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 5915-01-551-0745
NSN 5905-01-472-2366
NSN 7035-00-727-4068
NSN 6240-00-452-5241
NSN 6220-00-243-4205
NSN 6135-00-078-9931
NSN 5990-01-395-4194
NSN 5965-00-224-5102
NSN 6105-01-392-0500
NSN 4140-01-571-7913
NSN 5985-01-541-4305
NSN 6105-01-071-1367