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 6150-01-459-0990
NSN 5985-00-938-4980
NSN 5960-01-278-2852
NSN 5915-01-473-7193
NSN 5930-00-240-4428
NSN 6320-01-215-1133
NSN 6130-01-197-4605
NSN 5965-01-051-0126
NSN 2925-01-094-4771
NSN 4140-01-197-7658
NSN 5925-00-102-9390
NSN 5835-01-482-1591