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 5945-01-340-0604
NSN 5855-00-763-2155
NSN 5855-01-308-0955
NSN 7035-01-644-5251
NSN 5998-00-288-1902
NSN 5905-01-526-8195
NSN 4140-00-646-6588
NSN 5910-01-633-9963
NSN 6610-00-100-1195
NSN 6130-01-073-7505
NSN 5999-01-513-1964
NSN 5930-01-132-0385