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 5910-00-853-3735
NSN 5910-00-846-0252
NSN 6135-01-286-9563
NSN 6220-00-166-9795
NSN 6240-01-134-6251
NSN 5998-01-439-9108
NSN 5910-00-472-3237
NSN 6135-01-504-4309
NSN 6650-00-266-6808
NSN 5998-01-258-9554
NSN 6320-01-352-5653
NSN 5975-01-551-2387