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 6620-01-539-5189
NSN 6645-01-157-4199
NSN 5999-01-640-9283
NSN 6105-01-180-8941
NSN 4140-01-076-9775
NSN 6645-01-262-8493
NSN 2925-01-132-5827
NSN 6320-01-280-5091
NSN 4140-01-058-6603
NSN 5910-00-650-4949
NSN 5925-00-023-0104
NSN 5965-01-149-8000