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 5835-01-132-5894
NSN 5975-01-435-6457
NSN 6145-01-558-7876
NSN 5990-01-595-9441
NSN 6620-01-398-4175
NSN 5985-01-553-7834
NSN 6220-01-224-5850
NSN 6150-01-371-3023
NSN 6150-01-128-3227
NSN 6610-00-127-0849
NSN 5996-00-064-2041
NSN 5996-00-754-2840