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 5925-00-147-9946
NSN 6650-00-507-0595
NSN 5905-01-535-8348
NSN 5855-00-132-4898
NSN 6320-00-218-6105
NSN 5990-00-835-1582
NSN 5996-00-156-5967
NSN 5999-01-268-5217
NSN 5930-01-043-5331
NSN 5935-00-548-1089
NSN 5990-01-433-3786
NSN 6320-01-425-1417