Series 1500/2500
Safety Relief Valves
Hydroseal
Founded in 1955 in Kilgore, Texas, Hydroseal is a manufacturer of safety relief valves and allied equipment for the
Worldwide Energy Industry.
Every part incorporated in the unique field proven designs of
Hydroseal's line of high quality safety relief valves is manufactured in accordance with stringent quality control procedures mandated by the American Society of Mechanical
Engineers (ASME) and its inspection arm, the National Board
of Boiler and Pressure Vessel Inspectors of Columbus, Ohio.
Many of Hydroseal's safety relief valves have carried the
ASME UV (Unfired Vessel) Code Stamp since 1962.
A variety of materials and designs are available to meet the
most exacting requirements of severe and critical applications.
High Perfomance Safety Relief Valves
Series 1500 Threaded & Flanged
Safety Relief Valves
General Design Features
• Suitable for Air, Gas, Steam & Liquid
Service Applications
• Both Flat Lapped Metal-To-Metal Seat &
Bubble Tight Soft Seat Designs Available
• Manufactured in Accordance with ASME
Code Section VIII, NBBI Capacity Certified
• Pressure Ranges from 5 PSI to 6173 PSI
• Temperature Ranges from -320˚F to +800˚F
Series 1500
Threaded & Flanged
Series 2500 Flanged High
Capacity Safety Relief Valves
General Design Features
• Available with NACE & Bellows Options
• Self Aligning Disc & Guided
One-Piece Disc Holder Assembly
• Interchangeable Discs for
Metal-To-Metal & Soft Seat Seals
• Same Internals for Air, Gas, Liquid
&Steam Service Applications
Series 2500
• Meets API 526 & 527 with Available Orifices “D” through “T”
• Manufactured in Accordance with ASME Code Section VIII, NBBI Capacity Certified
Contents
Series 1500/2500 Design Features. . . . . . . . . . . . . . . . . . . . . . 2
2
Series 1500
Series 2500
How to Order & Sizing Equations . . . . . . . . . . . . . . . . . . . . . . 3
Parts List & Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Dimensional Data & Weights . . . . . . . . . . . . . . . . . . . . . . . . 6-7
How to Order & Sizing Equations . . . . . . . . . . . . . . . . . . . . . . 8
Dimensional Data & Weights . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Parts List & Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-11
Hydroseal Series 1500/2500 Safety Relief Valves
Hydroseal Series 1500, Part Number Codes & Engineering Data
.2 )
(in
rea
A
ce
Orifi
O
tx
e
l
n
I
t
utle
Size /Available Orifice (Connection)
D • 3/8" x 3/4" (C Orifice Only)
E • 1/2" x 3/4" (C Orifice Only)
F • 3/4" x 3/4" (C, D Orifice Only)
H • 3/8" x 1" (C Orifice Only)
1 • 1/2" x 1" (C, D Orifice Only)
2 • 3/4" x 1" (C, D Orifice Only)
3 • 1" x 1" (C, D Orifice Only)
4 • 3/4" x 11/2" (D, E Orifice Only)
Gender
ing
Fac
e
Typ
t
a
Se
al
teri
a
M
e
Typ
p
a
C
e
Cod
g
in
Spr
5 • 1" x 11/2" (D, E, F Orifice Only)
6 • 11/2" x 11/2" (D, E, F Orifice Only)
J • 1" x 2" (E, F Orifice Only)
7 • 11/2" x 2" (E, F, G Orifice Only)
8 • 2" x 2" (E, F, G Orifice Only)
9 • 11/2" x 2 1/2" (G Orifice Only)
0 • 2" x 2 1/2" (G Orifice Only)
J•MxM
K•FxM
C • 600 x 150
D • 600 x 300
Flange x Thread
M•MxF
F•FxF
A • 150 x 150
B • 300 x 150
X • Special
0 • NPT
1 • RF x RF
2 • RTJ x RF
3 • RF x FNPT
8 • NPTx Socket /Nipple
4 • MNPT x RF
X • Special
5 • Sanitary Flange
6 • Socket /Nipple x Socket/Nipple
7 • Socket /Nipple x NPT
C • Neoprene
E • EPDM
K • Kalrez®
M • Metal
N • Nitrile
S • Silicone
T • Teflon®
V • Fluorocarbon
Flanged
n
ctio
e
n
Con
G • 0.590
E • 0.230
F • 0.366
C • 0.058
D • 0.129
Body/ Spring / Trim
0 • WCB/CS/ 316SS
1 • WCB/ 316SS/ 316SS
2 • WCB (NACE) / Inconel® / 316SS
W • Steam (Metal Seals)
X • Special
Y • Steam (Soft Seat) w/Viton® Seals
Z • Kalrez® Seat w/Viton® Seals
3 • CF8M / 316SS/316SS
4 • CF8M (NACE)/Inconel® / 316SS
X • Special
L • Open Lever
M • Lever w/Gag
O • Closed
G • Closed w/Gag
E • 1500 x 300
G • 2500 x 300
P • Packed Lever
S • Packed w/Gag
Consult Factory for Spring Chart.
Max. set pressure for steam is 600 psig.
C Orifice is available in soft seat only.
Lift lever is required for ASME code service for steam, air or water over 140˚F.
3/8" NPT inlet valves are non ASME Code for liquid.
Call for market price on Kalrez® seat material.
Flanged option not available in sizes 1/4" and 3/8".
