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SRV ASME SOFT SEAT SAFETY VALVE
MCST ASME Soft Seat Safety Valve
  • Applications: Small Air Compressors with High Flow Requirements
  • Pressure Range: 25 to 450 PSI
  • Set Pressure Tolerances: ±   3% of  Set Pressure
  • Temperature Range : -65˚F  to  400˚F
  • Construction:  Seat Cap & Piston C360 Brass ( ASTM B-16) 
  • 17-7 Stainless Steel Spring, Silicone Seal
  • Bubble Tight to Within 5 psig for Set pressure 50 psig or Less, Bubble Tight to Within 10% for Set Pressures Greater Than 50 psig.  100% Testing or 2.5 AQL Sample Testing, Conforming to AP1 527
  • Stamped with the UV and NB Symbols
  • Everseal 483 Sealant Standard
  • Available Sizes: 1/8”, 1/4”, and 3/8” (BSPT Threads Available)

Part No.

Height
(In)

Hex
(In)

Wt.
Lbs.

SRV18

1.75

11/16”

0.150

SRV25

SRV38
SRV187 ASME SOFT SEAT SAFETY VALVE
Conrader MCSP ASME Soft Seat Safety Valve
  • Applications: Compact Size Low Flow
  • Stock Pressure Range: 75, 125, 145, 150, 165, 200, 225 Other Pressures Available Up to 250 psig
  • Set Pressure Tolerances: ±   3% of  Set Pressure
  • Temperature Range:  -65˚F  to  400˚F
  • Construction: Seat Cap & Piston C360 Brass ( ASTM B-16) 17-7 Stainless Steel Spring, Silicone Seal
  • Bubble Tight to Within 5 psig for Set pressure 50 psig or Less, Bubble Tight to Within 10% for Set Pressures Greater Than 50 psig.  100% Testing or 2.5 AQL Sample Testing, Conforming to AP1 527
  • Stamped with the UV and NB Symbols
  • Everseal 483 Sealant Standard
  • Available Size: 1/4” (BSPT Threads Available)

Part No.

Height
(In)

Hex
(In)

Wt.
Lbs.

1.70

9/16

0.064

SRV187-25
SRV390 ASME SOFT SEAT SAFETY VALVE
MCSF ASME Soft Seat Safety Valve Conrader
  • Applications:  Standard Flow Capacities
  • Pressure Range: 25 to 300 PSI
  • Set Pressure Tolerances:   ± 3% of  Set Pressure
  • Temperature Range:  -65˚F  to 400˚F
  • Construction: Seat Cap & Piston C360 Brass ( ASTM B-16) 17-7 Stainless Steel Spring, Silicone Seal
  • Bubble Tight to Within 5 psig for Set pressure 50 psig or Less, Bubble Tight to Within 10% for Set Pressures Greater Than 50 psig.  100% Testing or 2.5 AQL Sample Testing, Conforming to AP1 527
  • Stamped with the UV and NB Symbols
  • Everseal 483 Sealant Standard
  • Available Size: 1/2” (BSPT Threads Available)

Part No.

Height
(In)

Hex
(In)

Wt.
Lbs.

SRV390

2.69

7/8”

.281

SRV530 ASME SOFT SEAT SAFETY VALVE
Conrader MCSB ASME Soft Seat Safety Valve
  • Applications: High Flow Requirements
  • Pressure Range: 25 to 300 PSI
  • Set Pressure Tolerances: ± 3% of  Set Pressure
  • Temperature Range:  -65˚F  to 400˚F
  • Construction: Seat Cap & Piston C360 Brass ( ASTM B-16) 17-7 Stainless Steel Spring, Silicone Seal
  • Bubble Tight to Within 5 psig for Set pressure 50 psig or Less, Bubble Tight to Within 10% for Set
  • Pressures Greater Than 50 psig
  • Stamped with the UV and NB Symbols
  • Everseal 483 Sealant Standard
  • Available Sizes: 1/2”, 3/4” (BSPT Threads Available)

Part No.

Height
(In)

Hex
(In)

Wt.
Lbs.

SRV530-50

3.66

1-1/16

.608 

SRV530-75

3.69
SRV765 ASME SOFT SEAT SAFETY VALVE
Conrader MCSW ASME Soft Seat Safety Valve
  • Applications: High Flow Requirements
  • Pressure Range: 25 to 300 PSI
  • Set Pressure Tolerances: ±3% of  Set Pressure
  • Temperature Range:  -65˚F  to 400˚F
  • Construction:  Seat Cap & Piston C360 Brass ( ASTM B-16) 
  • 17-7 Stainless Steel Spring, Silicone Seal
  • Bubble Tight to Within 5 psig for Set pressure 50 psig or Less, Bubble Tight to Within 10% for Set Pressures Greater Than 50 psig
  • Stamped with the UV and NB Symbols
  • Everseal 483 Sealant Standard
  • Available Sizes: 1”, 1-1/4” (BSPT Threads Available)

Part No.

Height
(In)

Hex
(In)

Wt.
Lbs.

SRV765-10

4.47

1-5/8

1.412 

SRV765-12

1-11/16

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