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 4140-00-962-6799
NSN 6320-01-240-4637
NSN 6150-01-266-7880
NSN 5915-00-155-7626
NSN 7035-01-612-4535
NSN 5835-01-501-0526
NSN 6110-00-343-8183
NSN 6105-01-329-8862
NSN 5925-01-085-9022
NSN 5925-00-568-9871
NSN 6135-01-449-2144
NSN 6240-01-513-6526