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 5895-01-461-7472
NSN 5985-01-632-5562
NSN 5990-01-493-4039
NSN 5930-01-420-5653
NSN 5999-00-144-7698
NSN 5895-01-115-3955
NSN 5930-01-469-6480
NSN 6320-01-608-1935
NSN 5990-01-239-5878
NSN 5920-00-254-8429
NSN 5855-00-058-1293
NSN 6620-01-244-3425