air
• Centrifugal compressors
• Turbo expanders
• Screw compressors
• Blowers
Description
Shaft sleeve
Segmented carbon ring
Garter spring
Housing of the standardized sub-cartridge
Housing (size matched to installation space)
Separation gas
FO
PI
PCV
D
Seal
Piping and instrumentation diagram of a CSE
(flow controlled separating gas supply).
Schaltplan CSE © EagleBurgmann
Project specific special designs possible.
1,600
50
1,400
1,200
40
800
30
600
20
400
10
200
0
0
50 75 100 125 150 175 200 225 250 275 300 325 350 375 400
2.0" 3.0" 3.9" 4.9" 5.9" 6.9" 7.9" 8.9" 9.8" 10.8" 11.8" 12.8" 13.8" 14.8" 15.7"
Nominal size DN (mm/inch)
Gas flow rate towards seal (required to ensure safe oil separation in every condition).
Valid for flow controlled separating gas supply.
GSE Gas consumtion © EagleBurgmann
132
scfm
Nl/min
1,000
Mechanical seals • Compressor seals • Separation seals
CSR
D
5
4
3
DN
d2
1
d S1
2
l b2
Lift-off type carbon ring seals feature very low gas
consumption for both dynamic and static operation modes.
In static operation the carbon segments will contact the
shaft reducing gas consumption to a minimum. In dynamic
operation, the profiled inner surface of the segmented ring
will ensure an aerodynamic lift-off at circumferential speeds
>10 m/s (33 ft/s). The segmented carbon rings float on
a very thin gas film of few µm.
Features
• Lift-off type separation seal
• Gas-lubricated
• Bi-directional
• Ready-to-fit cartridge unit
lb
Materials
Seal face: Carbon graphite impregnated
Secondary seals: FKM
Shaft sleeve: Stainless steel TC-coated
Metal parts: 1.4006 or other stainless steels
Item Description
1
Shaft sleeve
CSR © EagleBurgmann
2
Segmented carbon ring
3
Garter spring
4
Housing of standardized sub-cartridge
5
Housing (size matched to installation space)
D
Separation gas
Standards and approvals
• NACE
Advantages
• Very low leakage
• No increased leakage in static operation
Operating range (see note on page 1)
Shaft diameter: 38 … 360 mm (1.50" … 14.17")
Design pressure: p = 0.5 … 10 bar (7.25 … 145 PSI)
Operating pressure: p = 0.5 … 0.8 bar (7.25 … 11.60 PSI)
Temperature: t = –20 °C … +200 °C (–4 °F … +392 °F)
Sliding velocity: vg = 10 …140 m/s (33 … 459 ft/s)
Separation gas dew point at 0.8 bar (11.6 PSI):
t = –50 °C … –20 °C (–58 °F … –4 °F)
Recommended applications
• Oil and gas industry
• Refining technology
• Petrochemical industry
• Nitrogen
• Air
• Centrifugal compressors
• Blowers
PI
D
Seal
Piping and instrumentation diagram of a CSR (pressure
controlled separation gas supply).
60
2
40
p=0,8 barg
11,6 PSIG
30
1.5
1
scfm
Nl/min
50
20
10
0.5
50
2.0"
100
3.9"
150
5.9"
PCV
200
7.9"
250
9.8"
Product variant
PID CSR Schaltplan © EagleBurgmann
CSR version for dry nitrogen
The CSR separation seal is also available for operation
with very dry nitrogen with a dew point of at least –90 °C
(–130 °F). Newly developed carbon ring materials ensure
smooth operation even when the CSR is supplied with
very pure nitrogen, from e.g. cryogenic production. The
reliability of the system can be increased significantly as
a result.
300
11.8"
Nominal size DN (mm/inch)
Separating gas consumption (expected)
Gas: N2
CSR Gas consumtion
Inlet temperature: 20 °C (68 °F)
Static and dynamic operation
© EagleBurgmann
Guaranteed gas consumption = curve value x 2
133
Mechanical seals • Compressor seals • Separation seals
CobaSeal
D
3
6
Since it was launched on the market, this innovative sealing
solution has proven its worth worldwide in both first fit and
retrofit applications. It consists of a rotating seat made of
ductile material and a stationary, spring-loaded seal face.
The separation gas is routed through axial holes in the
stationary seal ring into the middle of the sliding face. It is
then divided in the sealing gap into two leakage flows which
are routed to the inner and outer diameters of the seal face.
Features
• Gas-lubricated
• Bi-directional
• Ready-to-fit cartridge unit
• Self cleaning 3D gas grooves
• Aerostatic and aerodynamic lift-off
Advantages
• Extremely low leakage
• Double arranged (co-axial) dry gas seal with just one pair
of seal faces
• Insensitive to oil contamination due to its special design
• Wear-free, non-contacting operation in all conditions
• Insensitive to radial vibrations due to axial sealing gap
• Slow-roll or turning operation capable (static lift-off)
• No limits regarding dew point of separation gas (silicon
carbide instead of carbon)
• Lower N2 consumption than any other system
• N2 can be switched off during standstill - the gap will
close and still provide the best oil sealing performance
• Best in class oil sealing by extremely small sealing gap
and sling effect of rotating ring
Operating range (see note on page 1)
Shaft diameter: 29.5 … 355 mm (1.16" … 13.97")
Design pressure (vent): p = 0 … 15 bar (0 … 218 PSI)
Operating pressure: p = 2.7 bar (39.16 PSI)
Temperature: t = –20 °C … +200 °C (–4 °F … +392 °F)
Sliding velocity: vg = 0 … 150 m/s (0 … 492 ft/s)
Dew point: No limitation
134
1 2
4 5
Materials
Seal face: Silicon carbide*
Seat: Ductile stainless steel*
Secondary seals: FKM
Metal parts: 1.4006
Item Description
1
Seal face, stationary
2
Seat, rotating
3
Thrust ring
CobaSeal © EagleBurgmann
4
Spring
5
Shaft sleeve and seat retainer
6
Housing (size matched to installation space)
* With special EagleBurgmann high performance iDLC
(in situ Diamond-Like-Carbon) coating
D
Separation gas
Standards and approvals
• NACE
Recommended applications
• Oil and gas industry
• Refining technology
• Petrochemical industry
• Nitrogen
• Air
• Centrifugal compressors
• Blowers
PI
D
PCV
p2
Seal
Piping and instrumentation diagram of a CobaSeal (pressure
controlled separating gas supply).
