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 6145-01-152-6232
NSN 5835-01-205-6614
NSN 6650-00-095-6490
NSN 6135-01-393-4746
NSN 6645-01-160-7707
NSN 5975-00-269-8391
NSN 6650-01-233-6307
NSN 5835-01-386-4027
NSN 5855-01-328-7434
NSN 5915-01-575-1745
NSN 4140-00-226-9807
NSN 5945-00-504-5744