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 6150-01-641-2931
NSN 4140-01-564-9921
NSN 5975-01-555-8055
NSN 5965-00-317-1679
NSN 6105-01-310-8468
NSN 5930-01-327-7943
NSN 5996-00-104-8293
NSN 5960-00-981-8653
NSN 6110-00-489-8810
NSN 5996-01-534-6088
NSN 5985-00-209-7032
NSN 5975-01-427-3521