1 in. 250 PSI MNPT External Relief Valve

NPT 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.|Non-adjustable, tamper resistant design|Compact design to fit any application|Durable brass construction|Seal material: nitrile