Temperature Limits
Temperature
Lower ˚F
Upper ˚F
15 X X X X X X X/XX
Sizing Equations
Air/Gas
W= CK d AP1
M
TZ
Liquid
Q= 38K d K v A
P1 - Pd
G
Where
P1=1.1 Pset +14.7 over 30 psi or
P1 = Pset +17.7 under 30 psi
C= 520
k
2
k+1
k+1
k -1
Nitrile
-65
225
EPDM
-70
300
US Units
Seat Material
Viton® Neoprene Kalrez®
-15
-45
30
400
300
550
Teflon®
-300
400
SI Units
W =
Pset =
Pd =
A =
Kd =
Kd =
Kv =
Q =
Z =
T =
k =
M =
G =
Capacity in lbm/hr
Set Pressure in psig
Discharge Pressure
Orifice Area
.870 for Air/Gas/Steam
.672 for Liquid
Viscosity Correction Factor
Capacity in GPM
Compressibility Factor
Temperature in˚R
Ratio of Specific Heats
Molecular Weight
Specific Gravity
Air/Gas
W=13160 CK d AP1
M
TZ
Liquid
KdK v A
P1 - Pd
11.78
G
Where
P1=1.1 Pset +101.3 over 207 kPa or
P1 = Pset +122 under 207 kPa
Q=
C= 520
k
2
k+1
k+1
k -1
W =
Pset =
Pd =
A =
Kd =
Kd =
Kv =
Q =
Z =
T =
k =
M =
G =
Capacity in kg/hr
Set Pressure in kPag
Discharge Pressure
Orifice Area
.870 for Air/Gas/Steam
.672 for Liquid
Viscosity Correction Factor
Capacity in liter/min
Compressibility Factor
Temperature in˚K
Ratio of Specific Heats
Molecular Weight
Specific Gravity
Contact Factory in order to receive sizing program and/or capacity charts.
Hydroseal Series 1500/2500 Safety Relief Valves
3
Hydroseal Series 1500, Parts List & Material Selection
Index
Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Cap
Adjusting Screw
Adjusting Nut
O-Ring
Spring Plate
Stem
Spring
Stem Head
Disc Holder
Disc Retainer
Disc
Body
Guide
Nozzle
Lap Joint Flange (Outlet)
Lap Joint Stub End (Outlet)
Lap Joint Flange (Inlet)
Lap Joint Stub End (Inlet)
Open Lift Lever
Cap
Release Washer
Release Nut
Lever Pin
Lever
Packed Lift Lever
Cap
Release Nut
Release Washer
Lever Shaft
Gland O-Ring
Lock Nut
Lever Pin
Shaft O-Ring
Gland Nut
Lever
Soft Seat Option
Disc
Disc Retainer Screw
O-Ring (1)
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
-20˚F to +450˚F
(-29˚C to +232˚C)
0
Carbon Steel
316 Stainless Steel
Carbon Steel
Specify
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel (2)
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
WCB
316 Stainless Steel
316 Stainless Steel
Carbon Steel
316 Stainless Steel
Carbon Steel
316 Stainless Steel
Materials, Codes & Temperature Ranges
NACE MR0175
-20˚F to +650˚F
-20˚F to +750˚F
-425˚F to +800˚F
(-29˚C to +343˚C)
(-29˚C to +399˚C)
(-254˚C to +426˚C)
1
2
3
Carbon Steel
Carbon Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
Carbon Steel
316 Stainless Steel
316 Stainless Steel
Specify
Specify
Specify
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel (2)
Inconel® X750
316 Stainless Steel (2)
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
WCB
WCB
CF8M
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
Carbon Steel
Carbon Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
Carbon Steel
Carbon Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
WCB
Carbon Steel
Carbon Steel
Carbon Steel
Carbon Steel
WCB
Carbon Steel
Carbon Steel
Carbon Steel
Carbon Steel
WCB
Carbon Steel
Carbon Steel
Carbon Steel
Carbon Steel
CF8M
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
CF8M
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
WCB
Carbon Steel
Carbon Steel
316 Stainless Steel
Same as Item 4
Carbon Steel
Carbon Steel
Same as Item 4
Carbon Steel
Carbon Steel
WCB
316 Stainless Steel
Carbon Steel
316 Stainless Steel
Same as Item 4
Carbon Steel
Carbon Steel
Same as Item 4
316 Stainless Steel
Carbon Steel
WCB
316 Stainless Steel
Carbon Steel
316 Stainless Steel
Same as Item 4
Carbon Steel
Carbon Steel
Same as Item 4
Carbon Steel
Carbon Steel
CF8M
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
Same as Item 4
316 Stainless Steel
302 Stainless Steel
Same as Item 4
316 Stainless Steel
316 Stainless Steel
CF8M
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
Same as Item 4
316 Stainless Steel
302 Stainless Steel
Same as Item 4
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
Specify
316 Stainless Steel
316 Stainless Steel
Specify
316 Stainless Steel
316 Stainless Steel
Specify
316 Stainless Steel
316 Stainless Steel
Specify
316 Stainless Steel
316 Stainless Steel
Specify
(1) Soft Seat Valve Only
(2) Hydroseal reserves the right to substitute Inconel® X750 in lieu of 316SS for higher pressure springs.
