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 5905-01-058-6041
NSN 6240-01-206-4809
NSN 6240-01-142-8923
NSN 5965-01-078-6776
NSN 5855-01-380-9950
NSN 7035-01-435-4009
NSN 5999-01-256-1470
NSN 5996-01-398-1632
NSN 6240-00-099-8606
NSN 5915-01-199-0979
NSN 6685-00-445-1437
NSN 6650-01-148-2161