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 5945-01-109-2396
NSN 2925-01-067-4446
NSN 6610-01-425-1523
NSN 5998-00-147-6086
NSN 6130-01-108-7326
NSN 6105-01-595-9044
NSN 6110-01-450-6488
NSN 6110-01-651-2019
NSN 6150-00-812-7928
NSN 5855-00-427-7848
NSN 4140-01-058-1394
NSN 6610-00-937-3798