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 6220-01-240-9913
NSN 6240-01-167-5040
NSN 5835-01-497-5029
NSN 6610-00-407-4295
NSN 5895-01-459-5863
NSN 6320-01-317-3663
NSN 6240-00-737-2775
NSN 7035-01-445-3563
NSN 6105-01-288-4210
NSN 5965-01-457-5354
NSN 5990-01-524-8954
NSN 5945-01-357-6624