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 5920-00-917-3539
NSN 5990-00-764-7487
NSN 5855-01-035-2866
NSN 5999-00-925-2502
NSN 5935-01-598-7510
NSN 5905-01-648-2685
NSN 6145-01-184-0037
NSN 5998-01-066-2131
NSN 5905-01-203-5758
NSN 6620-00-613-3023
NSN 5925-01-460-5046
NSN 6220-01-464-8928