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 5975-01-158-7185
NSN 5935-01-101-4456
NSN 5930-01-432-8781
NSN 6645-00-047-9470
NSN 6220-00-547-8807
NSN 6135-00-299-6918
NSN 6150-01-027-0698
NSN 5965-01-250-0446
NSN 5960-01-123-8775
NSN 6240-01-075-6559
NSN 4140-01-423-1647
NSN 5915-01-188-2781