VCR Metal Gasket
Face Seal Fittings
®
■ 1/8 to 1 in. and 6 to 18 mm sizes
■ high-purity stainless steels
www.swagelok.com
General Information
VCR Metal Gasket
Face Seal Fittings
Index
Glands
Pages 4, 5, 6
Materials
Ordering
Number
Designator
Material
Glands, Bodies and Nuts
316 stainless steel
Bodies
SS
316L stainless steel
Pages 6, 7, 8, 9
Welded Assemblies
Page 10
316L
316L VAR (Vacuum Arc Remelt)
stainless steel
Gaskets
nickel
316 stainless steel
copper
6LV
NI
SS
CU
Applicable Specification
barstock: ASME SA479, ASTM A276
forgings: ASME SA182, ASTM A314
barstock: ASME SA479
ASTM A276
forgings: ASTM A182
barstock: ASME SA479, ASTM A276
forgings: ASTM A182
ASTM B162
ASTM A240, ASTM A167
ASTM B152
Plating
VCR female nuts are silver plated and lubricated. Avoid chemical processes
used for cleaning, electropolishing and passivation that will remove plating.
If the plating is damaged or removed, thread galling will occur, damaging fitting components and preventing a proper seal.
Dimensions
Gaskets
Page 11
■ Dimensions are in inches and (mm) — for reference only, subject
to change.
■ E dimension references the smallest nominal inside diameter of
the part.
Pressure Ratings
■ Ratings are based upon tests conducted using VCR assemblies.
■ All ratings comply with calculations per ANSI Code for Pressure
Piping B31.3.
■ To determine pressure ratings in accordance with ANSI B31.1,
Nuts, Caps, and Plugs
Page 12
multiply psig rating by 0.94.
■ Ratings determined at ambient temperature.
Temperature Ratings
Temperature
Components
High-Flow Connections
Pages 13, 14
Fittings
Gaskets
Anti-Twist Design Components
Page 14
Material
°F
°C
316 stainless steel
1000
537
316L stainless steel
1000
537
316LV stainless steel
1000
537
316 stainless steel
1000
537
nickel
copper
600
400
315
204
Testing
The VCR assembly with silver plating has been helium leak tested to a
rate of 4 10 -9 std cm3/s and the unplated gasket to a rate
of 4 10 -11 std cm3/s without leakage.
Ultra-High-Purity
A variety of VCR face seal glands and bodies are available with
controlled surface finishes, electropolished, and specially cleaned
to meet Ultra-High-Purity system requirements. For more information
see Swagelok ® Specification SC-01.
Lock and Tag Devices
Page 14
Handling, Assembly, and Disassembly
Page 15
2
Ordering Information
To order fittings manufactured according to Swagelok Specification SC-01
use the following designator code as a suffix to the Ordering Number.
Example: 6LV-4-VCR-3-4TB7P
Surface Finish
Designator
Average
Maximum
P
5 in. (0.13 m)
10 in. (0.25 m)
VCR Metal Gasket
Face Seal Fittings
Test port at
two locations
for easy leak testing
Side-load retainer gasket
for easy installation, minimal
clearance for removal
Markings identify manufacturer, material,
and when applicable, the appropriate
process designator according to
Swagelok Specification SC-01.
Standard surface finish on glands and
bodies is a maximum 20 in. (0.51 m) Ra.
Material heat code is
stamped on 316LV glands
and all shapes to ensure
raw material traceability.
no “virtual leak” zones
Precision manufactured gasket
for maximum performance
Female threads are silver-plated to ensure
easy assembly and consistent make-up
VCR components offer the high purity of a
metal-to-metal seal, providing leak-free service
from critical vacuum to positive pressure.
The seal on a VCR assembly is made when the
gasket is compressed by two highly polished beads
during the engagement of a male nut or body hex
and a female nut.
Minimal clearance
required for removal
Typical VCR Assemblies
VCR assemblies are made up of four or five basic components.
Female Nut
Gland
Side-Load
Retainer Gasket
Gland
Male Nut
OR
Female Nut
Gland
Gasket
Body
3
VCR Metal Gasket
Face Seal Fittings
Short tube butt weld
Glands
T
Tube
OD
Working
Pressure
in.
mm
in.
mm
in.
mm
Nominal
Wall
Thickness
6LV-2-VCR-3S-2TB7➄
6LV-4-VCR-3S-4TB2➀
6LV-4-VCR-3S-4TB3
6LV-4-VCR-3S-4TB7➀
6LV-8-VCR-3S-4TB7
6LV-8-VCR-3S-6TB2
6LV-8-VCR-3S-6TB7➀
6LV-8-VCR-3S-8TB2
6LV-8-VCR-3S-8TB3
6LV-8-VCR-3S-8TB7➀
0.75
0.25
0.38
0.75
0.75
0.25
0.75
0.25
0.38
0.75
19.1
6.4
9.6
19.1
19.1
6.4
19.1
6.4
9.6
19.1
0.06
0.18
0.18
0.18
0.18
0.31
0.31
0.40
0.40
0.40
1.5
4.6
4.6
4.6
4.6
7.9
7.9
10.2
10.2
10.2
1.080
0.600
0.720
1.100
1.120
0.620
1.120
0.620
0.740
1.120
27.4
15.2
18.3
27.9
28.4
15.7
28.4
15.7
18.8
28.4
0.028
0.035
0.035
0.035
0.035
0.035
0.035
0.049
0.049
0.049
6LV-4-VCR-3S-6MTB7
316L-4-VCR-3S-8MTB7
316L-8-VCR-3S-10MTB7
316L-8-VCR-3S-12MTB7
316L-12-VCR-3S-18MTB7
0.75
0.75
0.75
0.75
0.75
19.1
19.1
19.1
19.1
19.1
0.16
0.24
0.31
0.39
0.59
4.0
6.0
8.0
10.0
15.0
1.160
1.160
1.160
1.160
1.220
29.5
29.5
29.5
29.5
31.0
1.0 mm
1.0 mm
1.0 mm
1.0 mm
1.5 mm
psig
bar
8500➃
5100
5100
5100
5100
3500➂➃
3300➃
3300➃
3500➃
3500➃
3500➃
2400
2400➃
580➃
350
350
350
350
240➂➃
220➃
220➃
240➃
240➃
240➃
160
160➃
6800➃
4900
3500➃
3100➃
3000➃
460➃
330
240➃
210➃
200➃
C
Ordering
Number
E
H
psig
bar
fractional
T
¹⁄₈
¹⁄₄
¹⁄₄
¹⁄₄
¹⁄₄
³⁄₈
³⁄₈
¹⁄₂
¹⁄₂
¹⁄₂
E
C
H
8500➃
5100
5100
5100
3500➂➃
3300➃
3300➃
3500➃
3500➃
3500➃
580➃
350
350
350
240➂➃
220➃
220➃
240➃
240➃
240➃
6800➃
4900
3500➃
3100➃
3000➃
460➃
330
240➃
210➃
200➃
metric
6 mm
8 mm
10 mm
12 mm
18 mm
Long tube butt weld
T
Tube
OD
in.
mm
in.
mm
in.
