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 5925-01-432-0149
NSN 5915-00-394-6523
NSN 6620-00-360-1379
NSN 6620-00-700-9779
NSN 6135-01-557-3351
NSN 6645-00-171-9639
NSN 6650-01-561-2068
NSN 5935-01-530-7783
NSN 5930-01-052-7684
NSN 6240-01-388-6135
NSN 5960-01-632-6576
NSN 6105-01-044-4993