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 5935-01-382-9767
NSN 5950-01-505-6605
NSN 6645-01-493-2620
NSN 5855-01-023-3727
NSN 5855-01-388-2424
NSN 5905-00-161-3961
NSN 6135-00-412-1687
NSN 5999-01-596-3785
NSN 6645-01-083-4759
NSN 4140-01-328-9004
NSN 5985-01-436-4163
NSN 5990-01-301-6850