mm
Nominal
Wall
Thickness
6LV-2-VCR-3-2TB7➄
6LV-4-VCR-3-4TB2
6LV-4-VCR-3-02205
6LV-4-VCR-3-4TB3
6LV-4-VCR-3-4TB7➀
6LV-8-VCR-3-4TB7
6LV-8-VCR-3-6TB2
6LV-8-VCR-3-6TB7
6LV-8-VCR-3-8TB2
6LV-8-VCR-3-8TB3
6LV-8-VCR-3-8TB7
6LV-12-VCR-3-12TB7
6LV-16-VCR-3-16TB7
0.75
0.25
0.36
0.38
0.75
0.75
0.25
0.75
0.25
0.38
0.75
0.75
0.75
19.1
6.4
9.1
9.6
19.1
19.1
6.4
19.1
6.4
9.6
19.1
19.1
19.1
0.06➁
0.18
0.18
0.18
0.18
0.18
0.31
0.31
0.40
0.40
0.40
0.65
0.87
1.5➁
4.6
4.6
4.6
4.6
4.6
7.9
7.9
10.2
10.2
10.2
16.5
22.1
1.420
1.200
1.310
1.320
1.700
1.800
1.290
1.790
1.290
1.410
1.790
2.030
2.320
36.1
30.5
33.3
33.5
43.2
45.7
32.8
45.5
32.8
35.8
45.5
51.6
58.9
0.028
0.035
0.035
0.035
0.035
0.035
0.035
0.035
0.049
0.049
0.049
0.049
0.065
6LV-4-VCR-3-6MTB7
316L-4-VCR-3-8MTB7
316L-8-VCR-3-10MTB7
316L-8-VCR-3-12MTB7
316L-12-VCR-3-18MTB7
0.75
0.75
0.75
0.75
0.75
19.1
19.1
19.1
19.1
19.1
0.16
0.24
0.31
0.39
0.59
4.0
6.0
8.0
10.0
15.0
1.700
1.700
1.790
1.790
2.030
43.2
43.2
45.5
45.5
51.6
1.0 mm
1.0 mm
1.0 mm
1.0 mm
1.5 mm
C
Ordering
Number
E
H
Working
Pressure
fractional
T
¹⁄₈
¹⁄₄
¹⁄₄
¹⁄₄
¹⁄₄
¹⁄₄
³⁄₈
³⁄₈
¹⁄₂
¹⁄₂
¹⁄₂
³⁄₄
1
E
C
H
metric
6 mm
8 mm
10 mm
12 mm
18 mm
Short automatic tube butt weld
T
Tube
Size
Ordering
Number
C
in.
D
mm
in.
E
mm
in.
H
mm
in.
Tx
mm
in.
Working
Pressure
Nominal
Wall
mm Thickness
psig
bar
fractional
Tx T
D
¹⁄₄
¹⁄₂
³⁄₈
E
0.75 19.1 0.02 0.5 0.18 4.6 1.12 28.4 0.29 7.4
0.75 19.1 0.04 1.0 0.40 10.2 1.16 29.5 0.55 14.0
0.75 19.1 0.03 0.8 0.31 7.9 1.15 29.2 0.41 10.4
0.035
0.049
0.035
5100
3500➃
3300➃
350
240➃
220➃
6800➃
4900
3500➃
3100➃
460➃
330
240➃
210➃
metric
C
H
6 mm
8 mm
10 mm
12 mm
➀
➁
➂
4
316L-4-VCR-3AS
316L-8-VCR-3AS
316L-8-VCR-3AS6
316L-4-VCR-3-6MAS
316L-4-VCR-3-8MAS
316L-8-VCR-3-10MAS
316L-8-VCR-3-12MAS
0.75
0.75
0.75
0.75
19.1
19.1
19.1
19.1
Also available in alloy C-22 (HC22) material.
May contain internal diameter transitions.
When using a stainless steel gasket assembly,
the pressure rating for the VCR end is 25 %
higher than the listed working pressure.
0.02
0.03
0.03
0.04
➃
➄
0.5
0.8
0.8
1.0
0.16
0.24
0.31
0.39
4.0
6.0
8.0
10.0
1.18
1.19
1.22
1.20
30.0
30.2
31.0
30.5
0.27 6.8 1.0 mm
0.35 8.9 1.0 mm
0.43 10.9 1.0 mm
0.52 13.2 1.0 mm
When using a copper gasket assembly, the pressure rating for the
VCR end is 20 % less than the listed working pressure.
Not designed for gasket retainer assembly.
VCR Metal Gasket
Face Seal Fittings
Long automatic tube butt weld
T
Tube
Size
C
Ordering
Number
D
E
in.
mm
in.
mm
0.75
0.75
0.75
0.75
0.75
0.96
19.1
19.1
19.1
19.1
19.1
24.4
0.02
0.02
0.03
0.04
0.04
0.04
0.5
0.5
0.8
1.0
1.0
1.0
in.
H
mm
Tx
in.
mm
in.
Working
Pressure
Nominal
Wall
mm Thickness
psig
bar
5100
3500➅
3300➅
3500➅
2400
2400➅
350
240➅
220➅
240➅
160
160➅
fractional
¹⁄₄
¹⁄₄
³⁄₈
¹⁄₂
³⁄₄
1
D
C
Tx T
E
H
316L-4-VCR-3A
316L-8-VCR-3A4
316L-8-VCR-3A6
316L-8-VCR-3A
316L-12-VCR-3A
316L-16-VCR-3A
0.18 4.6 1.72 43.7
0.18 4.6 1.82 46.2
0.31 7.9 1.82 46.2
0.40 10.2 1.83 46.5
0.65 16.5 2.07 52.6
0.87 22.1 2.57 65.3
0.29
0.29
0.41
0.55
0.80
1.06
7.4
7.4
10.4
14.0
20.3
26.9
0.035
0.035
0.035
0.049
0.049
0.065
metric
0.16 4.0 1.72 43.7 0.27 6.8 1.0 mm 6800➅ 460➅
0.39 10.0 1.83 46.5 0.52 13.2 1.0 mm 3100➅ 210➅
0.59 15.0 2.07 52.6 0.76 19.3 1.5 mm 3000➅ 200➅
6 mm 316L-4-VCR-3-6MA
0.75 19.1 0.02 0.5
12 mm 316L-8-VCR-3-12MA 0.75 19.1 0.04 1.0
18 mm 316L-12-VCR-3-18MA 0.75 19.1 0.04 1.0
Short socket weld
T
Tube
Socket
D
E
H
Working
Pressure
Tx
Ordering
Number
in.
mm
in.
mm
in.
mm
in.
mm
psig
bar
SS-4-VCR-3-.50LG
SS-4-VCR-3-.75LG
0.28
0.28
7.1
7.1
0.18
0.18
4.6
4.6
0.50
0.75
12.7
19.1
0.35
0.35
8.9
8.9
5500
5500
370
370
fractional
¹⁄₄
¹⁄₄
E
Tx T
D
H
Socket weld
T
Tube
Socket
Ordering
Number
D
E
H
Working
Pressure
Tx
in.
mm
in.
mm
in.
mm
in.
mm
psig
0.10
0.10
0.28
0.31
0.38
0.44
0.62
2.5
2.5
7.1
7.9
9.6
11.2
15.7
0.05
0.09
0.18
0.28
0.40
0.62
0.87
1.3
2.3
4.6
7.1
10.2
15.7
22.1
0.70
0.70
1.31
1.50
1.50
2.00
2.22
17.8
17.8
33.3
38.1
38.1
50.8
56.4
0.13
0.20
0.35
0.60
0.60
0.88
1.19
3.3
5.1
8.9
15.2
15.2
22.4
30.2
bar
fractional
Tx T
SS-1-VCR-3➀➁
SS-2-VCR-3➁
SS-4-VCR-3➅
SS-6-VCR-3➂
SS-8-VCR-3
SS-12-VCR-3
SS-16-VCR-3
¹⁄₁₆
¹⁄₈
¹⁄₄
³⁄₈
¹⁄₂
³⁄₄
E
D
H
1
9000➅
7100
5500
3500➃➅
3000➅
2800➅
2400➃➅
620➅
480
370
240➃➅
200➅
190➅
160➃➅
Reducing socket weld
T
Tube
Socket
Ordering
Number
D
E
in.
mm
0.10
0.28
2.5
7.1
in.
