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 6220-00-011-9068
NSN 6620-01-281-6386
NSN 6110-01-199-0172
NSN 5950-01-350-0960
NSN 6240-01-220-6066
NSN 6135-01-441-0518
NSN 6240-01-521-4256
NSN 6135-00-073-8939
NSN 6685-01-595-2749
NSN 4140-01-540-5318
NSN 6320-00-977-3930
NSN 6610-01-115-9171