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)
SS8001U** External Hydrostatic Relief Valves Stainless Steel 1/4" M. NPT 11/16” 8001-55 - 450 PSIG
SS8001P** External Hydrostatic Relief Valves Stainless Steel 1/4" M. NPT 11/16” 8001-55 - 300 PSIG
SS8001N** External Hydrostatic Relief Valves Stainless Steel 1/4" M. NPT 11/16” 8001-55 - 265
SS8001L** External Hydrostatic Relief Valves Stainless Steel 1/4" M. NPT 11/16” 8001-55 - 400 PSIG
SS8001K** External Hydrostatic Relief Valves Stainless Steel 1/4" M. NPT 11/16” 8001-55 - 375 PSIG
SS8001K External Hydrostatic Relief Valves Stainless Steel 11/16” 8001-55 No 375
SS8001J** External Hydrostatic Relief Valves Stainless Steel 1/4" M. NPT 11/16” 8001-55 - 350 PSIG
SS8001H** External Hydrostatic Relief Valves Stainless Steel 1/4" M. NPT 11/16” 8001-55 - 275 PSIG
SS8001G** External Hydrostatic Relief Valves Stainless Steel 1/4" M. NPT 11/16” 8001-55 - 250