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 5895-00-504-7700
NSN 5998-00-456-5306
NSN 5930-00-845-8335
NSN 6220-01-327-3272
NSN 6240-01-140-0051
NSN 5910-01-278-3110
NSN 5990-01-024-9659
NSN 6650-00-283-0978
NSN 5905-01-321-1872
NSN 6240-01-114-1926
NSN 4140-00-991-8849
NSN 6650-01-122-0169