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 5996-01-424-7631
NSN 5996-01-628-8624
NSN 5960-01-599-9821
NSN 6105-00-106-3963
NSN 5910-01-020-7700
NSN 5920-00-963-0140
NSN 5905-01-534-7894
NSN 6320-01-145-9013
NSN 4140-01-212-6964
NSN 5905-00-184-7441
NSN 5920-01-650-1040
NSN 2925-01-311-7840