H
mm
Working
Pressure➃➅
Tx
in.
mm
in.
mm
psig
bar
1.31
1.50
33.3
38.1
0.35
0.60
8.9
15.2
8000
3500
550
240
fractional
Tx
T
SS-4-VCR-3-2TSW➁
SS-8-VCR-3-4TSW
¹⁄₈
¹⁄₄
E
D
0.09➄ 2.3➄
0.18➃ 4.6
H
Blind (undrilled) gland
T
Tube
Socket
Ordering
Number
H
in.
mm
0.70
1.31
1.50
2.00
2.22
17.8
33.3
38.1
50.8
56.4
fractional
¹⁄₈
¹⁄₄
¹⁄₂
³⁄₄
T
H
1
➀
➁
➂
SS-2-VCR-3-BL➁
SS-4-VCR-3-BL
SS-8-VCR-3-BL
SS-12-VCR-3-BL
SS-16-VCR-3-BL
Uses SS-2-VCR-1 and SS-2-VCR-4 nuts.
Not designed for gasket retainer assembly.
Uses SS-8-VCR-1 and SS-8-VCR-4 nuts.
➃ When using a stainless steel gasket assembly, the pressure rating
for the VCR end is 25 % higher than the listed working pressure.
➄ May contain internal diameter transitions.
➅ When using a copper gasket assembly, the pressure rating for the
VCR end is 20 % less than the listed working pressure.
5
VCR Metal Gasket
Face Seal Fittings
Glands
Male weld
T
Tube
OD
C
E
Working
Pressure➅
H
Ordering
Number
in.
mm
in.
mm
in.
mm
psig
bar
SS-2-VCR-3-2MTW➂
SS-4-VCR-3-2MTW
SS-4-VCR-3-4MTW
SS-8-VCR-3-4MTW
SS-8-VCR-3-6MTW
SS-8-VCR-3-8MTW
SS-12-VCR-3-12MTW
SS-16-VCR-3-16MTW
0.28
0.28
0.41
0.41
0.41
0.50
0.62
0.81
7.1
7.1
10.4
10.4
10.4
12.7
15.7
20.6
0.06 ➀
0.06 ➀
0.12
0.12
0.28
0.40
0.53
0.75
1.5➀
1.5➀
3.0
3.0
7.1
10.2
13.5
19.1
0.70
1.31
1.31
1.50
1.50
1.50
2.00
2.22
17.8
33.3
33.3
38.1
38.1
38.1
50.8
56.4
9000➄
8000➄
8000➄
3500➄
3500➄
3500➄
3000➄
2400➄
620➄
550➄
550➄
240➄
240➄
240➄
200➄
160➄
fractional
T
¹⁄₈
¹⁄₈
¹⁄₄
¹⁄₄
³⁄₈
¹⁄₂
³⁄₄
E
C
H
1
Tube adapter
T
Tube
OD
C
E
Ordering
Number
in.
mm
SS-4-VCR-3-4TA
SS-8-VCR-3-6TA
SS-8-VCR-3-8TA
0.64
0.70
0.96
16.2
17.8
24.4
Working
Pressure➄➅
H
in.
mm
in.
mm
psig
bar
1.62
1.81
1.94
41.0
46.0
49.3
8000
3500
3500
550
240
240
fractional
T
¹⁄₄
³⁄₈
¹⁄₂
E
4.3
0.17
0.27➀ 6.8➀
0.37
9.4
Note: VCR Tube Adapter Glands are to be used only in Swagelok tube fittings.
C
H
Bodies
Male NPT connector ➁
P
Male
NPT
Size
C
in.
mm
SS-2-VCR-1-1➂
SS-2-VCR-1-2➂
SS-4-VCR-1-2
SS-4-VCR-1-4
SS-8-VCR-1-6
SS-8-VCR-1-8
SS-12-VCR-1-12
SS-16-VCR-1-16
0.38
0.38
0.38
0.56
0.56
0.75
0.75
0.94
9.6
9.6
9.6
14.2
14.2
19.1
19.1
23.9
in.
Working
Pressure➅
mm
F
Hex
Flat
in.
mm
psig
bar
2.3➀
2.3➀
4.6
4.6
9.6
10.2
15.7
22.1
³⁄₈
⁷⁄₁₆
⁵⁄₈
⁵⁄₈
¹⁵⁄₁₆
¹⁵⁄₁₆
1 ⁵⁄₁₆
1 ⁵⁄₈
1.07
1.07
1.31
1.49
1.65
1.84
2.19
2.47
27.2
27.2
33.3
37.8
41.9
46.7
55.6
62.7
9000➄
9000➄
8000➄
8000➄
3500➄
3500➄
3000➄
2400➄
620➄
620➄
550➄
550➄
240➄
240➄
200➄
160➄
E
Ordering
Number
H
fractional
F
¹⁄₁₆
¹⁄₈
¹⁄₈
¹⁄₄
³⁄₈
¹⁄₂
³⁄₄
P
E
C
H
1
0.09➀
0.09➀
0.18
0.18
0.38
0.40
0.62
0.87
Male bulkhead connector ➁
P
Male
NPT
Size
Ordering
Number
Max.
F
F1
Panel Panel
H
L
Hex Hex
Hole -Thickin. mm in. mm in. mm in. mm Flat Flat in. mm in. mm Size ness
C
D
E
Working
Pressure➅
E1
psig
bar
fractional
¹⁄₄
¹⁄₄
F1
F
P
SS-4-VCR-A1-4M 0.62 15.7 0.56 14.2 0.18 4.6 0.28 7.1 ¹³⁄₁₆ ¹³⁄₁₆ 2.21 56.1 1.24 31.5 ₂₁⁄₃₂
SS-8-VCR-A1-4M 0.75 19.1 0.56 14.2 0.40 10.2 0.28 7.1 ¹⁵⁄₁₆ ¹³⁄₁₆ 2.34 59.4 1.24 31.5 ₂₁⁄₃₂
0.38 8000 550
0.38 3500➄ 240➄
E1
E
D
C
L
H
Straight thread o-ring seal male connector ➁➃
S
Straight
Thread
Size
F
Ordering
Number
C
D
E
in. mm in. mm in. mm
E1
in.
mm
F
Hex
Flat
H
in.
mm
Uniform
O-ring
Size
Working
Pressure
psig
bar
fractional
S
E
E1
⁹⁄₁₆-18 SS-4-VCR-1-00032 0.39 9.9 0.25 6.4 0.18 4.6 0.28 7.1 ³⁄₄ 1.33 33.8 fluorocarbon 906 4500 310
⁷⁄₈-14 SS-8-VCR-1-00176 0.50 12.7 0.40 10.2 0.28 7.1 0.59 15.0 1
1.66 42.2 fluorocarbon 910 3500➅ 240➅
⁹⁄₁₆-18 SS-8-VCR-1-01081 0.39 9.9 n/a n/a 0.28 7.1 0.28 7.1 ¹⁵⁄₁₆ 1.48 37.6 fluorocarbon 906 3500➅ 240➅
D
C
H
6
➀ May contain internal diameter transitions.
