A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.
Classification: Safety or relief valves
NSN 6620-00-546-6071
NSN 6685-01-565-6124
NSN 5935-00-370-3908
NSN 5930-01-181-2730
NSN 6320-01-512-2031
NSN 4140-01-433-1192
NSN 5910-01-444-4591
NSN 5990-00-110-9441
NSN 5915-01-026-8569
NSN 6320-00-004-9158
NSN 5996-01-337-3516
NSN 5920-01-582-0388