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 5990-01-411-5930
NSN 5915-01-620-9455
NSN 6130-01-227-2115
NSN 5950-01-513-4246
NSN 5985-00-995-9704
NSN 6220-01-535-0892
NSN 5950-00-520-9539
NSN 5975-00-393-2097
NSN 6135-00-416-2898
NSN 5915-01-009-5472
NSN 5950-00-426-7243
NSN 6220-01-381-1793