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 5999-00-144-7698
NSN 5925-01-186-2709
NSN 6240-00-141-0129
NSN 4140-01-541-4286
NSN 6110-01-187-0603
NSN 7035-01-198-1512
NSN 6620-01-622-9976
NSN 2925-00-845-1480
NSN 6620-01-327-4111
NSN 6220-01-634-0660
NSN 5999-00-122-6567
NSN 5996-01-128-0963