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 6240-01-380-6466
NSN 5999-01-535-6570
NSN 6145-00-964-7466
NSN 6240-01-525-6585
NSN 5925-01-462-0068
NSN 6135-01-504-4309
NSN 6645-00-183-8812
NSN 6320-01-203-9864
NSN 5945-00-184-8721
NSN 6145-01-258-5828
NSN 6685-01-430-1142
NSN 5835-00-770-2843