Alternative solution: Differential pressure control for safe
regulation of
separating
gas pressure
in any operating
PIDtheCSR
Schaltplan
© EagleBurgmann
condition.
8
5
A
B
2
1 6 3
4
D
11
7 14
9 10
12 13
Option
Item Description
DGS Single CobaSeal 1,©9 EagleBurgmann
Single DGS + CobaSeal = Tandem seal
Seal face, stationary
The CobaSeal is not just an excellent separation seal.
2, 10 Seat, rotating
It can also be used as a true back-up seal for greater
3, 11 Thrust ring
safety. A DGS-CobaSeal tandem arrangement can be
4, 12 Spring
operated at sealing pressures up to 20 bar (290 PSI).
5, 13 Shaft sleeve
It does not need an intermediate labyrinth with N2 supply
6
Adapter sleeve
7, 14 Housing
and existing single seals can be simply retrofitted, thus
8
Labyrinth
benefitting from increased operational safety.
The single DGS + CobaSeal combination is also shorter
than conventional tandem seals with separation seal
and costs can be saved on the gas supply system in low
pressure applications.
135
136
136
2
Magnetic couplings
Uncompromising sealing technology for very demanding
applications. Hermetically sealed magnetic couplings
guarantee leakage-free and maintenance-free pumping
and mixing. The media remains within closed system
circulation loops.
Couplings
MAK66. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
MAK685 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
NMB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
SMAK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Bearings
LMF1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
137
Magnetic couplings • Couplings
S1
m
2
4
1.1 1.2
M6
4 x 90°
MAK66
10
h
3.2
min 2,5
Advantages
Magnetic coupling for standard applications
Hermetically sealed
No contact of torque transmitting elements
No maintenance necessary
Hastelloy® can for high performance
High efficient can optional
Product lubricated sliding bearing included
Functional description
The power transmission occurs contact-free through
magnets from the drive shaft to the product-wetted output
shaft. Between the two rotating parts is the can wich is
bolted to the container.
Operating range (see note on page 1)
Shaft diameter: d = … 40 mm (1.57")
Pressure: p = 25 bar (363 PSI)
Temperature: t = –40 °C … +250 °C
(–40 °F … +482 °F) (SmCo),
+120 °C (+248 °F) (NdFeB)
Speed: n = 3,600 min–1
Chemical resistance: pH 0 … 14
Viscosity: 0.3 … 5,000 mPas (SiC)
Torque: max. 462 Nm
Solids: max. 0.1 mm; max. 5 % by weight;
grain hardness max. 700 HV
Materials
Sliding faces: Silicon carbide SiC (Q1), Carbon silicon
inpregnated SiC-C-Si (Q3), Carbon graphite resin
impregnated (B)
Magnets: Samarium-Cobalt (MA3),
Neodymium-Iron-Boron (MA8)
Metal parts: CrNiMo steel 1.4571 (G), CrNiMo steel
1.4462 (G1), Hastelloy® C-4 2.4610 (M))
138
c
W
3.1
6
3.4 3.3
l1
v
Ø
a
Features
Magnetic couplings (MAK) are a hermetic sealing solution
for pumps and agitators. Dangerous or precious media
remain isolated in the closed system circuit.
6
2 x 180°
b
L
Item
1
1.1
1.2
2
3
3.1
3.2, 3.3
3.4
4
Description
Coupling
Inner rotor
Outer rotor
Can
Bearing assembly
Radial journal bearing
Axial journal bearing
Shaft sleeve
HSH Cap screw
Recommended applications
• Chemical industry
• Oil and gas industry
• Refining technology
• Pharmaceutical industry
• Food processing industry
• Centrifugal pumps
• Gear pumps
• Top drive mixers/agitators
• Fans
• Blowers
• Autoclaves
MAK66 © EagleBurgmann
Product variants
Different variants are available to meet specific
requirements:
• Coolable or heatable bearing arrangements
• Vertical drive with dry running roller bearing
• High temperature variant
• Without bearing
Can variants:
• Double wall
• High pressure can
• Ceramic, PEEK carbon fiber, Titanium cans
Ceramic and PEEK carbon fiber cans
d 11
f7
1
k2
l
h6
e
d 10
l2
5
d7
h6
d5
Ø
d6
H7
d3
k3
f7
k1
DN
d2
5
3
Static break-away torque (Nm)
DN
60
No. of poles
8
Material
MA3
2 6.5
Magnet 4 14.5
length
6 22
in cm
8
10
MA8
9
20
31
75
10
MA3
9
21
34
MA8
13
29
48
110
16
MA3
24
53
85
135
20
MA3
MA8
33
74
119
c
4
4
4
5
e
8
11
11
12
165
24
MA3
MA8
MA8
85
128
176
119
180
247
115
185
260
330
160
259
364
462
m
13
13
14
16
k1
100
133
158
192
s1
9
9
9
11
Outer rotor
d10
d11
90
110
125
145
150
170
178
198
V
0
4
4
5
W
5
5
5
8
k2
100
135
160
188
l1
103
128.5
138.5
169.5
l2
29
20
20
30
h
7
8
8
10
k3
55
87
87
103
l
16
22
22
32
t
18
35
35
46
u
5
10
10
12
Static break-away torque (Nm) at room temperature.
