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 6620-01-151-3986
NSN 6105-00-225-9464
NSN 6645-00-462-7072
NSN 6145-01-332-9171
NSN 6240-00-870-7778
NSN 6145-01-516-1838
NSN 6150-01-493-3164
NSN 6220-00-959-8030
NSN 5925-01-220-6147
NSN 5905-01-165-2140
NSN 6320-01-541-7585
NSN 6220-01-015-5850