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 6220-01-425-4688
NSN 5835-01-449-7511
NSN 6220-01-079-2029
NSN 6650-01-588-4687
NSN 6240-00-822-4571
NSN 6645-01-473-9179
NSN 5945-01-343-3209
NSN 6240-00-449-6003
NSN 6135-00-951-3426
NSN 5985-00-291-9974
NSN 6240-01-447-3199
NSN 2925-01-113-6904