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 4140-01-103-0034
NSN 2925-00-314-0252
NSN 5975-01-179-1658
NSN 5910-01-085-6434
NSN 5999-01-063-8092
NSN 6610-01-450-0291
NSN 7035-01-579-5613
NSN 5999-01-013-0728
NSN 6610-01-603-0703
NSN 5998-01-152-0046
NSN 6240-01-157-9128
NSN 6320-01-445-0325