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 6610-01-103-4627
NSN 5905-00-233-1989
NSN 6685-00-905-8532
NSN 2925-00-435-2992
NSN 5935-01-429-8969
NSN 5965-00-208-4896
NSN 6145-01-469-5599
NSN 6135-00-209-6918
NSN 5996-01-125-3334
NSN 6650-01-573-0616
NSN 6650-01-305-4567
NSN 6320-01-149-7446