Magnet material: MA3 = SmCo, MA8 = NdFeB
Dimensions in mm
DN
75
110
135
165
LK
2-6
2-6
4-8
4-10
L
119
146
156
187
DN
75
110
135
165
DNL
22
43
43
55
d3
44
75
75
92
Can
a
DN
d2
75
118
17
110
153
31
135
178
17
163.5 218
17
Bearing arrangement
d5
d6
b
16.5 15.8 21
32.5 31.5 26
32.5 31.5 26
40.5 39.5 27
d7
16
32
32
40
139
Magnetic couplings • Couplings
S1
m
4
1.1 1.2
2
M6
4 x 90°
MAK685
10
h
3.2
a
Features
Magnetic couplings (MAK) are a hermetic sealing solution
for pumps and agitators. Dangerous or precious media
remain isolated in the closed system circuit.
c
Advantages
• Magnetic coupling for applications acc. to API 685
(similar to API 610)
• Hermetically sealed
• Single seal
• No contact of torque transmitting elements
• No maintenance necessary
• Hastelloy® can for high performance
• High efficiency can optional
• Product-lubricated sliding bearings included
Item
1
1.1
1.2
2
3
3.1
3.2, 3.3
3.4
4
Functional description
The power transmission occurs contact-free through
magnets from the drive shaft to the product-wetted output
shaft. Between the two rotating parts is the can wich is
bolted to the container.
Materials
Sliding faces: Silicon carbide SiC (Q1),
Carbon silicon inpregnated SiC-C-Si (Q3)
Carbon graphite resin impregnated (B)
Magnets: Samarium-Cobalt (MA3),
Neodymium-Iron-Boron (MA8)
Metal parts: CrNiMo steel 1.4571 (G), CrNiMo steel
1.4462 (G1), Hastelloy® C-4 2.4610 (M)
Operating range (see note on page 1)
Shaft diameter: d = … 40 mm (1.57")
Pressure: p = 40 bar (580 PSI)
Temperature: t = –40 °C … +250 °C
(–40 °F … +482 °F) (SmCo),
+120 °C (+248 °F) (NdFeB)
Speed: n = 3,600 min–1
Chemical resistance: pH 0 … 14
Viscosity: 0.3 … 5,000 mPas (SiC)
Torque: 434 Nm
Solids: max. 0.1 mm; max. 5 % by weight;
grain hardness max. 700 HV
LK
2-6
2-6
4-8
4-10
L
119
156
156
198.5
DN
75
110
135
165
DNL
22
43
43
55
d3
44
75
75
92
140
Can
a
DN
d2
75
118
17
110
168
31
135
188
17
163.5 218
17
Bearing arrangement
d5
d6
b
16.5 15.8 21
32.5 31.5 26
32.5 31.5 26
40.5 39.5 27
• Oil and gas industry
• Refining technology
• Centrifugal pumps
Product variants
• Different variants are available to meet specific
requirements:
• High temperature variant
• High pressure can
• PEEK carbon fiber can
PEEK carbon fiber can
c
4
4
4
5
m
13
22
20
22
k1
100
133
158
192
s1
9
13.5
11
11
Outer rotor
d10
d11
90
110
125
145
150
170
178
198
V
0
4
4
5
W
5
5
5
8
k2
100
135
160
188
e
8
11
11
12
l1
103
128.5
138.5
169.5
l2
29
20
20
30
h
7
8
8
10
k3
55
87
87
103
l
16
22
22
32
t
18
35
35
46
u
5
10
10
12
d7
16
32
32
40
6
MAK685 © EagleBurgmann
Recommended applications
Standards and approvals
• API 685
Dimensions in mm
DN
75
110
135
165
Description
Coupling
Inner rotor
Outer rotor
Can
Bearing assembly
Radial journal bearing
Axial journal bearing
Shaft sleeve
HSH Cap screw
w
3.1 3.4 3.3
l1
Ø 6
2 x 180°
b
d 11
f7
1
k2
l
h6
e
d7
l2
5
d 10
h6
d5
Ø
d6
H7
d3
k3
f7
DN
k1
d2
5
3
NMB
a
Item
1.1
1.2
1.3
Functional description
The power transmission occurs contact-free through
magnets from the drive shaft to the product wetted output
shaft. Between the two rotating parts is the can wich is
bolted to the container.
Break-away torque (Nm)
Standards and approvals
• API 685
l
m
10,5
k
1.3
Advantages
• Magnetic coupling for applications acc. to API 685
(similar to API 610)
• Hermetically sealed
• No contact of torque transmitting elements
• No maintenance necessary
• High efficiency can (insulated rings and slotted outer
can) for lowest eddy current losses (approx. 2 % of
motor power)
• Increased safety and energy savings compared to solid
Hastelloy® cans
• Sliding bearing optional
Materials
Magnets: Samarium cobalt (MA3),
Neodymium iron boron (MA8)
Metal parts: CrNiMo steel 1.4401/1.4436,
PTFE Polytetrafluoroethylene (T)
e
Ø 8
Features
The NMB series is used successful in many applications
worldwide. The can is made from PTFE-seal insulated
rings and a slotted outer can, which reduces EC-losses to
a minimum. They are designed for increased safety and
energy savings. Thus they can handle large motor torques,
high speed and high pressure.
