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 6685-01-119-1579
NSN 5996-01-425-1455
NSN 5930-01-475-3479
NSN 5895-01-166-5608
NSN 5855-00-337-3679
NSN 6150-01-055-2222
NSN 6150-01-071-6210
NSN 5998-01-577-0438
NSN 6135-01-461-2915
NSN 5999-00-102-6747
NSN 5935-00-604-4196
NSN 6150-01-406-2070