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 6610-01-041-1880
NSN 6220-01-507-9051
NSN 6145-01-194-9327
NSN 5996-00-451-2549
NSN 5835-01-176-5422
NSN 6130-01-515-7791
NSN 6650-00-555-1061
NSN 5985-01-410-7826
NSN 5998-01-477-1448
NSN 5905-00-299-2098
NSN 5960-01-123-8775
NSN 5915-01-188-3540