Operating range (see note on page 1)
Pressure: p = 45 bar (653 PSI)
Shaft diameter: d = … 40 mm (1.57")
Pressure: p = 40 bar (580 PSI)
Temperature: t = –40 °C … +250 °C
(–40 °F … +482 °F) (SmCo),
+120 °C (+248 °F) (NdFeB)
Torque: 18 … 1.879 Nm
c
f
j
h
g
d
b
1.1
1.2
8
Description
Inner rotor
Outer rotor
Can
Recommended applications
• Chemical industry
NMB © EagleBurgmann
• Oil and gas industry
• Refining technology
• Pharmaceutical industry
Product variants
• Food processing industry
• Centrifugal pumps
Different variants are available to meet specific
• Gear pumps
requirements:
• Top drive mixers/agitators
• Dry running roller bearing
• Fans
• High temperature variant
• Blowers
• High pressure can
• Autoclaves
Samarium cobalt (SC2)
Static
Eddy current
break-away torque losses
at 20 °C
at 3,000 min–1
Version
16P-2R-45
16P-3R-45
16P-4R-45
16P-5R-45
16P-6R-45
16P-7R-45
16P-8R-45
22P-4R-40
22P-5R-40
22P-6R-40
22P-7R-40
22P-8R-40
22P-9R-40
22P-10R-40
Nm
114
204
291
370
451
544
628
460
604
748
875
1,028
1,205
1,348
Dimensions in mm
kW
0.60
1.10
1.60
2.10
2.60
3.10
3.60
1.70
2.33
2.97
3.60
4.24
4.87
5.50
Neodymium iron boron (ND2)
Static
Eddy current
break-away torque losses
at 20 °C
at 3,000 min–1
Nm
153
252
370
475
589
703
805
649
857
1,019
1,199
1,416
1,680
1,879
kW
0.78
1.43
2.08
2.73
3.38
4.03
4.68
2.60
3.37
4.13
4.90
5.67
6.44
7.20
16P-2R
16P-3R
16P-4R
16P-5R
16P-6R
16P-7R
16P-8R
a
226.1
253.3
278.7
305.9
331.3
358.5
400
b
200.1
229.1
254.9
280.7
306.5
332.3
358.1
c
174.7
203.7
229.5
255.3
281.1
306.9
332.7
d
160
187.1
212.5
239.7
265.1
292.3
317.7
e
88.9
116.1
141.5
168.7
194.1
221.2
246.6
f
156.6
156.6
156.6
156.6
156.6
156.6
156.6
g
184.9
184.9
184.9
184.9
184.9
184.9
184.9
h
217.5
217.5
217.5
217.5
217.5
217.5
217.5
j
250
250
250
250
250
250
250
k
192
192
192
192
192
192
192
l
205
205
205
205
205
205
205
22P-4R
22P-5R
22P-6R
22P-7R
22P-8R
22P-9R
22P-10R
316.6
339.4
365.2
395
420.1
445.9
470
269.3
295.1
320.9
349.9
375.7
401.6
427.4
363.3
262.1
287.9
316.9
342.7
368.5
394.3
219
246.2
271.6
298.8
324.2
351.3
376.7
141.5
168.7
194.1
221.2
246.6
273.8
299.2
205.8
205.8
205.8
205.8
205.8
205.8
205.8
235.7
235.7
235.7
235.7
235.7
235.7
235.7
276.5
276.5
276.5
276.5
276.5
276.5
276.5
310
310
310
310
310
310
310
243
243
243
243
243
243
243
254
254
254
254
254
254
254
141
Magnetic couplings • Couplings
SMAK
3
6
4
5
1.2
1.1
2
Features
Magnetic couplings of the SMAK series are used to transfer
torque into mixers and agitators. Top drive, bottom drive or
lateral drive. Dangerous or precious media remain isolated
in the closed vessel.
Advantages
• Magnetic coupling for mixers and agitators
• Hermetically sealed
• Sterile design
• Surfaces in contact with the medium are electro-polished
• No contamination by buffer media
• No contact of torque transmitting elements
• No maintenance necessary
• Sliding bearing for bottom drives included
• Speed monitoring optional
• Weld-in or screw-in flanges available
Functional description
The power transmission occurs contact-free through
magnets from the drive shaft to the product wetted output
shaft. Between the two rotating parts is the can wich is
bolted to the container.
Operating range (see note on page 1)
Shaft diameter: d = … 40 mm (1.57")
Pressure: vacuum … 7 bar (102 PSI)
Temperature: t = –40 °C … +150 °C
(–40 °F … +302 °F) (SmCo),
+120 °C (+248 °F) (NdFeB)
Speed: n = … 400 min–1
Chemical resistance: pH 0 … 14
Viscosity: 0.3 … 5,000 mPas (SiC)
Torque: max. 270 Nm (bottom drive),
330 Nm (top drive)
Solids: max. 0.1 mm; max. 5 % by weight;
grain hardness max. 700 HV
Materials
Sliding faces: Silicon carbide SiC (Q1)
Magnets: Samarium cobalt (MA3),
Neodymium iron boron (MA8)
Metal parts: CrNiMo steel 1.4571 (G), 1.4435
Dimensions
Dimensions on request
142
7
Item
1.1
1.2
2
3
4
5, 6
7
Description
Inner rotor
Outer rotor
Can
Nut
Bearing bushing
O-Ring
Set screw
Product variant
SMAK for top drive
SMAK © EagleBurgmann
Standards and approvals
• Material approvals: QHD, GMP, FDA
Recommended applications
• Chemical industry
• Pharmaceutical industry
• Food processing industry
• Agitators
• Mixers
2
1.1
3
4
1.2
5
6
Item Description
SMAK © EagleBurgmann
1.1
Inner rotor
1.2
Outer rotor
2
Motor connection
3
Can
4, 5 Bearing
6
Agitator blade connection
Magnetic couplings • Bearings
LMF1
b
h
h6
d7
e
u
h6
d5
l2
5
d6
H7
d3
Ø
1
l
S3
k3
3
l1
Features
Sliding bearings are used for the shaft end in magnetic
coupled centrifugal or displacement pumps. The sliding
parts are made of SiC. The pump liquid is circulating
between the rotating and static parts to ensure
lubrication and cooling. EagleBurgmann LMF bearings
are successfully used for many years in applications
worldwide. They are almost wearless and therefore
extremely durable.
