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 5990-01-380-7815
NSN 6150-01-442-8868
NSN 5915-01-263-6956
NSN 6105-01-630-7492
NSN 6135-00-416-2898
NSN 5945-01-647-2764
NSN 6220-00-899-6718
NSN 6110-01-345-3314
NSN 5960-01-495-0859
NSN 6645-00-353-6659
NSN 6110-01-568-5318
NSN 5915-01-014-0336