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 5915-01-375-6892
NSN 5920-01-025-6989
NSN 6135-00-175-7132
NSN 5996-01-164-0433
NSN 4140-01-624-5621
NSN 6220-01-055-5227
NSN 5985-00-269-5388
NSN 6135-01-607-5478
NSN 6620-01-655-4591
NSN 2925-01-196-2904
NSN 4140-01-112-1729
NSN 4140-01-372-3976