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 5935-01-255-8572
NSN 6650-01-461-4807
NSN 5996-00-563-0371
NSN 5855-00-051-2792
NSN 6110-01-505-2337
NSN 5998-01-130-6083
NSN 6220-01-621-3473
NSN 5975-01-144-0346
NSN 6620-00-895-9774
NSN 6320-00-466-0371
NSN 5950-01-215-1500
NSN 5915-01-050-2306