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

Materials
Body (3125, 3127, 3129)............................................................ Brass
Body (SS8001, SS8002, SS8021, SS8022)................ Stainless Steel
Spring.......................................................................... Stainless Steel
Seat Disc................................................................... Resilient Rubber