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 6220-00-279-8819
NSN 6620-00-529-6275
NSN 6135-01-383-1910
NSN 6650-01-146-5000
NSN 6110-00-904-6350
NSN 5975-00-489-6195
NSN 5990-01-442-3520
NSN 5855-01-232-9440
NSN 5990-01-110-8979
NSN 5965-01-262-3513
NSN 6220-01-028-0329
NSN 6685-00-433-7476