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 6650-00-801-8298
NSN 6220-01-198-9959
NSN 6135-01-142-6456
NSN 6130-01-332-4952
NSN 4140-01-290-1733
NSN 5930-01-641-5021
NSN 6685-00-402-7365
NSN 6135-00-299-6918
NSN 5915-00-078-9574
NSN 5930-00-684-2991
NSN 6620-00-533-0536
NSN 4140-00-793-5180