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 6105-01-123-7017
NSN 6135-01-174-9195
NSN 2925-00-964-7128
NSN 6105-01-370-5779
NSN 4140-00-103-0064
NSN 5855-00-337-3679
NSN 4140-01-508-2365
NSN 6150-00-250-5166
NSN 5910-01-101-6677
NSN 5835-01-414-3258
NSN 5996-01-633-7979
NSN 5930-01-204-7932