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 5930-00-470-1554
NSN 5930-01-487-6237
NSN 5835-01-132-5894
NSN 5935-01-229-5667
NSN 6240-01-630-3442
NSN 6240-00-705-7731
NSN 7035-01-033-0612
NSN 5935-00-111-2417
NSN 5925-01-630-9290
NSN 5935-01-499-6492
NSN 5996-01-440-5866
NSN 6620-00-364-6890