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 6645-01-573-0553
NSN 5895-00-644-5712
NSN 6135-00-985-7846
NSN 6110-01-239-9319
NSN 5930-01-632-1494
NSN 6110-00-621-0354
NSN 5960-00-752-6175
NSN 6220-01-341-0630
NSN 5996-00-213-7121
NSN 6145-01-536-4535
NSN 5998-01-041-8797
NSN 6645-01-322-4413