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 6650-01-337-8666
NSN 6130-01-420-5965
NSN 6650-00-987-5070
NSN 5935-01-347-6515
NSN 6135-00-299-6918
NSN 6320-01-521-0377
NSN 2925-00-246-3077
NSN 6620-00-877-3266
NSN 5975-01-556-8993
NSN 5905-01-237-3440
NSN 6240-01-160-7934
NSN 7035-01-107-2811