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 5950-00-148-9312
NSN 5855-00-494-9581
NSN 5996-01-286-8894
NSN 6620-00-126-5072
NSN 5905-01-474-2916
NSN 6135-00-577-8429
NSN 5915-01-388-5935
NSN 6130-00-997-4755
NSN 5960-01-421-0887
NSN 5999-00-475-3917
NSN 4140-00-225-8586
NSN 6645-00-868-1246