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 6320-00-731-6134
NSN 5985-01-531-0992
NSN 6220-01-371-1617
NSN 6105-00-225-0189
NSN 5910-00-170-4423
NSN 5895-00-340-3297
NSN 4140-00-269-5795
NSN 5945-01-351-0466
NSN 5930-01-512-1241
NSN 4140-01-412-1566
NSN 6320-01-228-2380
NSN 6110-01-296-9779