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 6220-01-555-8332
NSN 6130-01-236-3925
NSN 6645-00-127-3835
NSN 6610-01-519-3080
NSN 7035-01-614-1776
NSN 5996-01-287-3928
NSN 5925-00-840-4149
NSN 6240-01-588-0971
NSN 6135-00-269-5843
NSN 5930-01-477-1560
NSN 5998-01-098-9146
NSN 6220-00-269-4556