Materials: WCB-ASME SA216, CF8M-ASME SA351
4
NACE MR0175
-425˚F to +800˚F
(-254˚C to +426˚C)
4
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
Specify
316 Stainless Steel
316 Stainless Steel
Inconel® X750
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
CF8M
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
Hydroseal Series 1500/2500 Safety Relief Valves
Hydroseal Series 1500, Component Parts
1
1
2
2
3
3
4
Threaded
5
4
Flanged
5
6
6
7
7
15
8
16
8
9
9
10
11
11
12
12
13
13
14
14
17
24
19
20
18
21
25
22
26
23
27
6
28
32
34
6
33
35
30
31
29
Open Lift Lever
36
Packed Lift Lever
Soft Seat Option
Hydroseal Series 1500/2500 Safety Relief Valves
5
Hydroseal Series 1500 Threaded & Flanged, Dim. Data & Weights
Orifice
D
API Area
.110 in. 2
Actual Area
.129 in. 2
C
A
Series 1500 Threaded
Orifice
Inlet x
Outlet
3/8 x 3/4
1/2 x 3/4
C
Actual Area
.058 in. 2
3/4 x 3/4
3/8 x 1
1/2 x 1
3/4 x 1
1x1
D
API Area
.110 in. 2
Actual Area
.129 in. 2
3/4 x 3/4
1/2 x 1
3/4 x 1
1x1
FNPT x FNPT MaxSet
MNPTx FNPT (psig)
MNPT x FNPT 1350
FNPT x FNPT 3800
MNPT x FNPT 3000
FNPT x FNPT 6150
MNPT x FNPT 6150
FNPT x FNPT 6150
MNPT x FNPT 1350
FNPT x FNPT 3800
MNPT x FNPT 3000
FNPT x FNPT 6150
MNPT x FNPT 6150
FNPT x FNPT 6150
MNPT x FNPT 6150
FNPT x FNPT 6000
MNPT x FNPT 2600
FNPT x FNPT 3150
MNPT x FNPT 900
FNPT x FNPT 3150
MNPT x FNPT 2600
FNPT x FNPT 3150
MNPT x FNPT 3150
FNPT x FNPT 3150
B
E
Dimension (in.)
A
B
C
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
3 1/4 1 3/4 12 1/4
Wt.
(lbs.)
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
Note: Weights are approximate.
Overall height with lever: Add 1" to outlet C & D valves. Add 11/2" to outlet E, F & G valves.
Series 1500 Flanged
API Area
.196 in. 2
Actual Area
.230 in. 2
Inlet x
Outlet
3/4 x
1 1/2
1 x 1 1/2
1 1/2 x
1 1/2
3/4 x
1 1/2
1 x 1 1/2
1 1/2 x
1 1/2
1x2
1 1/2 x 2
2x2
1 x 1 1/2
F
API Area
.307 in. 2
Actual Area
.366 in. 2
1 1/2 x
1 1/2
1x2
1 1/2 x 2
2x2
G
API Area
.503 in. 2
Actual Area
.590 in. 2
Orifice
1 1/2 x 2
2x2
1 1/2 x
2 1/2
2 x 2 1/2
Inlet x
Outlet
1/2 x 3/4
C
C
A
Actual Area
.058 in. 2
1/2 x 1
B
3/4 x 3/4
6
Hydroseal Series 1500/2500 Safety Relief Valves
FNPT x FNPT MaxSet
Dimension (in.)
Wt.
MNPTx FNPT (psig)
A
B
C
(lbs.)
MNPT x FNPT 2700 3 11/16 2 9/16 13 5/8 12
FNPT x FNPT 3950 3 11/16 2 9/16 13 5/8 12
MNPT x FNPT 3950 3 11/16 2 9/16 13 5/8 12
FNPT x FNPT 3950 3 11/16 2 9/16 13 5/8 12
MNPT x FNPT 3950 3 11/16 2 9/16 13 5/8 12
FNPT x FNPT 3600 3 11/16 2 9/16 13 5/8 12
MNPT x FNPT 800 3 11/16 2 9/16 13 5/8 31
FNPT x FNPT 2500 3 11/16 2 9/16 13 5/8 31
MNPT x FNPT 2400 3 11/16 2 9/16 13 5/8 31
FNPT x FNPT 2500 3 11/16 2 9/16 13 5/8 31
MNPT x FNPT 2500 3 11/16 2 9/16 13 5/8 31
FNPT x FNPT 2500 3 11/16 2 9/16 13 5/8 31
MNPT x FNPT 2400
4
3 1/4 16 1/2 31
FNPT x FNPT 2500
4
3 1/4 16 1/2 31
MNPT x FNPT 3850
4
3 1/4 16 1/2 31
FNPT x FNPT 3850
4
3 1/4 16 1/2 31
MNPT x FNPT 3850
4
3 1/4 16 1/2 31
FNPT x FNPT 3600
4
3 1/4 16 1/2 31
MNPT x FNPT 900
4
3 1/4 16 1/2 31
FNPT x FNPT 1550
4
3 1/4 16 1/2 31
MNPT x FNPT 1550
4
3 1/4 16 1/2 31
FNPT x FNPT 1550
4
3 1/4 16 1/2 31
MNPT x FNPT 900
4
3 1/4 16 1/2 31
FNPT x FNPT 1550
4
3 1/4 16 1/2 31
MNPT x FNPT 1550
4
3 1/4 16 1/2 31
FNPT x FNPT 1550
4
3 1/4 16 1/2 31
MNPT x FNPT 1550
4
3 1/4 16 1/2 31
FNPT x FNPT 1550
4
3 1/4 16 1/2 31
MNPT x FNPT 1650 4 3/8 3 3/4 19 3/8 34
FNPT x FNPT 1650 4 3/8 3 3/4 19 3/8 34
MNPT x FNPT 1650 4 3/8 3 3/4 19 3/8 34
FNPT x FNPT 1650 4 3/8 3 3/4 19 3/8 34
MNPT x FNPT 1650 4 3/8 3 3/4 19 3/8 34
FNPT x FNPT 1650 4 3/8 3 3/4 19 3/8 34
MNPT x FNPT 1650 4 3/8 3 3/4 19 3/8 34
FNPT x FNPT 1650 4 3/8 3 3/4 19 3/8 34
Flange
Inlet x Outlet
150 x 150
300 x 150
600 x 150
600 x 300
1500 x 300
150 x 150
300 x 150
600 x 150
600 x 300
1500 x 300
150 x 150
300 x 150
600 x 150
600 x 300
1500 x 300
MaxSet
(psig)
285
740
1480
1480
3400
285
740
1480
1480
3400
285
740
1480
1480
3705
Dimension (in.)
