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 6650-01-519-1867
NSN 5999-00-983-9348
NSN 5895-00-516-9357
NSN 4140-01-314-0235
NSN 6685-00-801-5766
NSN 6110-01-090-1325
NSN 5950-00-281-2389
NSN 5920-01-140-1120
NSN 6145-01-539-7893
NSN 5945-01-082-2771
NSN 5945-01-480-2722
NSN 5920-00-822-2327