Advantages
• Sliding bearing for the shaft of an impeller in a pump
• Self lubrication through pump liquid
• Adapted to MAK66 magnetic couplings
2
Item
1
2
3
4
1
Description
Radial journal bearing
Axial journal bearing
Axial journal bearing
Shaft sleeve
4
3
Recommended applications
• Chemical industry
• Oil and gas industry
• Refining technology
• Pharmaceutical industry
• Food processing industry
• Centrifugal pumps
• Gear pumps
LMF1 © EagleBurgmann
Materials
Sliding faces: Silicon carbide SiC (Q1),
Carbon silicon impregnated SiC-C-Si (Q3),
Carbon graphite resin impregnated (B)
Metal parts: CrNiMo steel 1.4462 (G1)
Product variants
Variants for low (–110 °C (–230 °F)) and high
temperature (… +400 °C (+752 °F)) and variants with
heatable or coolable chamber available.
Functional description
The shaft end es connected to the shaft sleeve and two
bearing rings for the axial bearing forces. It is running
against the stationary bearing bushings.
LMF10
Bearing for demanding application conditions. Axial journal
bearing not shrunk but inserted.
Materials as for LMF1, optionally shaft sleeve made of
1.4462 with chromium dioxide coating.
Dimensions see table.
Operating range (see note on page 1)
Viscosity: 0.3 … 5,000 mPas (SiC)
Speed: n = 3,600 min–1
Solids: max. 0.1 mm; max. 5 % by weight;
grain hardness max. 700 HV
b
h
h
7.0
8.0
8.0
10.0
13.5
k3
55
87
87
103
130
n3
5
5
5
5
5
s3
5.5
6.6
6.6
6.6
9.0
d7
16
32
32
40
50
d6
31.5
39.5
39.5
49.5
49.5
b
26.0
27.0
30.0
34.5
43.5
e
12
12
12
15
15
l1
139.3
170.3
184.3
188.5
264.5
l2
20
30
12
14
14
h
8.0
10.0
20.0
13.5
28.5
k3
87
103
107
130
150
n3
5
5
5
5
6
s3
6.6
6.6
6.6
9.0
11.0
d7
32
40
40
50
50
l
16
22
22
32
-
u
5
10
10
12
-
h6
l2
29
20
20
30
14
e
u
l1
87.0
129.3
139.3
170.3
188.5
e
d7
e
8
11
11
12
15
d6
b
21.0
26.0
26.0
27.0
34.5
h6
d6
15.8
31.5
31.5
39.5
49.5
H7
d5
16.5
32.5
32.5
40.5
50.5
d5
d3
44
75
75
92
115
d3
LMF1-22/54-00
LMF1-43/80-00
LMF1-43/90-00
LMF1-55/110-00
LMF1-65/188-00
k3
LMF1 - Dimensions in mm
LMF10-43/90-00
LMF10-55/110-00
LMF10-55/144-00
LMF10-65/188-00
LMF10-65/264-00
d3
75
92
92
115
115
d5
32.5
40.5
40.5
50.5
50.5
s3
LMF10 - Dimensions in mm
l1
2
1
4
3
LMF10 © EagleBurgmann
143
Additional EagleBurgmann product lines
Seal supply systems
Carbon floating ring seals
Depending on the design, application and mode of operation, supply systems are
required to flush, cool and pressurize mechanical seals and magnetic couplings and
provide leakage compensation. EagleBurgmann supplies a complete range of solutions
from a single source including design, production, commissioning and service. The
portfolio includes a complete range of API compliant supply systems.
Carbon floating ring seals are supplied as maintenance-free compact labyrinth cartridge
seals with low leakage. The floating self-adjusting sealing rings provide radial sealing on
the shaft with a very small gap. The seal requires no additional lubrication, and it is
designed for dry running. Besides pure gas, carbon floating ring seals are also suitable
for Atex applications, toxic media, media containing solids, flue gas, dust, powder, vapor,
liquid mist, oil mist and penetrating oil.
Quench systems
• Versions with polyethylene or stainless steel tanks
• API 682 versions
• Circulation of buffer fluid possible
Thermosiphon systems
• Comprehensive modularized product range
• Sterilizable versions
• API 682 versions for Plan 52 and 53A
Heat exchangers
• Comprehensive standard range
• Extremely efficient cooling
• Compact design
• API 682 versions
SPO (SPB/SPC) closed-circuit barrier fluid systems
• Suitable for applications with high pressure
• No connection to nitrogen supply necessary
• API 682 versions
SPA open-circuit buffer/barrier fluid systems
• High cooling capacity
• Combined supply of various seals
SPN refill units
• Manual, automatic and mobile versions
Gas supply systems
• Customized versions for all types and requirements in gas-lubricated mechanical seal
applications
• Seal management system
• API 682 / 614
RoTechBooster
• Ensures seal gas flow to the gas seal when the differential pressure across
a compressor is insufficient to provide adequate flow.
Typical applications:
Liquid and gas lubricated mechanical seals, magnetic couplings
For detailed information please inquire.
