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 5990-00-647-4008
NSN 6240-01-452-9418
NSN 5999-01-397-1303
NSN 7035-00-167-7411
NSN 5998-01-259-3453
NSN 6240-00-927-9584
NSN 6135-00-269-5843
NSN 5975-01-648-2592
NSN 2925-01-208-6638
NSN 4140-01-026-1856
NSN 7035-00-392-5417
NSN 5905-01-513-6913