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 6110-01-469-5921
NSN 2925-01-299-6967
NSN 6150-00-765-8394
NSN 5965-01-492-0274
NSN 4140-01-486-7884
NSN 5905-01-043-1334
NSN 6105-01-471-6162
NSN 5975-00-949-6415
NSN 6220-01-265-2705
NSN 6220-01-396-2156
NSN 6135-01-268-2152
NSN 5998-01-525-9929