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 5910-01-630-6925
NSN 5895-01-199-1006
NSN 4140-01-215-1125
NSN 5930-01-424-0771
NSN 5915-01-133-2449
NSN 6145-00-366-5790
NSN 6130-01-186-7279
NSN 5925-00-111-1969
NSN 5990-01-568-5565
NSN 5996-00-839-8678
NSN 5925-00-224-6548
NSN 6145-01-418-7931