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 6150-00-222-5302
NSN 5975-00-185-5243
NSN 5975-00-248-2560
NSN 5990-00-814-7990
NSN 5905-00-959-6638
NSN 5925-00-525-4037
NSN 6620-01-633-8443
NSN 6135-00-351-8606
NSN 5905-01-029-4987
NSN 6105-01-571-2072
NSN 6240-00-752-2581
NSN 5855-01-647-8382