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 5910-01-241-0211
NSN 5855-01-234-5346
NSN 6320-01-631-7828
NSN 5950-00-845-0317
NSN 5985-01-256-3514
NSN 5925-01-482-6206
NSN 5965-01-010-1258
NSN 6620-01-117-0834
NSN 5996-00-949-8885
NSN 5998-01-018-4434
NSN 6105-01-538-5735
NSN 6645-01-409-2003