Wt.
A
B
C
(lbs.)
6
4 14 13/16 11
6
4 14 13/16 12
6
4 14 13/16 12
6
4 14 13/16 13
5
16 5/16 16
7 1/2
6
4 14 13/16 11
6
4 14 13/16 12
6
4 14 13/16 12
6
4 14 13/16 13
5
16 5/16 16
7 1/2
4
15 1/16 13
6 1/4
4
15 1/16 14
6 1/4
6 1/4
4
15 1/16 14
5
15 1/16 15
6 1/4
5
15 1/16 18
6 1/4
Series 1500 Flanged, Continued
Orifice
Inlet x
Outlet
3/4 x 1
C
Actual Area
.058 in. 2
1x1
1/2 x 1
3/4 x 1
1x1
D
API Area
.110 in. 2
Actual Area
.129 in. 2
3/4 x
1 1/2
1 x 1 1/2
1 1/2 x
1 1/2
3/4 x
1 1/2
E
API Area
.196 in. 2
1 x 1 1/2
Actual Area
.230 in. 2
1 1/2 x
1 1/2
Flange
Inlet x Outlet
150 x 150
300 x 150
600 x 150
600 x 300
1500 x 300
150 x 150
300 x 150
600 x 150
600 x 300
1500 x 300
2500 x 300
150 x 150
300 x 150
150 x 150
300 x 150
600 x 150
600 x 300
1500 x 300
150 x 150
300 x 150
600 x 150
600 x 300
1500 x 300
2500 x 300
150 x 150
300 x 150
600 x 150
600 x 300
1500 x 300
150 x 150
300 x 150
600 x 150
600 x 300
1500 x 300
2500 x 300
150 x 150
300 x 150
600 x 150
600 x 300
1500 x 300
2500 x 300
150 x 150
300 x 150
600 x 150
600 x 300
1500 x 300
150 x 150
300 x 150
600 x 150
600 x 300
1500 x 300
150 x 150
300 x 150
600 x 150
600 x 300
1500 x 300
2500 x 300
MaxSet
(psig)
285
740
1480
1480
3705
285
740
1480
1480
3705
6170
285
740
285
740
1480
1480
1750
285
740
1480
1480
2000
2000
285
740
1480
1480
1750
285
740
1480
1480
3500
3500
285
740
1480
1480
3500
3500
285
640
640
640
640
285
740
1480
1480
1750
285
740
1480
1480
2000
2000
Dimension (in.)
Wt.
A
B
C
(lbs.)
4
15 1/16 13
6 1/4
4 15 1/16 14
6 1/4
6 1/4
4 15 1/16 14
6 1/4
5 15 1/16 15
5 15 1/16 18
6 3/16
6 1/2 4 1/4 15 5/16 14
6 1/2 4 1/4 15 5/16 15
6 1/2 4 1/4 15 5/16 15
5
16 1/4 16
7 1/2
7 1/2
5
16 1/4 21
5
16 1/4 24
7 1/2
6
4
13 3/4 12
6
4
13 3/4 13
4
14
13
6 1/4
4
14
14
6 1/4
6 1/4
4
14
14
5
14
15
6 1/4
5
14
18
6 1/4
6 1/2 4 1/4 14 1/4 14
6 1/2 4 1/4 14 1/4 15
6 1/2 4 1/4 14 1/4 15
5
15 3/8 16
7 1/2
5
15 3/8 20
7 1/2
7 1/2
5
15 3/8 25
6 1/4
5
15 3/8 14
6 1/4
5
15 3/8 15
6 1/4
5
15 3/8 16
6 1/4 5 3/4 15 1/8 19
6 1/2 5 3/4 15 3/8 22
5
15 1/8 15
6 1/4
5
15 1/8 16
6 1/4
6 1/4
5
15 1/8 17
6 1/4 5 3/4 15 1/8 20
6 1/4 5 3/4 15 1/8 24
7 1/4 5 3/4 16 1/8 29
7 1/8
5
16
17
5
16
20
7 1/8
7 1/8
5
16
20
7 1/8 5 3/4
16
23
7 1/8 5 3/4
16
32
7 1/4 5 3/4 16 1/8 42
6 1/4
5
15 1/8 18
6 1/4
5
15 1/8 19
6 1/4
5
15 1/8 20
6 1/4 5 3/4 15 1/8 23
6 1/4 5 3/4 15 1/8 26
6 1/4
5
15 1/8 19
6 1/4
5
15 1/8 20
6 1/4
5
15 1/8 20
6 1/4 5 3/4 15 1/8 24
7 1/4 5 3/4 16 1/8 28
6 1/4
5
15 1/8 24
6 1/4
5
15 1/8 24
1
6 /4
5
15 1/8 24
6 1/4 5 3/4 15 1/8 23
7 1/4 5 3/4 16 1/8 36
7 1/4 5 3/4 16 1/8 46
Orifice
Inlet x
Outlet
1x2
E
API Area
.196 in. 2
1 1/2 x 2
Actual Area
.230 in. 2
2x2
1 x 1 1/2
1 1/2 x
1 1/2
F
API Area
.307 in. 2
Actual Area
.366 in. 2
1x2
1 1/2 x 2
2x2
1 1/2 x 2
G
2x2
Actual Area
.590 in. 2
API Area
.503 in. 2
1 1/2 x
2 1/2
2 x 2 1/2
Flange
Inlet x Outlet
150 x 150
300 x 150
600 x 150
600 x 300
150 x 150
300 x 150
600 x 150
600 x 300
1500 x 300
2500 x 300
150 x 150
300 x 150
600 x 150
600 x 300
1500 x 300
2500 x 300
150 x 150
300 x 150
600 x 150
600 x 300
150 x 150
300 x 150
600 x 150
600 x 300
150 x 150
300 x 150
600 x 150
600 x 300
150 x 150
300 x 150
600 x 150
