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 6135-01-568-1367
NSN 5855-01-297-7847
NSN 5855-01-125-9167
NSN 6645-01-142-8502
NSN 6130-01-422-1151
NSN 6130-00-061-7486
NSN 6320-01-334-9840
NSN 6150-01-515-7959
NSN 5835-01-170-5537
NSN 5945-00-167-0630
NSN 5905-01-020-8389
NSN 5975-01-204-7328