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 5930-01-153-8320
NSN 5835-01-030-8652
NSN 7035-01-137-0620
NSN 6240-00-072-9966
NSN 5855-01-448-9794
NSN 6105-01-229-4833
NSN 6105-01-433-5328
NSN 4140-01-563-1621
NSN 5998-01-127-6776
NSN 5835-01-522-9881
NSN 5960-00-508-1913
NSN 2925-01-590-8691