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 5920-01-537-0684
NSN 6685-00-621-5011
NSN 5945-01-173-7287
NSN 6620-01-312-6350
NSN 5945-01-101-3391
NSN 6240-00-915-1705
NSN 5945-00-925-9992
NSN 6130-01-379-0418
NSN 5915-00-182-8068
NSN 5935-01-352-1942
NSN 5945-01-430-4349
NSN 6620-01-189-8153