➁ VCR components with fixed threads must remain stationary during
installation. These fitting connections should be assembled only to
glands with rotating male or female threaded nuts.
➂ Not designed for gasket retainer assembly.
➃ O-rings – fluorocarbon FKM standard, other materials available.
Note: O-rings are assembled with a silicone vacuum grease.
➄ When using a stainless steel gasket assembly, the pressure rating
for the VCR end is 25 % higher than the listed working pressure.
➅ When using a copper gasket assembly, the pressure rating for the
VCR is 20 % less than the listed working pressure.
VCR Metal Gasket
Face Seal Fittings
Female NPT connector ➀
P
Female
NPT
Size
in.
SS-2-VCR-7-1➁
SS-2-VCR-7-2➁
SS-4-VCR-7-2
SS-4-VCR-7-4
SS-8-VCR-7-6
SS-8-VCR-7-8
SS-12-VCR-7-12
SS-16-VCR-7-16
0.09
0.09
0.18
0.18
0.40
0.40
0.62
0.87
Working
Pressure
mm
F
Hex
Flat
in.
mm
2.3
2.3
4.6
4.6
10.2
10.2
15.7
22.1
⁷⁄₁₆
⁹⁄₁₆
⁵⁄₈
³⁄₄
¹⁵⁄₁₆
1 ¹⁄₁₆
1 ⁵⁄₁₆
1 ⁵⁄₈
1.10
1.19
1.41
1.54
1.76
1.99
2.36
2.51
27.9
30.2
35.8
39.1
44.7
50.5
59.9
63.8
E
Ordering
Number
H
psig
bar
fractional
F
¹⁄₁₆
¹⁄₈
¹⁄₈
¹⁄₄
³⁄₈
¹⁄₂
³⁄₄
E
P
H
1
6700
6500
8000➄
6600➄
3500➂➄
3500➂➄
3000➂➄
2400➂➄
460
440
550➄
450➄
240➂➄
240➂➄
200➂➄
160➂➄
Swagelok tube fitting connector ➀
T
Tube
O.D.
F
C
D
in.
mm
in.
mm
in.
SS-4-VCR-6-200
SS-4-VCR-6-400
SS-8-VCR-6-600
SS-8-VCR-6-810
0.60
0.70
0.76
0.86
15.2
17.8
19.3
21.8
0.50
0.60
0.66
0.90
12.7
15.2
16.8
22.9
.09➃
.18
.28➃
.40
fractional
G
¹⁄₈
¹⁄₄
³⁄₈
¹⁄₂
T
E
D
C
mm
G
Hex
Flat
in.
mm
psig
bar
2.3➃
4.6
7.1➃
10.2
⁵⁄₈
⁵⁄₈
¹⁵⁄₁₆
¹⁵⁄₁₆
⁷⁄₁₆
⁹⁄₁₆
¹¹⁄₁₆
⁷⁄₈
1.53
1.62
1.84
1.95
38.9
41.1
46.7
49.5
8000
8000
3500
3500
550
550
240
240
H
For tubing maximum pressure ratings for use with Swagelok tube
fittings, see the Tubing Data Sheet in the Technical Information
subsection of your Swagelok Product Binder.
Dimensions – C, D, H, are typical finger-tight.
Note: Swagelok nuts and ferrules are provided assembled, as shown.
H
Working
Pressure➂➄
F
Hex
Flat
E
Ordering
Number
Swagelok tube fitting bulkhead connector ➀
F
F1
T
Tube
O.D.
G
C
Ordering
Number
in.
D
mm
in.
E
mm
in.
F
F1
G
Hex Hex Hex
mm Flat Flat Flat
H
in.
Max.
Panel Panel
Hole -Thickmm Size ness
fractional
T
E
D
C
¹⁄₄
¹⁄₄
³⁄₈
¹⁄₂
psig
bar
8000
8000
3500
3500
550
550
240
240
fractional
SS-4-VCR-A1-400
SS-4-VCR-A1S-400
SS-8-VCR-A1-600
SS-8-VCR-A1-810
1.32
1.05
1.45
1.65
33.5
26.7
36.8
41.9
0.60
0.60
0.66
0.90
15.2
15.2
16.8
22.9
0.18
0.18
0.28
0.40
4.6
4.6
7.1
10.2
⁵⁄₈
⁵⁄₈ ⁹⁄₁₆ 2.25
⁵⁄₈
⁵⁄₈ ⁹⁄₁₆ 1.88
¹⁵⁄₁₆ ³⁄₄ ¹¹⁄₁₆ 2.54
¹⁵⁄₁₆ ¹⁵⁄₁₆ ⁷⁄₈ 2.74
Dimensions – C, D, H, are typical finger-tight.
Note: Swagelok nuts and ferrules are provided assembled, as shown.
H
Working
Pressure➂➄
₁₅⁄₃₂
₁₅⁄₃₂
₁₉⁄₃₂
₂₅⁄₃₂
57.2
47.8
64.5
69.6
0.40
0.13
0.44
0.50
For tubing maximum pressure ratings for use with Swagelok tube
fittings, see the Tubing Data Sheet in the Technical Information
subsection of your Swagelok Product Binder.
Double male union ➀
in.
mm
F
Hex
Flat
0.09
0.18
0.40
0.62
0.87
2.3
4.6
10.2
15.7
22.1
³⁄₈
⁵⁄₈
¹⁵⁄₁₆
1 ⁵⁄₁₆
1 ⁵⁄₈
E
Ordering
Number
F
SS-2-VCR-6-DM➁
SS-4-VCR-6-DM
SS-8-VCR-6-DM
SS-12-VCR-6-DM
SS-16-VCR-6-DM
E
H
Working
Pressure➂➄
H
in.
mm
psig
bar
1.13
1.55
1.84
2.44
2.59
28.7
39.4
46.7
62.0
65.8
9000
8000
3500
3000
2400
620
550
240
200
160
Double male reducing union ➀
F
E
E1
H
F
E➁
in.
mm
in.
SS-4-VCR-6-DM-2
SS-8-VCR-6-DM-4
0.09
0.18
2.3
4.6
0.18
0.40
Working
Pressure➂➄
mm
F
Hex
Flat
in.
mm
psig
bar
4.6
10.2
⁵⁄₈
¹⁵⁄₁₆
1.37
1.71
34.8
43.4
8000
3500
550
240
E1
Ordering
Number
H
Bulkhead union ➀
F1
Ordering
Number
in.
mm
in.
mm
F
Hex
Flat
SS-4-VCR-61
SS-4-VCR-61S
SS-8-VCR-61
SS-8-VCR-61S
1.30
0.99
1.48
1.11
33.0
25.1
37.6
28.2
0.18
0.18
0.40
0.40
4.6
4.6
10.2
10.2
³⁄₄
³⁄₄
1 ¹⁄₁₆
1 ¹⁄₁₆
C
E
E
F1
Hex
Flat
in.
³⁄₄
³⁄₄
1 ¹⁄₁₆
1 ¹⁄₁₆
2.23
1.82
2.57
2.14
mm
Panel
Hole
Size
Max.