600 x 300
1500 x 300
150 x 150
300 x 150
600 x 150
600 x 300
1500 x 300
150 x 150
300 x 150
600 x 150
600 x 300
150 x 150
300 x 150
600 x 150
600 x 300
150 x 150
300 x 150
600 x 150
600 x 300
1500 x 300
150 x 150
300 x 150
600 x 150
600 x 300
1500 x 300
MaxSet
(psig)
285
740
1480
1480
285
740
1480
1480
3500
3500
285
740
1480
1480
3500
3500
285
740
740
740
285
740
1480
1480
285
740
1200
1200
285
740
1480
1480
1500
285
740
1480
1480
1500
285
740
1480
1480
285
740
1480
1480
285
740
1480
1480
1500
285
740
1480
1480
1500
Dimension (in.)
Wt.
A
B
C
(lbs.)
6 1/2
6 18 13/16 29
6 18 13/16 31
6 1/2
6 18 13/16 31
6 1/2
6 18 13/16 33
6 1/2
6 1/2
6
18 1/8 23
6
18 1/8 26
6 1/2
6 1/2
6
18 1/8 26
6 1/2
6
18 1/8 27
6
19 7/8 37
8 1/4
8 1/4
6
19 7/8 47
6 3/4
6
18 3/8 47
6
18 3/8 26
6 3/4
6
18 3/8 28
6 3/4
6
18 3/8 30
6 3/4
6
19 7/8 44
8 1/4
6
19 7/8 60
8 1/4
6 1/4
5
18
38
6 1/4
5
18
39
5 1/8
5
17
37
5 1/8 5 3/4
17
40
6 1/2
5
18 1/8 39
7 1/8
5
18 3/4 43
7 1/8
5
18 3/4 43
7 1/8 5 3/4 18 3/4 46
6 1/2
6 18 13/16 30
6 1/2
6 18 13/16 32
6 1/2
6 18 13/16 32
6 18 13/16 34
6 1/2
6 1/2
6
18 1/8 42
6 1/2
6
18 1/8 45
6 1/2
6
18 1/8 45
6 1/2
6
18 1/8 46
8 1/4
6
19 7/8 55
6
18 3/8 44
6 3/4
6 3/4
6
18 3/8 46
6 3/4
6
18 3/8 47
6 3/4
6
18 3/8 49
8 1/4
6
19 7/8 63
7 1/8 6 1/2
21
45
7 1/8 6 1/2
21
48
7 1/8 6 1/2
21
50
7 1/8 6 1/2
21
51
7 1/8 6 1/2
21
48
21
51
7 1/8 6 1/2
7 1/8 6 1/2
21
51
7 1/8 6 1/2
21
54
7 1/8 6 1/2
21
50
7 1/8 6 1/2
21
55
7 1/8 6 1/2
21
53
7 1/8 6 1/2
21
56
8 1/4 6 1/2 22 1/4 63
7 1/8 6 1/2
21
54
7 1/8 6 1/2
21
55
7 1/8 6 1/2
21
56
7 1/8 6 1/2
21
58
22
72
8 1/4 6 1/2
Note: Weights are approximate.
Overall height with lever: Add 1" to outlet C, D & E valves. Add 11/2" to outlet F & G valves.
Hydroseal Series 1500/2500 Safety Relief Valves
7
Hydroseal Series 2500, Part Number Codes & Engineering Data
S
t
Inle
s
erie
e
Typ
t
a
Se
ize
eS
g
n
Fla
ce
Orifi
2
n. )
i
(
a
Are
ize
eS
g
n
Fla
let
t
u
ss
O
Cla
e
ang
t Fl
t)
e
l
In
utle
O
tx
nle
I
(
ing
l
Fac
eria
t
e
a
g
M
Flan
e
Cod
e
c
i
v
Ser
e
Typ
p
a
C
e
Cod
g
in
Spr
XX X XX XX XX X X XX X X / XX
Sizing Equations
Air/Gas
W= CK d AP1
M
TZ
Liquid
Q= 38K d K v A
P1 - Pd
G
Where
P1=1.1 Pset +14.7 over 30 psi or
P1 = Pset +17.7 under 30 psi
C= 520
k
2
k+1
k+1
k -1
B25 • With Bellows
C • Neoprene
E • EPDM
K • Kalrez®
M • Metal
N • Nitrile
S • Silicone
V • Fluorocarbon
10 • 1"
15 • 11/2"
20 • 2"
25 • 2 1/2"
30 • 3"
40 • 4"
60 • 6"
80 • 8"
DR • 0.120
ER • 0.227
F • 0.317
G • 0.568
H • 0.911
J • 1.457
K • 2.125
L • 3.281
M • 4.047
N • 4.988
P • 7.330
Q • 12.699
R • 18.383
T • 28.274
20 • 2"
25 • 2 1/2"
30 • 3"
40 • 4"
60 • 6"
80 • 8"
10 • 10"
ANSI B16.5
A • 150
B • 300 L.P.*
C • 300
D • 600
1 • RF x RF
2 • RTJ x RF
X • Special
Body/ Spring / Trim
C1 • WCB/CS or AS/ 316SS
C2 • WCB/316SS/ 316SS
C4 • WCB NACE/Inconel®/ 316SS
G • Closed w/Gag
L • Open Lever
M • Lever w/Gag
S1 • CF8M/SS/ 316SS
S3 • CF8M NACE/Inconel®/ 316SS
X1 • Special
G • Non-Code Steam
H • Non-Code Liquid
X • Special
A • ASME Sec. VIII Air/Gas
B • ASME Sec. VIII Steam
C • ASME Sec. VIII Liquid
F • Non-Code Air/Gas
O • Closed Lever
P • Packed Lever
S • Packed w/Gag
Consult Factory for Spring Chart.
