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 5915-00-199-0781
NSN 6650-01-589-9916
NSN 5999-01-342-9913
NSN 6220-01-297-6688
NSN 5895-01-641-7824
NSN 6620-00-351-9949
NSN 6620-01-034-4539
NSN 5905-01-451-7391
NSN 5998-00-466-3142
NSN 5935-00-409-3445
NSN 6220-00-833-3904
NSN 6110-01-521-3436