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 6240-01-181-4474
NSN 5905-01-440-7672
NSN 6610-00-225-9886
NSN 5920-01-214-8430
NSN 6645-01-495-0939
NSN 5960-00-060-3752
NSN 5960-00-148-4493
NSN 5935-00-597-4728
NSN 5915-01-290-4828
NSN 5960-01-379-3947
NSN 5965-01-164-7982
NSN 5998-01-064-5619