Panel
-Thickness
56.6
46.2
65.3
54.4
₁₉⁄₃₂
₁₉⁄₃₂
₂₉⁄₃₂
₂₉⁄₃₂
0.44
0.13
0.50
0.13
H
Working
Pressure➂➄
psig
bar
8000
8000
3500
3500
550
550
240
240
➀ VCR components with fixed threads must remain station-
➂ When using a stainless steel gasket assembly, the pressure rating
ary during normal installation. These fitting connections
should be assembled only to glands with rotating male or
female threaded nuts.
Not designed for gasket retainer assembly.
➃ May contain internal diameter transitions.
➄ When using a copper gasket assembly, the pressure rating for the
C
H
➁
for the VCR end is 25 % higher than the listed working pressure.
VCR end is 20 % less than the listed working pressure.
7
VCR Metal Gasket
Face Seal Fittings
Tube butt weld bulkhead connector ➀
F
T
Tube
OD
Size
F1
B
F
F1
Hex Hex
in. mm in. mm in. mm in. mm Flat Flat
B
Ordering
Number
C
E
E1
H
in.
Max.
Working
Panel Panel Pressure
Hole -Thickmm Size ness psig bar
fractional
T E
E1
¹⁄₄
¹⁄₄
6LV-4-VCR-61-4TB7 0.75 19.1 1.30 33.0 0.18 4.6 0.22 5.6 ³⁄₄
6LV-4-VCR-61S-4TB7 0.75 19.1 0.99 25.1 0.18 4.6 0.22 5.6 ³⁄₄
³⁄₄
³⁄₄
₁₉⁄
³²
₁₉⁄
³²
2.36 59.9
1.95 49.5
0.44 5100 350
0.13 5100 350
C
H
Coupling
Leak test
ports
F
F
Hex
Flat
Ordering
Number
⁷⁄₁₆
³⁄₄
1 ¹⁄₁₆
1 ¹⁄₂
1 ³⁄₄
SS-2-VCR-CG
SS-4-VCR-CG
SS-8-VCR-CG
SS-12-VCR-CG
SS-16-VCR-CG
H
Leak
test
ports
F
E
H
in.
mm
0.66
1.19
1.31
1.68
2.04
16.8
30.2
33.3
42.7
51.8
Double female reducing union ➀
Working
Pressure➁➂
mm
F
Hex
Flat
in.
mm
in.
mm
psig
bar
3.3
6.4
³⁄₄
1 ¹⁄₁₆
1.16
1.41
29.5
35.8
0.36
0.35
9.1
8.9
8000
3500
550
240
in.
mm
F
Hex
Flat
in.
mm
in.
mm
psig
bar
0.09
0.18
2.3
4.6
³⁄₄
1 ¹⁄₁₆
1.19
1.41
30.2
35.8
0.69
0.85
17.5
21.6
8000
3500
550
240
in.
mm
in.
mm
psig
bar
1.06
1.41
26.9
35.8
0.76
0.91
19.3
23.1
8000
3500
550
240
E
Ordering
Number
in.
SS-4-VCR-6-DF-2
SS-8-VCR-6-DF-4
0.13
0.25
H
Y
Y
H
Reducing adapter ➀
Leak test
ports
F
E
Ordering
Number
E
SS-2-VCR-7-4VCRF➃
SS-4-VCR-7-8VCRF
H
Working
Pressure➁➂
Y
Y
H
Reducing bushing ➀
Leak test
ports
F
Ordering
Number
in.
mm
F
Hex
Flat
SS-4-VCR-7-2VCRF
SS-8-VCR-7-4VCRF
0.13
0.25
3.3
6.4
⁵⁄₈
¹⁵⁄₁₆
E
Y
E
H
Working
Pressure➁➂
Y
H
VCR to male NPT elbow ➀
P
Male
NPT
Size
B
C
D
in.
mm
in.
mm
in.
mm
in.
SS-4-VCR-2-2
SS-4-VCR-2-4
SS-8-VCR-2-6
SS-8-VCR-2-8
1.07
1.07
1.45
1.45
27.2
27.2
36.8
36.8
0.87
1.05
1.26
1.45
22.1
26.7
32.0
36.8
0.38
0.56
0.56
0.75
9.6
14.2
14.2
19.1
0.18
0.18
0.40
0.40
Working
Pressure➂
mm
F
Wrench
Flat
psig
bar
4.6
4.6
10.2
10.2
¹⁄₂
¹⁄₂
¹³⁄₁₆
¹³⁄₁₆
8000➁
8000
3500➁
3500➁
550➁
550
240➁
240➁
E
Ordering
Number
fractional
B
¹⁄₈
¹⁄₄
³⁄₈
¹⁄₂
F
E
C
P
D
➀ VCR components with fixed threads must remain stationary
8
during installation. These fitting connections should be
assembled only to glands with rotating male or female
threaded nuts.
➁ When using a stainless steel assembly, the pressure rating for the
VCR end is 25 % higher than the listed working pressure.
➂ When using a copper gasket assembly, the pressure rating for
the VCR end is 20 % less than the listed working pressure.
➃ Not designed for gasket retainer assembly.
VCR Metal Gasket
Face Seal Fittings
Union elbow ➀
F
E
B
in.
mm
in.
SS-2-VCR-9➁
SS-4-VCR-9
SS-8-VCR-9
SS-12-VCR-9
SS-16-VCR-9
0.89
1.07
1.45
1.92
2.00
22.6
27.2
36.8
48.8
50.8
0.09
0.18
0.40
0.62
0.87
Working
Pressure➂➃
mm
F
Wrench
Flat
psig
bar
2.3
4.6
10.2
15.7
22.1
⁷⁄₁₆
¹⁄₂
¹³⁄₁₆
1 ¹⁄₄
1 ¹¹⁄₁₆
9000
8000
3500
3000
2400
620
550
240
200
160
E
Ordering
Number
B
Union tee ➀
F
B
E
in.
mm
in.
mm
in.
SS-2-VCR-T➁
SS-4-VCR-T
SS-8-VCR-T
SS-12-VCR-T
SS-16-VCR-T
0.89
1.07
1.45
1.92
2.00
22.6
27.2
36.8
48.8
50.8
0.09
0.18
0.40
0.62
0.87
2.3
4.6
10.2
15.7
22.1
1.78
2.14
2.90
3.84
4.00
Working
Pressure➂➃
mm
F
Wrench
Flat
psig
bar
45.2
54.4
73.7
97.5
101.6
⁷⁄₁₆
¹⁄₂
¹³⁄₁₆
1 ¹⁄₄
1 ¹¹⁄₁₆
9000
8000
3500
3000
2400
620
550
240
200
160
psig
bar
9000
8000
3500
3000
2400
620
550
240
200
160
H
Ordering
Number
E
B
B
H
Union cross ➀
Ordering
Number
in.
mm
in.
mm
in.
mm
F
Wrench
Flat
SS-2-VCR-CS➁
SS-4-VCR-CS
SS-8-VCR-CS
SS-12-VCR-CS
SS-16-VCR-CS
0.89
1.07
1.45
1.92
2.00
22.6
27.2
36.8
48.8
50.8
0.09
0.18
0.40
0.62
0.87
2.3
4.6
10.2
15.7
22.1
1.78
2.14
2.90
3.84
4.00
45.2
54.4
73.7
97.5
101.6
⁷⁄₁₆
¹⁄₂
¹³⁄₁₆
1 ¹⁄₄
1 ¹¹⁄₁₆
B
E
H
Working
Pressure➂➃
F
E
B
B
H
➀ VCR components with fixed threads must remain stationary
➁
during installation. These fitting connections should be
assembled only to glands with rotating male or female
threaded nuts.
