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 5835-01-185-1102
NSN 5915-01-659-0990
NSN 5915-01-495-1923
NSN 6145-01-135-6836
NSN 6130-01-417-2885
NSN 5925-01-428-4206
NSN 6150-00-729-9420
NSN 5960-00-860-7710
NSN 5930-01-448-9434
NSN 5910-01-155-5319
NSN 2925-00-435-2992
NSN 6145-01-264-4539