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 6220-01-202-2771
NSN 4140-01-136-2204
NSN 5990-01-462-1617
NSN 5975-00-187-3520
NSN 5855-01-087-1417
NSN 5835-01-436-6549
NSN 6105-00-196-3602
NSN 5905-01-194-1180
NSN 6145-00-046-4568
NSN 5930-01-566-9587
NSN 5975-01-446-8773
NSN 5975-01-425-1268