Designed for use as a primary relief valve on ASME containers such as 250, 500 and 1,000 gallon tanks. Underwriters’ Laboratories lists containers systems on which these types of valves are mounted outside the hood without additional protection, if mounted near the hood and fitted with a protective cap.


SKU Product Name Container Connection (in.) Hex Wrenching Section Flow Capacity Scfm Air Ul At 120 Of Set Pressure Flow Capacity Scfm Air Asme At 120 Of Set Pressure Protective Cap Included Start To Discharge Setting (PSIG)
7583G Semi-Internal “Pop-Action” Pressure Relief Valves for ASME Portable Containers 3/4" M. NPT 1 3/4" 1980 scfm 1806 scfm 7583-40X 250 PSIG