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 5990-01-426-7350
NSN 5915-00-681-7674
NSN 6620-00-652-9696
NSN 5895-01-140-7685
NSN 5905-01-119-4259
NSN 5996-01-557-1996
NSN 7035-01-242-6496
NSN 6135-00-660-8654
NSN 5835-01-431-6877
NSN 5910-01-266-7809
NSN 6320-01-411-1353
NSN 5935-01-334-8641