*Max. set pressure for steam is 600 psig.
Lift lever is required for ASME code service for steam, air or water over 140˚F.
US Units
SI Units
W =
Pset =
Pd =
A =
Kd =
Kd =
Kv =
Q =
Z =
T =
k =
M =
G =
Capacity in lbm/hr
Set Pressure in psig
Discharge Pressure
Orifice Area
.878 for Air/Gas/Steam
.637 for Liquid
Viscosity Correction Factor
Capacity in GPM
Compressibility Factor
Temperature in˚R
Ratio of Specific Heats
Molecular Weight
Specific Gravity
Contact Factory in order to receive sizing program and/or capacity charts.
8
25 • Non-Bellows
Hydroseal Series 1500/2500 Safety Relief Valves
Air/Gas
W=13160 CK d AP1
M
TZ
Liquid
KdK v A
P1 - Pd
11.78
G
Where
P1=1.1 Pset +101.3 over 207 kPa or
P1 = Pset +122 under 207 kPa
Q=
C= 520
k
2
k+1
k+1
k -1
W =
Pset =
Pd =
A =
Kd =
Kd =
Kv =
Q =
Z =
T =
k =
M =
G =
Capacity in kg/hr
Set Pressure in kPag
Discharge Pressure
Orifice Area
.878 for Air/Gas/Steam
.673 for Liquid
Viscosity Correction Factor
Capacity in liter/min
Compressibility Factor
Temperature in˚K
Ratio of Specific Heats
Molecular Weight
Specific Gravity
Hydroseal Series 2500 Flanged, Dimensional Data & Weights
C
A
F
B
Inlet x
Outlet
1x2
1x2
1 1/2 x 2
11/2 x
2 1/2
11/2 x 3
1 1/2 x 3
2x3
2x3
2 1/2 x 4
Flange
Ratings
150 x 150
300 x 150
300 x 150
600 x 150
150 x 150
300 x 150
300 x 150
600 x 150
150 x 150
300 x 150
300 x 150
600 x 150
150 x 150
300 x 150
300 x 150
600 x 150
150 x 150
300 x 150
300 x 150
600 x 150
150 x 150
300 x 150
300 x 150
600 x 150
150 x 150
300 x 150
300 x 150
600 x 150
Type*
10DR20A
10DR20B
10DR20C
10DR20D
10ER20A
10ER20B
10ER20C
10ER20D
15F20A
15F20B
15F20C
15F20D
15G25A
15G25B
15G25C
15G25D
15G30A
15G30B
15G30C
15G30D
15H30A
15H30B
20H30C
20H30D
20J30A
20J30B
25J40C
25J40D
MaxSet
(psig)
285
285
740
1480
285
285
740
1480
285
285
740
1480
285
285
740
1480
285
285
740
1480
285
285
740
1480
285
285
740
1480
A
4 1/8
4 1/8
4 1/8
4 1/8
4 1/8
4 1/8
4 1/8
4 1/8
4 7/8
4 7/8
4 7/8
4 7/8
4 7/8
4 7/8
4 7/8
4 7/8
4 7/8
4 7/8
4 7/8
4 7/8
5 1/8
5 1/8
5 1/8
6 1/16
5 3/8
5 3/8
6 1/8
6 1/8
Dimension (in.)
B
C
4 1/2 21 1/2
4 1/2 21 1/2
4 1/2 21 1/2
4 1/2 21 1/2
4 1/2 21 1/2
4 1/2 21 1/2
4 1/2 21 1/2
4 1/2 21 1/2
4 3/4 21 1/2
4 3/4 21 1/2
6 21 1/2
6 21 1/2
3
4 /4 21 1/2
4 3/4 21 1/2
6 21 1/2
6 21 1/2
3
4 /4 21 1/2
4 3/4 21 1/2
6 21 1/2
6 21 1/2
7
4 /8 24 1/2
4 7/8 24 1/2
4 7/8 24 1/2
6 3/8 29
4 7/8 25 1/8
4 7/8 25 1/8
6 3/4 29 1/2
6 3/4 29 1/2
Note: Weights are approximate.
*Not a full model number. All 300 x 150 flanges, type “B” are light pattern.
Wt.
F
(lbs.)
