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 5975-00-834-0568
NSN 6620-00-155-2608
NSN 5925-00-226-1155
NSN 5996-01-431-7013
NSN 6110-00-231-9493
NSN 6135-01-517-6060
NSN 6145-00-787-7313
NSN 6145-00-350-0132
NSN 5920-01-004-9989
NSN 5835-00-092-1136
NSN 5945-01-288-4404
NSN 5998-01-244-8534