Not designed for gasket retainer assembly.
➂ When using a stainless steel gasket assembly, the pressure
➃
rating for the VCR end is 25 % higher than the listed
working pressure.
When using a copper gasket assembly, the pressure
rating for the VCR end is 20 % less than the listed working
pressure.
9
VCR Metal Gasket
Face Seal Fittings
Welded Assemblies
Male NPT connector
P
Male
NPT
Size
Leak
test
ports F
B
C
in.
mm
in.
mm
in.
SS-4-WVCR-1-2
SS-4-WVCR-1-4
SS-8-WVCR-1-6
SS-8-WVCR-1-8
0.38
0.56
0.56
0.75
9.6
14.2
14.2
19.1
0.95
0.92
1.00
1.01
24.1
23.4
25.4
25.6
0.18
0.18
0.40
0.40
Working
Pressure➁
mm
F
Hex
Flat
G
Hex
Flat
in.
mm
psig
bar
4.6
4.6
10.2
10.2
⁷⁄₁₆
⁹⁄₁₆
¹¹⁄₁₆
⁷⁄₈
³⁄₄
³⁄₄
1 ¹⁄₁₆
1 ¹⁄₁₆
1.58
1.79
1.89
2.09
40.1
45.5
48.0
53.1
8000
8000
3500➀
3500➀
550
550
240➀
240➀
E
Ordering
Number
H
fractional
¹⁄₈
¹⁄₄
³⁄₈
¹⁄₂
P
E
C
B
H
G
Female NPT connector
P
Female
NPT
Size
Leak
test
ports
Working
Pressure➁
Ordering
Number
in.
mm
in.
mm
F
Hex
Flat
¹⁄₄
³⁄₈
SS-4-WVCR-7-4
SS-8-WVCR-7-6
0.92
1.06
23.4
26.9
0.18
0.40
4.6
10.2
³⁄₄
⁷⁄₈
³⁄₄
1 ¹⁄₁₆
1.77
1.95
45.0
49.5
¹⁄₂
SS-8-WVCR-7-8
1.04
26.4
0.40
10.2
1 ¹⁄₁₆
1 ¹⁄₁₆
2.18
55.4
E
mm
F
Hex
Flat
G
Hex
Flat
G1
Hex
Flat
SS-4-WVCR-6-400 0.70 17.8 0.60 15.2 0.18 4.6
SS-4-WVCR-6-600 0.76 19.3 0.66 16.8 0.18 4.6
SS-8-WVCR-6-810 0.86 21.8 0.90 22.9 0.40 10.2
¹⁄₂
⁵⁄₈
¹³⁄₁₆
³⁄₄
³⁄₄
1 ¹⁄₁₆
⁹⁄₁₆
¹¹⁄₁₆
1 ⁷⁄₈
C
E
G
Hex
Flat
in.
mm
psig
bar
6600
3500➀
3500➀
450
240➀
H
fractional
F
P
E
240➀
C
G
H
Swagelok tube fitting connector
T
Tube
O.D.
Ordering
Number
C
in.
D
mm
in.
mm
in.
fractional
Leak
test
ports
G1
F
T
E
¹⁄₄
³⁄₈
¹⁄₂
Dimensions – C, D, H, are typical finger-tight.
Note: Swagelok nuts and ferrules are provided assembled, as shown.
D
C
G
Working
Pressure➁
H
in.
mm
psig
bar
1.94 49.3 8000➀ 550➀
1.97 50.0 6500 440
2.23 56.6 3500➀ 240➀
For tubing maximum pressure ratings for use with Swagelok tube
fittings, see Tubing Data Sheet in the Technical Information
subsection of your Swagelok Product Binder.
H
Rotating female union
Leak test ports
Ordering
Number
in.
mm
G
Hex
Flat
SS-4-WVCR-6-DF
SS-8-WVCR-6-DF
0.18
0.40
4.6
10.2
³⁄₄
1 ¹⁄₁₆
E
Working
Pressure➀➁
H
in.
mm
psig
bar
1.71
1.84
43.4
46.7
8000
3500
550
240
E
G
H
Female elbow
Female tee
G
1.00 in.
(25.4 mm)
Elbows, Crosses and Tees are available
with welded male and female ends.
For more information, contact your
Swagelok representative.
ORDERING NUMBER
6LV-4-WVCR-9-DF
➀ When using a stainless steel gasket assembly, the pressure rating
for the VCR end is 25 % higher than the listed working pressure.
➁ When using a copper gasket assembly, the pressure rating for the
10
VCR end is 20 % less than the listed working pressure.
ORDERING NUMBER
6LV-4-WVCR-T-FFF
Leak test
ports
VCR Metal Gasket
Face Seal Fittings
Gaskets
Non-retained style
Can be used with any style VCR gland. Cannot be used in a gasket
retainer assembly.
Ordering Information
Specify gasket material by using the appropriate
Prefix Designator to the Basic Ordering Number.
Material
nickel
316 stainless steel
copper➀
Prefix
Designator
NI
SS
CU
Silver Plated
H
Example
E
Tx
NI-4-VCR-2-VS
SS-4-VCR-2-VS
CU-4-VCR-2
in.
mm
in.
mm
in.
mm
1-2-VCR-2
1-4-VCR-2
1-8-VCR-2
-12-VCR-2
-16-VCR-2
0.09
0.22
0.44
0.66
0.89
2.3
5.6
11.2
16.8
22.6
0.020
0.026
0.026
0.026
0.026
0.5
0.7
0.7
0.7
0.7
0.26
0.47
0.78
1.14
1.40
6.6
11.9
19.8
29.0
35.6
E
H
Tx
Gasket retainer assembly
Note: Nickel and copper gasket retainer assemblies
utilize a 316 stainless steel retainer.
Retainer and gasket must be used as an assembly.
➀ Copper gaskets are unplated.
H
However, to order, use CU as a prefix to the
silver plated gasket Basic Ordering Number.
Example: CU-4-VCR-2
E
Blind (undrilled) gaskets are available in non-retained
and retainer assembly styles.
Tx
To order, use -BL as a suffix to the
Basic Ordering Number.
Example: SS-4-VCR-2-VS-BL
Note: Blind gaskets have a maximum differential
pressure rating (DP) of 100 psi (6.8 bar).
