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 5996-01-489-1137
NSN 6645-01-259-7142
NSN 5910-01-188-2302
NSN 5950-01-544-5718
NSN 6105-00-894-7007
NSN 5950-00-695-9345
NSN 5975-00-890-9860
NSN 5996-01-532-8764
NSN 5945-01-552-5838
NSN 5925-01-267-6940
NSN 6240-01-016-4448
NSN 4140-00-277-6285