RegO 3129H ½" External Hydrostatic Relief Valves
Application
Designed especially for the protection of piping and shut-off valves where there is a possibility of trapping liquid LP-Gas or anhydrous ammonia. They may be installed in pipelines and hoses located between shut-off valves or in the side boss of RegO shut-off valves.
Features
- Relief valve designed to automatically reseat firmly after discharge.
- Resilient seat disc provides a “bubble-tight” seal.
- Available in both brass and stainless steel.
- Available in configurations that permit direct attachment of vent piping when required.
Materials
- Body (3125, 3127, 3129): Brass
- Body (SS8001, SS8002, SS8021, SS8022): Stainless Steel
- Spring: Stainless Steel
- Seat Disc: Resilient Rubber
Ordering Information
|
Part Number |
Start To Discharge Setting PSIG |
Valve Body Material |
ContainerConnection M. NPT |
Height (Approx.) |
Wrench Hex Section |
Accessories |
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|
Protective Cap |
Pipeaway |
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|
Adapter or Threads |
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|
SS8001G |
250 |
Stainless Steel |
¼” |
⅞” |
11/16” |
- |
- |
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|
SS8002G |
½” |
⅞” |
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|
SS8021G |
¼” |
1⅜” |
11/16” |
¼” NPSM Thrds |
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|
SS8022G |
½” |
⅞” |
⅜” NPT Thrds |
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|
3127G |
Brass |
¼” |
131/32” |
9103-54 |
- |
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|
3129G |
½” |
219/32” |
1⅛” |
3129-40P |
3129-10* |
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|
3127H |
275 |
¼” |
131/32” |
⅞” |
9103-54 |
- |
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|
3129H |
½” |
219/32” |
1⅛” |
3129-40P |
3129-10* |
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|
3127P |
300 |
¼” |
131/32” |
1⅛” |
9103-54 |
- |
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|
3129P |
½” |
219/32” |
1⅛” |
3129-40P |
3129-10* |
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|
SS8022P |
Stainless Steel |
1⅜” |
⅞” |
- |
⅜” NPT Thrds |
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|
3127J |
350 |
Brass |
¼” |
131/32” |
⅞” |
9103-54 |
- |
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|
3129J |
½” |
219/32” |
1⅛” |
3129-40P |
3129-10* |
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|
SS8001J |
Stainless Steel |
¼” |
⅞” |
11/16” |
- |
- |
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|
SS8002J |
½” |
⅞” |
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|
SS8021J |
¼” |
1⅜” |
11/16” |
¼” NPSM Thrds |
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|
SS8022J |
½” |
⅞” |
⅜” NPT Thrds |
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|
3127K |
375 |
Brass |
¼” |
131/32” |
9103-54 |
- |
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|
3129K |
½” |
219/32” |
1⅛” |
3129-40P |
3129-10* |
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|
3125L |
400 |
¼” |
19/16” |
⅝” |
3125-40P |
- |
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|
3127L |
131/32” |
⅞” |
9103-54 |
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|
3129L |
½” |
219/32” |
1⅛” |
3129-40P |
3129-10* |
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|
SS8001L |
Stainless Steel |
¼” |
⅞” |
11/16” |
- |
- |
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|
SS8002L |
½” |
⅞” |
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|
SS8021L |
¼” |
1⅜” |
11/16” |
¼” NPSM Thrds |
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|
SS8022L |
½” |
⅞” |
⅜” NPT Thrds |
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|
3127U |
450 |
Brass |
¼” |
131/32” |
9103-54 |
- |
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|
3129U |
½” |
219/32” |
1⅛” |
3129-40P |
3129-10* |
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|
SS8001U |
Stainless Steel |
¼” |
⅞” |
11/16” |
- |
- |
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|
SS8002U |
½” |
⅞” |
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|
SS8021U |
¼” |
1” |
11/16” |
¼” NPSM Thrds |
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|
SS8022U |
½” |
⅞” |
⅜” NPT Thrds |
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