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 6110-00-971-2035
NSN 5915-00-735-4673
NSN 4140-00-772-5244
NSN 5945-01-274-2265
NSN 6645-01-101-2877
NSN 5920-01-287-8409
NSN 5950-00-455-0735
NSN 2925-00-735-4979
NSN 5895-01-504-1744
NSN 4140-01-577-7350
NSN 7035-01-471-8349
NSN 5950-00-206-3213