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.


SKU Product Name Valve Body Material Container Connection (in.) Wrench Hex Section Accessories Protective Cap Accessories-Pipeaway Adapter Or Threads Start To Discharge Setting (PSIG)
SS8002U** External Hydrostatic Relief Valves Stainless Steel 1/2" M. NPT 7/8" 8022-54 - 450 PSIG
SS8002P** External Hydrostatic Relief Valves Stainless Steel 1/2" M. NPT 7/8" 8022-54 - 300 PSIG
SS8002N** External Hydrostatic Relief Valves Stainless Steel 1/2" M. NPT 7/8" 8022-54 - 265
SS8002L** External Hydrostatic Relief Valves Stainless Steel 1/2" M. NPT 7/8" 8022-54 - 400 PSIG
SS8002K** External Hydrostatic Relief Valves Stainless Steel 1/2" M. NPT 7/8" 8022-54 - 375 PSIG
SS8002K External Hydrostatic Relief Valves Stainless Steel ⅞” 8022-54 No 375
SS8002J** External Hydrostatic Relief Valves Stainless Steel 1/2" M. NPT 7/8" 8022-54 - 350 PSIG
SS8002H** External Hydrostatic Relief Valves Stainless Steel 1/2" M. NPT 7/8" 8022-54 - 275 PSIG
SS8002G** External Hydrostatic Relief Valves Stainless Steel 1/2" M. NPT 7/8" 8022-54 - 250