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 5910-00-633-7743
NSN 6240-01-060-6037
NSN 6620-00-358-7160
NSN 5930-01-369-7563
NSN 5915-01-287-5669
NSN 5925-01-323-5784
NSN 6645-01-448-8375
NSN 6685-01-521-3950
NSN 6145-01-366-7146
NSN 5945-01-025-9810
NSN 4140-00-434-5001
NSN 6650-01-157-1667