Basic
Ordering
Number
Basic
Ordering
Number
in.
mm
in.
mm
in.
mm
1-4-VCR-2-GR
1-8-VCR-2-GR
-12-VCR-2-GR
-16-VCR-2-GR
0.24
0.44
0.66
0.89
6.1
11.2
16.8
22.6
0.026
0.026
0.026
0.026
0.7
0.7
0.7
0.7
0.50
0.79
1.14
1.40
12.7
20.1
29.0
35.6
E
H
Tx
Non-retained style
Unplated (VS)
H
E
Tx
Basic
Ordering
Number
in.
mm
in.
mm
in.
mm
1-2-VCR-2-VS
1-4-VCR-2-VS
1-8-VCR-2-VS
-12-VCR-2-VS
-16-VCR-2-VS
0.09
0.22
0.44
0.66
0.89
2.3
5.6
11.2
16.8
22.6
0.028
0.028
0.028
0.028
0.028
0.7
0.7
0.7
0.7
0.7
0.26
0.47
0.78
1.14
1.40
6.6
11.9
19.8
29.0
35.6
E
H
Tx
Gasket retainer assembly
H
E
Tx
in.
mm
in.
mm
in.
mm
1-4-VCR-2-GR-VS
1-8-VCR-2-GR-VS
-12-VCR-2-GR-VS
-16-VCR-2-GR-VS
0.24
0.44
0.66
0.89
6.1
11.2
16.8
22.6
0.028
0.028
0.028
0.028
0.7
0.7
0.7
0.7
0.50
0.79
1.14
1.40
12.7
20.1
29.0
35.6
E
H
Tx
Side-load retainer style
H
E
Basic
Ordering
Number
Tx
Ordering
Number
NI-4-VCR-2-ZC-VS
(individually bagged)
E
H
Tx
in.
mm
in.
mm
in.
mm
0.24
6.1
0.028
0.7
0.45
11.4
Optional installation tool and tray
(for use only with side-load retainer style gaskets)
Ordering Number
Installation Tool
Tray (includes 30 gaskets)
MS-4-VCR-ZC-TL
NI-4-VCR-2-ZCT-VS
Side-Load Installation Tool and Tray
Tool
makes gasket handling easy,
preserves cleanliness
enables gasket installation
where space is limited
is used to easily remove
gasket from storage tray
Material: polyether sulfone
(PES)
Tray (includes 30 gaskets)
keeps gaskets secure
keeps gaskets aligned for easy
removal with side-load gasket tool
cleaned and packaged in accordance
with Swagelok Specification SC-01.
Material: (tray) polypropylene
5
(lid) clear polycarbonate
7
11
VCR Metal Gasket
Face Seal Fittings
Nuts, Caps, and Plugs
Female nut
Leak test
ports
Ordering
Number
F
Hex
Flat
in.
mm
in.
mm
SS-2-VCR-1
SS-4-VCR-1
SS-8-VCR-1
SS-12-VCR-1
SS-16-VCR-1
⁷⁄₁₆
³⁄₄
1 ¹⁄₁₆
1 ¹⁄₂
1 ³⁄₄
0.53
0.81
0.88
1.12
1.34
13.5
20.6
22.4
28.4
34.0
0.21
0.36
0.61
0.89
1.20
5.3
9.1
15.5
22.6
30.5
Ordering
Number
F
Hex
Flat
in.
mm
in.
mm
SS-2-VCR-4
SS-4-VCR-4➀
SS-8-VCR-4
SS-12-VCR-4
SS-16-VCR-4
³⁄₈
⁵⁄₈
¹⁵⁄₁₆
1 ⁵⁄₁₆
1 ⁵⁄₈
0.50
0.71
0.81
1.00
1.19
12.7
18.0
20.6
25.4
30.2
0.21
0.36
0.61
0.89
1.20
5.3
9.1
15.5
22.6
30.5
Ordering
Number
F
Hex
Flat
in.
mm
in.
mm
SS-4-VCR-4-.54NC
SS-4-VCR-4-.65NC
⁵⁄₈
⁵⁄₈
0.54
0.65
13.7
16.5
0.36
0.36
9.1
9.1
F
Tx
H
H
Tx
Male nut
F
Tx
H
H
Tx
Short male nut
(for use with short gland)
F
Tx
H
Tx
H
Cap
H
C
F
Leak
test
ports
mm
F
Hex
Flat
in.
mm
11.2
11.4
13.7
16.0
³⁄₄
1 ¹⁄₁₆
1 ¹⁄₂
1 ³⁄₄
0.94
1.01
1.29
1.54
23.9
25.6
32.8
39.1
C
Ordering
Number
in.
SS-4-VCR-CP
SS-8-VCR-CP
SS-12-VCR-CP
SS-16-VCR-CP
0.44
0.45
0.54
0.63
H
Cap with lanyard
Ordering
Number➂
mm
F
Hex
Flat
in.
mm
Lanyard
Length
in.
mm
11.2
11.4
³⁄₄
1¹⁄₁₆
0.94
1.01
23.9
25.6
6
6
C
in.
SS-4-VCR-CP-BP 0.44
SS-8-VCR-CP-BP 0.45
H
152.4
152.4
Plug
F
Hex
Flat
F
Ordering
Number
H
H
³⁄₈
⁵⁄₈
¹⁵⁄₁₆
1 ⁵⁄₁₆
1 ⁵⁄₈
SS-2-VCR-P➃
SS-4-VCR-P➁
SS-8-VCR-P
SS-12-VCR-P
SS-16-VCR-P
in.
mm
0.68
0.92
1.08
1.43
1.52
17.3
23.4
27.4
36.3
38.6
Protective shipping cap
Plug with lanyard
Ordering
Number➂
SS-4-VCR-BP
SS-8-VCR-BP
12
F
Hex
Flat
in.
mm
Lanyard
Length
in.
mm
⁵⁄₈
¹⁵⁄₁₆
0.92
1.08
23.4
27.4
6
6
H
152.4
152.4
➀ A taper at the hex end allows the nut to move around 90° tube bends.
➁ Also available as a Rotatable Plug. Ordering Number: SS-4-VCR-RP.
➂ Lanyards are manufactured from 302 stainless steel material.
➃ Not designed for gasket retainer assembly.
Ordering
Number
304-4-VCR-SC
304-8-VCR-SC
304-12-VCR-SC
304-16-VCR-SC
Made of 304 stainless steel and
supplied as bead protection during
shipping for a variety of VCR face
seal fittings processed to Swagelok
specification SC-01.
VCR Metal Gasket
Face Seal Fittings
High-Flow Connections – “H” Type VCR
Note: “H” Type VCR connections are compatible with 1/4 in. VCR connections and are designed for use with Swagelok high-flow diaphragm valves.
For uniform flow, use 1/4 in. side-load retainer style gasket. Example: NI-4-VCR-2-ZC-VS.
Glands
Tube butt weld
T
Tube
OD
B
E
E1
Ordering
Number
in.
mm
in.
mm
in.
mm
in.
mm
6LV-4-HVCR-3-.60SR
6LV-4-HVCR-3-1.19SR
6LV-4-HVCR-3-1.31SR
0.41
1.00
1.12
10.4
25.4
28.4
0.25
0.25
0.25
6.4
6.4
6.4
0.31
0.31
0.31
7.9
7.9
7.9
0.60
1.19
1.31
15.2
30.2
33.3
Working
Pressure
Nominal
Wall
Thickness
H
psig
bar
3300
3300
3300
220
220
220
fractional
B
T E1
³⁄₈
³⁄₈
³⁄₈
E
H
Bodies
0.035
0.035
0.035
Tube butt weld
T
Tube
OD
in.
C
mm
in.
mm
in.
mm
F
Hex
Flat
6.4
0.31
7.9
⁵⁄₈
E
mm
in.
E1
Working
Pressure
H
in.
mm
psig
bar
1.68 42.7
3300
220
fractional
F
B
B
Ordering
Number
³⁄₈
T E1
6LV-4-HVCR-1-6TB7
0.75 19.1 0.62 15.7 0.25
E
C
H
Automatic tube weld
T
Tube
OD
B
in.
C
mm
in.
D
mm
in.
E
mm
in.
F
Hex
mm Flat
E1
mm
in.
H
in.
