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 6135-01-414-9810
NSN 5985-00-540-9460
NSN 4140-00-193-8879
NSN 5920-00-875-4100
NSN 5975-01-418-1858
NSN 6110-01-298-5561
NSN 5910-00-845-4819
NSN 5965-01-566-2744
NSN 5965-01-388-3492
NSN 5975-00-928-9190
NSN 5920-01-574-0703
NSN 5925-01-408-6577