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 5915-01-459-8059
NSN 5855-01-464-3152
NSN 6150-00-583-9878
NSN 4140-00-789-2543
NSN 5960-01-437-3313
NSN 7035-01-181-2705
NSN 5960-00-887-2618
NSN 7035-00-177-1557
NSN 5945-01-256-5867
NSN 6135-00-862-5736
NSN 6220-01-507-5320
NSN 6130-01-263-3541