Magnetic permeability shall not exceed 2.0 after fabrication
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 5895-01-445-6561
NSN 6620-01-426-2220
NSN 5965-01-131-4078
NSN 5855-00-327-2112
NSN 5998-01-119-0120
NSN 6320-01-387-8099
NSN 5945-00-543-8717
NSN 6220-00-595-6954
NSN 6130-01-397-8556
NSN 7035-01-146-1578
NSN 6145-00-791-9820
NSN 6610-01-435-4387