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 6610-00-518-4919
NSN 6645-01-227-2036
NSN 6620-01-168-8450
NSN 6220-01-229-3722
NSN 5990-01-581-5103
NSN 5985-01-623-4887
NSN 5895-00-011-7880
NSN 5915-00-853-8583
NSN 5915-00-962-0358
NSN 5855-01-534-4577
NSN 6620-01-462-5196
NSN 6320-00-394-8458