144
Espey WD series (split housing)
• Split housing and seal rings allow easy installation
• Pressure: vacuum … 20 bar (… 290 PSI)
• Shaft diameter: 40 … 340 mm (1.57" … 13.39")
• Radial clearance: max. ±5.0 mm (0.2")
• Axial movement: theoretically unlimited
• Temperature: –120 °C … +800 °C (–184 °F … +1,472 °F)
• Sliding velocity: 40 … 150 m/s (131 … 492 ft/s)
Espey WDK-BHS for bulkhead shaft penetrations
• Split housing and seal rings allow easy installation
• Verified leakage rates
• International type approvals
• Pressure: max. 3 bar (44 PSI)
• Shaft diameter: 40 … 800 mm (1.57" … 31.5")
• Radial play: max. 5 mm (0.2")
• Axial movement: theoretically unlimited
• Temperature: max. 225 °C (437 °F)
• Sliding velocity: 40 m/s (131 ft/s)
Special Espey WD series variants
• Seals for top driven agitators and DIN seal chambers
• Blast furnace seals, shaft … 4,000 mm (… 157.48")
• Seals for mills and centrifuge feed heads
Espey WKA series
• Chamber seal (modular design – can be combined in any order), optional with
housing and lid
• Pressure: vacuum … 250 bar (… 3,626 PSI)
• Shaft diameter: 20 … 340 mm (0.79" … 13.39")
• Radial play: max. ± 2.0 mm (0.08")
• Axial movement: theoretically unlimited
• Temperature: –120 °C … +500 °C (–184 °F … +932 °F)
• Sliding velocity: 150 … 240 m/s (492 … 787 ft/s),
• depending on type
Espey shaft sleeves
• Metallic or ceramic coating
• One-piece or split design
• Shaft diameter: 45 … 340 mm (1.77" … 13.39")
• Temperature: … +1,000 °C (… +1,832 °F)
Typical applications:
Blowers, compressors, turbines, centrifuges, mills, agitators, dryers, bulkheads, steam
turbines, throttle/control valves, gear units, motors
Additional EagleBurgmann product lines
Compression packings
Gaskets
A cost effective and reliable method for sealing pump shafts, valve spindles and rotating
shafts in process equipment. Manufactured from a range of material combinations –
traditional and innovative – using state-of-the-art production techniques. Supplied in
boxed lengths or pre-cut rings. Approvals/certification includes BAM, DVGW, FDA, API,
ISO, TA-Luft. Fire-safe, low leakage, low emission and nuclear grades are available with
full documentation and certification.
Fibre gasket sheets
Burasil-Basic, -Universal and Buratherm N gasket
sheets for service in low to medium pressure and temperature applications for process
equipment and pipework in industry and for utility applications like gas and water supply.
Approvals/certification includes: DVGW, KTW, HTB, WRAS, WRC, TA-Luft, BAM (Oxygen
max. = 120 °C / 130 bar)
Rotatherm graphite rings
An accepted industry-standard for valves and pumps in high pressure and high
temperature service. Manufactured as moulded rings (with and without steel
reinforcement) or special seals. Suits all industry applications including the power and
nuclear industries. Approvals/certification includes: BAM, DVGW,
API, ISO, TA-Luft.
PTFE gasket sheets and tapes
Burachem is a highly chemical resistant modified PTFE gasket material range offering
varying properties of mechanical strength and chemical resistance depending upon
application. Approvals/certification includes: DVGW, KTW, HTB, WRAS, WRC, BAM
(Oxygen max. =120 °C / 130 bar), TA-Luft.
Quick-Seal MultiTex tape is the latest development in the field of expanded PTFE
sealing materials for in-place sealing
of vessel and pipe flanges.
BuraTAL Fugitive emission products
A comprehensive range of low leakage packing sets
manufactured in graphite or our unique non-woven materials. All current fugitive
emission standards are met with outstanding performance, low friction, ease of
installation, and a long service life. Approvals/certification includes: API 622, ISO
15848, TA-Luft.
Burajet Injectable packings
The Burajet Injectable packing system offers a wide range of injectable compounds for
pumps, valves, and process equipment. An ideal product for the mining and paper &
pulp industries. Approvals/Certification includes: FDA
Buraglas Glass packings
Manufactured from non-ceramic materials and fibres, BuraGlas packings are suitable for
sealing of vessels, coal mills, industrial furnaces, oven doors, hatches and covers.
Produced in lengths in sizes up to 150 mm section. Approvals/Certification:
Hydrolytische Klasse 1; DIN 12111.
Packing cartridges
Packing cartridges combine quick and easy installation with robust simple construction
to provide minimum downtime and maximum reliability in critical process applications.
Manufactured to individual requirements to fit into DIN/ASME standard equipment e.g.
agitators. Cartridges can be supplied with live-loading and additional bellows
containment for maximum environmental safety.
Typical applications:
Pumps, agitators, mixers, kneaders, dryers, fans, blowers, filters, refiners, pulpers,
mills, valves
Graphite seals and tapes
Statotherm Graphite gasket sheets, tapes
Soft, flexible, graphite gasket sheets ideal for pump, valve, and equipment gaskets.
Statotherm R Profile rings for static sealing in high
temperature applications, e.g. in heat exchangers, valves or pumps.
Statotherm V and V-Flex cover seals are used as
self-sealing gaskets in high-pressure valves e.g. for power plants at high temperatures.
Statotherm V-Flex is supplied
by the meter.
Metal gaskets
Approvals/certification include BAM, DVGW, TA-Luft
Spiraltherm spiral wound gaskets. Available to suit all international flange
standards and in a wide choice of materials.
Corratherm corrugated gaskets are for heavy duty applications.
Kammprofile serrated gaskets are for applications with high demands for operating
safety and tightness.
Buralloy metal jacketed gaskets are produced in a wide variety of different
materials (in various combinations), in many styles for heat exchangers, pipe flanges,
boilers, and process equipment.
Buralloy ring type joints are available to suit all ASME
and DIN flanges from stock. Sizes: 15 … 900 mm (0.5" … 36");
manufactured to ASME B16.20 and to API 6A.
Typical applications:
Stationary machine parts, flanges, flange-like joints, bulkheads
For detailed information please inquire.
145
Additional EagleBurgmann product lines
Expansion joints
Special products
Expansion joints are vital components in most industrial plants. They are installed as
flexible connections in pipe and duct systems to take up or compensate for thermal
expansion, vibration and misalignments. Advancements in processing and generating
technologies are being combined with high demands for efficiency. This, along with a
clear orientation towards environmental protection, puts high demands on expansion
joint designs.
For particular applications, innovative, customized solutions are
the only answer. The supplier must have a wealth of in-depth expertise, many years of
experience and above all the willingness and ability to translate ideas into solutions that
work in practical application.