1 1/4 49
1 3/8 50
1 3/8 50
1 3/8 50
1 1/4 49
1 3/8 50
1 3/8 50
1 3/8 50
1 5/16 54
1 7/16 56
1 7/16 64
1 1/2 64
1 5/16 55
1 7/16 58
1 7/16 66
1 1/2 69
1 5/16 60
1 7/16 63
1 7/16 70
1 1/2 73
1 1/2 60
1 1/2 60
1 1/2 65
1 1/2 85
1 1/2 75
1 1/2 80
2
100
2
105
Inlet x
Outlet
3x4
3x4
3x4
4x6
4x6
4x6
4x6
6x8
6x8
8 x 10
Flange
Ratings
300 x 150
600 x 150
150 x 150
300 x 150
300 x 150
600 x 150
150 x 150
300 x 150
300 x 150
600 x 150
150 x 150
300 x 150
300 x 150
600 x 150
150 x 150
300 x 150
300 x 150
600 x 150
150 x 150
300 x 150
300 x 150
600 x 150
150 x 150
300 x 150
300 x 150
600 x 150
150 x 150
300 x 150
300 x 150
600 x 150
150 x 150
300 x 150
300 x 150
Type*
30J40C
30J40D
30K40A
30K40B
30K40C
30K40D
30L40A
30L40B
40L60C
40L60D
40M60A
40M60B
40M60C
40M60D
40N60A
40N60B
40N60C
40N60D
40P60A
40P60B
40P60C
40P60D
60Q80A
60Q80B
60Q80C
60Q80D
60R80A
60R80B
60R80C
60R80D
80T10A
80T10B
80T10C
MaxSet
(psig)
740
1480
285
285
740
1480
285
285
740
1000
285
285
740
1000
285
285
740
1000
285
285
740
1000
165
165
300
600
100
100
230
300
65
65
120
A
7 1/4
7 1/4
6 1/8
6 1/8
6 1/8
7 1/4
6 1/8
6 1/8
7 1/16
7 1/16
7
7
7
7
7 3/4
7 3/4
7 3/4
7 3/4
7 1/8
7 1/8
8 7/8
8 7/8
9 7/16
9 7/16
9 7/16
9 7/16
9 7/16
9 7/16
9 7/16
9 7/16
10 7/8
10 7/8
10 7/8
Dimension (in.)
B
C
7 1/8 30 3/8
7 1/8 25 7/8
6 3/8 26 3/8
6 3/8 30 3/8
6 3/8 30 3/8
7 1/8 29 3/4
6 1/2 29 3/4
6 1/2 29 3/4
7 1/8 32 3/4
8 32 3/4
1
7 /4 29 3/4
7 1/4 29 3/4
7 1/4 32 3/4
8 33 3/4
1
8 /4 33 1/2
8 1/4 33 1/2
8 1/4 34 3/8
8 3/4 37 7/8
9 34 3/8
9 34 3/8
10 40 1/2
10 41 7/8
9 1/2 40 1/2
9 1/2 40 1/2
9 1/2 43 3/8
9 1/2 45 7/8
9 1/2 42
9 1/2 42
10 1/2 44 7/8
10 1/2 46 3/4
11 45 3/4
11 45 3/4
11 48 1/2
F
1 15/16
1 1/2
1 3/4
1 3/4
1 15/16
1 1/2
1 3/4
1 7/8
2 3/16
1 1/2
1 7/8
1 7/8
2 3/16
2
1 1/2
1 7/8
1 7/8
2 3/16
1 1/2
1 7/8
1 7/8
2 3/16
1 13/16
2 3/16
2 3/16
2 1/2
1 13/16
2 3/16
2 3/16
2 1/2
2 1/16
2 1/2
3
Wt.
(lbs.)
110
112
126
125
136
138
140
190
220
230
185
190
230
300
220
225
260
300
260
270
350
530
430
445
530
645
495
510
550
675
620
640
840
Hydroseal Series 1500/2500 Safety Relief Valves
9
Hydroseal Series 2500, Parts List & Material Selection
Index
Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
Cap
Adjusting Screw
Adjusting Lock Nut
Cap Gasket
Spring Plate
Stem
Spring
Stem Joint Ball
Stem Joint
Stem Joint Retainer
Guide
Guide Gasket
Disc
Drain Plug
Warn Ring
Nozzle
Gasket, Body/Nozzle
Bonnet
Bonnet Stud
Bonnet Stud Nuts
Body
Disc Holder
Disc Retaining Ring
Lock Pin Gasket
Lock Pin
Name Plate (Not Shown)
Soft Seat Option
Disc Holder
Seat O-Ring
Retaining Ring
O-Ring Retainer
Retaining Screw
Packed & Open Lift Lever
Shaft
Lever
Lever Pin
Lock Nut
Washer
Lift Dog
Nut
Stud
Gag Cap
Gag Bolt
Gag Nut
Washer
Bellows Valve
Bellows Assembly
Disc Holder Gasket
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
-20˚F to +450˚F
(-29˚C to +232˚C)
C1
Materials, Codes & Temperature Ranges
-20˚F to +450˚F
-20˚F to +800˚F
-450˚F to +450˚F
(-29˚C to +232˚C)
(-29˚C to +426˚C)
(-232˚C to +232˚C)
C2
C4
S1
-20˚F to +1000˚F
(-29˚C to +537˚C)
S3
ASTM A108
Plated Carbon Steel
Plated Carbon Steel
Stainless Steel
316 Stainless Steel
316 Stainless Steel
Carbon Steel
A493 Gr. B7
316 Stainless Steel
T302
17-4PH
Soft Iron
316SS or CF8M
SA105
316SS or CF8M
316SS or CF8M
Soft Iron
WCB
SA193 Gr. B7
SA194 Gr. 2H
WCB
316SS or CF8M
T302
Soft Iron
316 Stainless Steel
Stainless Steel
ASTM A108
316 Stainless Steel
316 Stainless Steel
Stainless Steel
316 Stainless Steel
316 Stainless Steel
T316
A493 Gr. B7
316 Stainless Steel
Inconel® X750
316 Stainless Steel
SA240 316
316SS or CF8M
SA105
316SS or CF8M
316SS or CF8M
316 Stainless Steel
WCB
SA193 Gr. B7
SA194 Gr. 2H
WCB
316SS or CF8M
