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 6320-01-329-8380
NSN 5930-01-364-6731
NSN 5895-00-736-4624
NSN 6135-01-173-6306
NSN 6150-01-207-1170
NSN 7035-00-104-7613
NSN 5855-01-344-8688
NSN 6610-01-357-5957
NSN 5945-01-294-9692
NSN 6145-00-226-9499
NSN 5945-01-377-4499
NSN 5855-01-425-1330