Customized expansion joints made of fabric or metal are the solution of choice.
Fabric expansion joints
• Single and multilayer designs
• Dimensions: according to customer specifications
• Temperature –35 °C … +1,000 °C (–31 °F … +1,832 °F)
(higher temperature, on request)
• Pressure: +/–0.35 bar
• Versions with wiremesh reinforcement
• Versions with high chemical resistance
• Versions with Nekal-tight design
• Fabric expansion joint are available as units, including bolster and steel parts.
Metal expansion joints
• Dimensions: Circular: DN40 and up.
• Rectangular: According to customer specifications
• Temperature: –198 °C … +1,371 °C (–324 °F … +2,500 °F)
• Pressure: vacuum … 172 bar (… 2,500 PSI)
• Materials: stainless steel, Incoloy® Inconel®, Hastelloy®, titanium, special materials
• Single and universal designs
• Metal expansion joints are available with for example tie rods, hinges, gimbals,
refractory lining, elbow, pantograph.
Dimensions and pressure range depends on design, material selection, type of
expansion joint and duct insulation.
Contoured diaphragm couplings
For demanding rotating equipment such as turbines and
compressors in the oil and gas industries as well as
petrochemicals, conventional and nuclear power generation, marine applications and the
aerospace industry.
They are lightweight, easy to install and maintain, and demonstrate high reliability in
stress analysis. Low bearing load, best dynamic balance repeatability and no fretting or
wearing are advantages of the coupling. Uniquely shaped flexible elements in the metal
diaphragms located at each end of the spacers attain optimum performance. Additional
features:
• Couplings acc. to API 671 / ISO10441 or API 610 / ISO13709
• Multi diaphragms, compensation for large misalignments
• Low (reduced) moment
• Electrically insulatet
• Spark resistant materials
• Tuned for rotor dynamics
• Torque overload releasing device
• Torque measuring system
Operating range: Max. torque: 2,700 kNm,
max. speed: 100,000 min–1
High-grade metal bellows
for specialized applications in the nuclear power, semi conductor and medical
equipment industries, etc.
Dynamic and static sealing elements
for the aerospace industry which meet extremely demanding quality requirements.
Stern tube and marine seals
with various approvals and certifications, for marine outfitters and users.
Rotary kiln sealing systems
as single and double seals in drying, calcination, combustion and pyrolysis applications.
Typical applications:
Air and flue gas ducts, pipelines, sewer systems
146
Typical applications:
Engineered solutions designed to meet customer requirements
Table of materials
Material code
Description
1)EN 12756 EagleBurgmann
Face materials (Item 1/2)
Synthetic carbons
Carbon graphite antimony
Buko 03
uA
impregnated
Carbon graphite resin impregnated,
Buko 1
uB
approved for foodstuffs
B3
Buko 02
Carbon graphite resin impregnated
B5
Buko 34
Carbon, resin bonded
Electrographite antimony
C
Buko 22
impregnated
Metals
Bume 20
Cr steel
uE
G
Bume 17
CrNiMo steel
Bume 5
Special cast CrMo steel
uS
T41
Bube 281
1.4462 DLC-coated
Carbides
U = Tungsten carbides
Buka 1 brazed Tungsten carbide, Co-binder
u U1
Buka 16 solid Tungsten carbide, Ni-binder
u U2
Buka 16
Tungsten carbide, Ni-binder
u U22
shrunk-in
U3
Buka 15 solid Tungsten carbide, NiCrMo-binder
Buka 15
U37
Tungsten carbide, NiCrMo-binder
shrunk-in
U7
Buka 17 solid Tungsten carbide, binder-free
Q = Silicon carbides
silicon carbide, sintered
Buka 22 solid SiC,
u Q1
pressureless
Buka 22
SiC, sintered pressureless
u Q12
shrunk-in
Buka 20 solid SiC-Si, reaction bonded
u Q2
Buka 20
SiC-Si, reaction bonded
u Q22
shrunk-in
Q3
Buka 30 solid SiC-C-Si, carbon silicon impr.
Buka 30
Q32
SiC-C-Si, carbon silicon impr.
shrunk-in
SiC sintered pressureless
Q6
Buka 32 solid SiC-C,
with carbon
Q4
Buka 24 solid C-SiC, carbon surface silicated
Q19
Buka 221
SiC, DLC-coated
Q15
Buka 225
SiC, DiamondFace
Metal oxides (Ceramics)
V
Buke 5
Al-Oxide > 99 %
V2
Buke 3
Al-Oxide > 96 %
X
Buke 8
Steatite (Magnesia silicate)
Plastics
Buku 2
PTFE glassfibre reinforced
u Y1
Y2
Buku 3
PTFE carbon reinforced
Material code
Description
1)EN 12756 EagleBurgmann
Secondary seal components (Item 3)
Elastomers, not wrapped
Ethylene propylene rubber
E
uE
(EPDM2)) e. g. Nordel®
Perfluorocarbon
rubber (FFKM2))
K
uK
e. g. Kalrez®, Chemraz®, Simriz®
Chloroprene rubber (CR2)
N
N
e. g. Neopren®
Nitrile-butadiene-rubber (NBR2))
P
uP
e. g. Perbunan®
Silicone
rubber (VMQ2))
S
S
e. g. Silopren®
Fluorocarbon rubber (FKM2))
V
uV
e. g. Viton®
Hydrogenated Nitrile-rubber
X
X4
(HNBR2))
Tetrafluoroethylene propylene
X
X5
rubber (FEPM2))
e. g. Aflas®, Fluoraz®
Elastomers, wrapped
TTV
FKM, double PTFE wrapped
u M1
TTE
EPDM, double PTFE wrapped
u M2
M3
TTS
VMQ, double PTFE wrapped
M4
TTN
CR, double PTFE wrapped
M5
FEP
FKM, FEP wrapped
FKM double PTFE wrapped/
M7
TTV/T
PTFE solid
Differing materials
U1
K/T
Perfluorocarbon rubber/PTFE
Non-Elastomers
G
Statotherm
Pure graphite
T
T
PTFE (Polytetrafluoroethylene)
T2
T2
PTFE glass fiber reinforced
T3
T3
PTFE carbon reinforced
T12
T12
PTFE carbon-graphite reinforced
Y1
Burasil-U
Plastic fiber/Aramid
Material code
Description
1)EN 12756 EagleBurgmann
Spring and construction materials (Item 4/5)
Spring materials
1.4571
CrNiMo steel
uG
Hastelloy® C-4
2.4610
uM
Nickel-base alloy
Construction materials
D
St
C steel
1.4122
Cr steel
uE
F
1.4301
CrNi steel
F
1.4308
CrNi cast steel
F1
1.4313
Special cast CrNi steel
1.4401
CrNiMo steel
uG
1.4404
CrNiMo steel
uG
1.4571