Inconel® X750
SA240 316
316 Stainless Steel
Stainless Steel
ASTM A108
Plated Carbon Steel
Plated Carbon Steel
Stainless Steel
316 Stainless Steel
316 Stainless Steel
Inconel® X750
Cobalt
316 Stainless Steel
Inconel® X750
17-4PH
Soft Iron
316SS or CF8M
SA105
316SS or CF8M
316SS or CF8M
Soft Iron
WCB
320 L7M or Gr. 8
SA194 Gr. 2H
WCB
316SS or CF8M
Inconel® X750
Soft Iron
316 Stainless Steel
Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
Stainless Steel
316 Stainless Steel
316 Stainless Steel
T316
A493 Gr. 302
316 Stainless Steel
T302
A479 316
SA240 316
316SS or CF8M
SA182 F316
316SS or CF8M
316SS or CF8M
316 Stainless Steel
CF8M
SA193 Gr. B8
SA194 Gr. 8
CF8M
316SS or CF8M
Stainless Steel
SA240 316
316 Stainless Steel
Stainless Steel
316 Stainless Steel
316 Stainless Steel
316 Stainless Steel
Stainless Steel
316 Stainless Steel
316 Stainless Steel
Inconel® X750
A493 Gr. 302
316 Stainless Steel
Inconel® X750
17-4PH
SA240 316
316SS or CF8M
SA182 F316
316SS or CF8M
316SS or CF8M
316 Stainless Steel
CF8M
SA193 Gr. B8
SA194 Gr. 8
CF8M
316SS or CF8M
Inconel® X750
SA240 316
316 Stainless Steel
Stainless Steel
316 Stainless Steel
Specify
Inconel®
316 Stainless Steel
Stainless Steel
316 Stainless Steel
Specify
Inconel®
316 Stainless Steel
Stainless Steel
316 Stainless Steel
Specify
Inconel®
316 Stainless Steel
Stainless Steel
316 Stainless Steel
Specify
Inconel®
316 Stainless Steel
Stainless Steel
316 Stainless Steel
Specify
Inconel®
316 Stainless Steel
Stainless Steel
Stainless Steel
Carbon Steel
Carbon Steel
Carbon Steel
Carbon Steel
Stainless Steel
SA194 Gr. 2H
SA193 Gr. B7
Stainless Steel
Carbon Steel
Carbon Steel
Carbon Steel
Carbon Steel
Stainless Steel
SA194 Gr. 2H
SA193 Gr. B7
Stainless Steel
Carbon Steel
Carbon Steel
Carbon Steel
Carbon Steel
Stainless Steel
SA194 Gr. 2H
SA193 Gr. B7
Stainless Steel
Stainless Steel
Stainless Steel
Stainless Steel
Stainless Steel
Stainless Steel
SA194 Gr. 8
SA193 Gr. B8
Stainless Steel
Stainless Steel
Stainless Steel
Stainless Steel
Stainless Steel
Stainless Steel
SA194 Gr. 8
SA193 Gr. B8
Carbon Steel
Carbon Steel
Carbon Steel
Carbon Steel
Carbon Steel
Carbon Steel
Carbon Steel
Carbon Steel
Carbon Steel
Stainless Steel
Stainless Steel
Stainless Steel
Stainless Steel
Stainless Steel
Stainless Steel
316 Stainless Steel
Soft Iron
316 Stainless Steel
ASME SA240 316
Inconel® 625
Soft Iron
316 Stainless Steel
ASME SA240 316
Inconel® 625
ASME SA240 316
Hydroseal reserves the right to substitute Inconel® or 17/7SS in lieu of 316SS for higher pressure springs. Materials: WCB/WCC-ASME SA216, CF8M-ASME SA351
10 Hydroseal Series 1500/2500 Safety Relief Valves
Hydroseal Series 2500, Component Parts
35
1
36
1
Packed Lift Lever
37
2
32
3
38
4
39
33
1
35
36
5
Open Lift Lever
34
6
33
7
8
18
9
19
10
20
11
21
38
39
22
23
12
24
13
25
14
Bellows Valve
15
Gag Cap
40
41
42
16
17
Soft Seat Option
29
28
27
30
31
43
44
Hydroseal Series 1500/2500 Safety Relief Valves 11
Worldwide Sales Offices
Hydroseal, a leading brand of CIRCOR Energy Products, Inc.
reaches into every corner of the globe serving the oil & gas and industrial marketplace.
Supplying an extensive range of product offerings
through a worldwide network of manufacturer representatives and distributors,
Hydroseal is the right choice for all your instrumentation needs.
World Headquarters
Local Representative
Hydroseal
1500 S.E. 89th Street
Oklahoma City, OK 73149 USA
Phone: (405) 631-1533
Fax: (405) 631-5034
E-mail: sales@circorenergy.com
www.circorenergy.com
Registered to the ISO 9001
Quality System Standard,
accredited by U.K., Dutch
and German qualifying
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