The Cryogenic Relief Valve series is designed for use on Air Force and Navy liquid oxygen converters as well as other cryogenic systems. Valves are vailable in a wide range of pressure settings to accommodate a variety of system requirements. Meets all MIL-PRF-9050 requirements. Stainless steel ball and a Teflon seat arrangement provides zero leakage at re-seat pressures. ANPT threaded inlet and outlet ports, internal filter and corrosion resistant steel construction.