Tx
mm
in.
mm
Working
Pressure
psig
bar
fractional
F
B
D
Ordering
Number
³⁄₈
Tx T E1
⁵⁄₈
316L-4-HVCR-1A6 0.75 19.1 0.62 15.7 0.03 0.8 0.25 6.4 0.31 7.9
1.71 43.4 0.41 10.4 3300 220
E
C
H
Bulkhead connector
T
Tube
OD
F
B
Ordering
Number
B
C
E
in. mm in. mm in.
F
Hex
mm Flat
E1
mm
in.
F1
Hex
Flat
fractional
F1
³⁄₈
³⁄₄
316L-4-HVCR-61-6TB7 0.75 19.1 1.30 33.0 0.25 6.4 0.31 7.9
³⁄₄
Max.
Working
Panel Panel
Pressure
Hole -Thickin. mm Size
ness psig bar
H
2.36 59.9 ₁₉⁄₃₂
0.44 3300 220
E
T E1
C
H
Union elbow
B
in.
mm
in.
SS-4-HVCR-9
1.07
27.2
0.25
Working
Pressure➀➁
mm
F
Wrench
Flat
psig
bar
6.4
¹⁄₂
8000
550
E
Ordering
Number
F
E
B
➀
➁
When using a stainless steel gasket assembly, the pressure rating of this
fitting is 25 % higher than the listed working pressure.
When using a copper gasket assembly, the pressure rating for the VCR
end is 20 % less than the listed working pressure.
13
VCR Metal Gasket
Face Seal Fittings
High-Flow Connections – “H”Type VCR
Union tee
E
B
Ordering
Number
in.
SS-4-HVCR-T
F
➀
➁
B
H
E
mm
in.
F
Wrench
Flat
H
mm
in.
mm
¹⁄₂
1.07 27.2 0.25 6.4 2.14 54.4
Working
Pressure➀➁
psig
bar
8000
550
When using a stainless steel gasket assembly, the pressure rating of this fitting is 25 %
higher than the listed working pressure.
When using a copper gasket assembly, the pressure rating for the VCR end is 20 % less
than the listed working pressure.
Nuts
F
Leak test
ports
F
Tx
Tx
Female
H
H
Male
Ordering
Number
F
Hex
Flat
in.
mm
in.
mm
Ordering
Number
F
Hex
Flat
in.
mm
in.
mm
SS-4-HVCR-1SR
³⁄₄
0.81
20.6
0.39
9.9
SS-4-HVCR-4SR
⁵⁄₈
0.71
18.0
0.39
9.9
H
Tx
H
Tx
F
Anti-Twist Design Components
minimize rotation between female nut and gland. These
anti-twist components can be used with straight 1/4 in.
VCR glands. The anti-twist insert must be used inside
the anti-twist female nut.
Use only anti-twist nuts when making this connection.
Tx
H
Female nut
F
Hex Flat
Ordering
Number
SS-4-VCR-1-AT
H
Tx
in.
in. mm in. mm
¹³⁄₁₆
0.81 20.6 0.36 9.1
F
Insert and
Spring Assembly
(SS-4-VCR-ATI)
Tx
Female Nut (SS-4-VCR-1-AT)
Male nut
H
F
Hex Flat
Ordering
Number
SS-4-VCR-4-AT
Male Nut
(SS-4-VCR-4-AT)
H
Tx
in.
in. mm in. mm
³⁄₄
0.84 21.3 0.36 9.1
Tx B
H
Insert and spring assembly
Ordering
Number
B
H
Tx
in. mm in. mm in. mm
SS-4-VCR-ATI
0.62 15.7 0.56 14.2 0.36 9.1
Note: spring material is 302 stainless steel
Lock and Tag Devices
To help prevent unintentional disassembly of VCR connections.
Additionally both devices include a wire hole to allow for a tag
to support identification and quality verification programs.
fitting lock device
This device is intended for use on Swagelok
VCR metal gasket face seal assemblies with
standard male and female nuts.
14
fitting lock device for valves
This device is intended for use on
Swagelok valves with integrally
machined male VCR metal gasket
face seal end connections.
Size
Ordering Numbers
Size
Ordering Numbers
¹⁄₄ in.
¹⁄₂ in.
SS-4-VCR-FLC
SS-8-VCR-FLC
¹⁄₄ in.
¹⁄₂ in.
SS-4-VCR-VLC
SS-8-VCR-VLC
VCR Metal Gasket
Face Seal Fittings
Handling
Damage to the sealing beads may affect the fitting performance.
A protective cap is placed on a variety of VCR sealing beads
to prevent nicks or scratches. Keep this cap in place during
storage and handling and only remove prior to assembly.
Caution:
VCR components with fixed threads must remain stationary
during installation. Do not allow the sealing beads to rotate
against the gasket.
Step 1
When using a non-retained
style gasket, place
it into the female
nut. No special
positioning is needed, because the gasket
is self-aligning.
proceed to Step 2
Assembly:
Side-load retainer style
...using tool and tray
Step 1
Non-retained style
Tab
While squeezing
handles of tool, place jaws
around gasket with tab
centered between tool jaws.
Do not place jaws around
retainer. Relax the handles
to secure the gasket and
remove from tray.
From the side of the VCR fitting,
guide the gasket retainer over
retainer diameter of the fitting
until gasket is seated. Squeeze
handles and remove the tool.
Step 2
To assemble the connection,
hold the male nut or body hex
stationary. Tighten the female
nut finger-tight.
Step 3
Mark both the female nut and
the male nut or body hex.
proceed to Step 2
Step 4
...by Hand
Step 1
Grasp the gasket by the
retainer.
From the side of the VCR fitting,
guide the gasket retainer over
retainer diameter of the fitting
until gasket is seated.
proceed to Step 2
Retainer assembly
Step 1
When using a gasket retainer
assembly, axially press
the assembly onto the
gland as shown. The
retainer assembly will
locate the gasket over
the bead and hold it in place.
Be careful not to scratch or nick
the bead as this may affect fitting
performance.
proceed to Step 2
Hold the male nut or body
hex stationary with a backup
wrench. Tighten the female
nut 1/8 turn past finger-tight for
316 stainless steel and nickel
gaskets or 1/4 turn past
finger-tight for copper gaskets.
Caution: Excessive
over-tightening will damage
the sealing beads and
possibly cause system
leakage.
Disassembly
Removing VCR components
in an assembled system
requires minimal clearance. To
disassemble a VCR connection,
hold the male nut or body hex
stationary with a backup wrench
and loosen the female nut. After
removing the components, be
sure to protect the sealing
beads with protective caps
or gasket retainer assemblies.
Removing Side-Load Gasket Using Tool
Disassemble connection.
Squeeze handles of tool, place jaws around the gasket
with tab centered between tool jaws.
■ Relax handles to grip gasket and remove from
fitting diameter.
■
■
Retightening
To maintain system reliability, install a new gasket on each
remake. Simply follow the assembly instructions listed.
15
VCR Metal Gasket
Face Seal Fittings
Swagelok Welding Systems
The orbital welding systems that provide precise gas
tungsten arc welds (GTAW) for use with VCR metal
gasket face seal fittings, as well as a variety of
other valves and fittings manufactured by Swagelok.
Safe Product Selection
When selecting a component, the total system
design must be considered to ensure safe, troublefree performance. Function, material compatibility,
adequate ratings, proper installation, operation,
and maintenance are the responsibilities of the
system designer and user.
Caution: do not mix or interchange parts with those
of other manufacturers.
Swagelok, VCR—TM Swagelok Company
© 1998, 2001 Swagelok Company
Printed in U.S.A., MI
February 2001, R3
MS-01-24