CrNiMo steel
uG
G
1.4581
CrNiMo cast steel
1.4462
CrNiMo steel – Duplex
u G1
G2
1.4439
CrNiMo steel
G3
1.4539
NiCrMo steel
UNSS32760-Nor CrNiMoCu steel - Superduplex
u G4
M = Nickel-base alloy
2.4610
Hastelloy® C-4
uM
M1
2.4617
Hastelloy® B-2
M3
2.4660
Carpenter® 20 Cb3
M4
2.4375
Monel® alloy K500
M5
2.4819
Hastelloy® C-276
M6
2.4668
Inconel® 718
T = Other materials
T1
1.4505
CrNiMoCuNb steel
T2
3.7035
Pure titanium
T3
2.4856
Inconel® 625
T4
1.3917
Carpenter® 42
T5
1.4876
Incoloy® 800
Preferred materials
1) Standard following EN 12756, Dec. 2000
2) Abbreviations acc. to ISO 1629, Nov. 2004
u
Color code
Shaft
Stationary seal parts
Rotary seal parts
Housing, installation chamber
Stationary seal faces
Rotating seal faces
Elastomers
TotalSealCare Service
TotalSealCare service modules
1 5
2 6
3 7
4
The modular seal service offered through
TotalSealCare is as individual as are the demands
of our customers. The range of services spans
complete maintenance of all installed seals, through
to stock management, as well as engineering,
training and electronic data documentation.
Our TotalSealCare services consist of individual
modules from which we assemble individualized
service packages.
You can benefit from our many years of experience
and expertise in all areas of seal technology, and our
major store of practical knowledge.
Consulting & engineering
Seminars & training
After establishing and analyzing all of the seals in
a system, we work out standardization concepts
based on the as-is status. The results we are
hoping for are to reduce the number of seal types,
sizes and materials used, and to improve the key
figures of the system. We advise you relating to
codes of practice and statutory regulations, and
indicate what actions need to be taken.
We offer an extensive range of continuing
education programs in seal technology.
For service and maintenance personnel, skilled
staff and engineers from various branches of
industry such as refining, chemicals, power
generation, foodstuffs, paper and
pharmaceuticals. Our range includes group
seminars, individual training and seminars
specifically tailored to your requirements. At our
premises or at a location of your choice.
Maintenance
In the plant or in the service center, qualified
fitters and technicians look after all the aspects of
seal maintenance: installation, startup, servicing,
conversion, overhaul and repair. We record and
document functionally relevant data (fault causes,
measures for repair, costs). This means it is
possible to assess seal operating times and
maintenance costs on a continuous basis, thereby
defining measures for extending service intervals.
On-site service
Our on-site service includes the components of
an overhaul service, conversions and service
container. We deploy a service unit directly on
your premises: equipped with the basic suite of
seals or a stock of seals discussed with you in
advance, and staffed by qualified personnel.
On-site, our work includes producing the necessary
gaskets, ensuring that the documentation is
complete and advising our customers on selecting
and installing seals. Our range of services is
rounded off by complete conversions (e. g. acc.
to TA-Luft).
Inventory management
Based on your individual requirements and the
applicable quality regulations, we develop
a concept for inventory management of complete
seals and spare parts. Furthermore, we optimize
stocking on site or in the EagleBurgmann service
center. In this way, you can reduce your
administration overhead and concentrate on
your key operations.
Technical analysis & support
A team of seal specialists is responsible for
rectifying process malfunctions or “bad actors”.
The latest methods such as thermography or data
logging are used for diagnosing positions that are
critical for the operation of the system and for
working out measures to rectify them. In our
research and development centers, we perform
realistic tests on test rigs or in original pumps.
The objective is to extend the MTBF and to
increase system serviceability by individual and
constructive solutions.
Service agreements
We offer our customers specific agreements
that can be combined from the six service
modules. Whether for individual seal systems,
critical process elements, specific system areas
or an extensive seal service for complete plants:
the modular structure of our service makes it
possible to satisfy individual requirements.
With our tried-and-tested monitoring instrument,
SEPRO, we can also record all data relevant for
the seals for documentation and evaluation
purposes.
DMS_MSE / E7 / PDF / 04.17 / 9.7.3 © EagleBurgmann Group Marketing, Germany
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EagleBurgmann, a joint venture of the German Freudenberg Group and the Japanese Eagle Industry
Group, is one of the internationally leading companies for industrial sealing technology. Our products
are used everywhere where safety and reliability are important: in the oil and gas industry, refining
technology, the petrochemical, chemical and pharmaceutical industries, food processing, power, water,
mining, pulp & paper, aerospace and many other spheres. Every day, more than 6,000 employees in
more than 60 subsidiaries contribute their ideas, solutions and commitment towards ensuring that
customers all over the world can rely on our seals. Our modular TotalSealCare service underlines our
strong customer orientation and off ers tailor-made services for every application.
eagleburgmann.com
info@eagleburgmann.com