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 6620-01-238-6910
NSN 6610-00-960-9135
NSN 5998-00-190-6717
NSN 7035-01-182-7640
NSN 5855-01-110-9564
NSN 5935-01-366-0027
NSN 5930-01-649-5256
NSN 6320-01-512-2031
NSN 4140-00-443-5678
NSN 6685-01-602-2381
NSN 6150-01-075-0726
NSN 6650-01-274-3828