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 6620-00-234-3369
NSN 6320-00-994-0179
NSN 5895-00-963-8751
NSN 5930-01-363-6250
NSN 5985-00-905-6609
NSN 6220-00-246-7245
NSN 5985-01-344-0710
NSN 6620-01-296-0873
NSN 5835-01-632-6627
NSN 5905-00-253-1865
NSN 6135-01-471-7325
NSN 5915-00-115-3635