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 6620-01-141-5747
NSN 5930-01-352-3916
NSN 5950-01-046-0387
NSN 2925-00-004-8881
NSN 5925-01-415-3084
NSN 5998-01-566-0053
NSN 5855-00-149-0766
NSN 6610-00-564-1728
NSN 2925-01-274-8576
NSN 5910-01-657-1235
NSN 6240-00-909-5473
NSN 2925-01-302-8591