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 5855-01-105-7793
NSN 5998-01-647-7578
NSN 5960-01-363-5951
NSN 5990-00-118-8953
NSN 5905-01-232-5287
NSN 6685-00-808-4375
NSN 5965-01-050-8447
NSN 5935-01-090-6406
NSN 5935-01-097-9979
NSN 6620-01-602-5999
NSN 6130-01-507-8877
NSN 5930-00-483-6846