1/4" MNPT VAPOR RELIEF VLV

Designed for installation in stationary ASME applications such as bulk plant, skid tanks, underground and above ground containers, as the primary pressure relief valve. NOTE: This valve and all working parts are to be installed outside the container. Therefore, to ensure proper operation of the valve, the valve must be protected from damage and inspections performed as prescribed by Marshall Excelsior.|Brass connection for LP-gas application|Start-to-discharge setting: 250 PSIG|Seal material: nitrile|Wrench hex: 7/8 in.