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 5910-01-418-5663
NSN 5945-00-871-3691
NSN 5990-01-258-3848
NSN 6145-01-463-5917
NSN 6145-00-889-8551
NSN 6145-00-080-6517
NSN 4140-01-557-9472
NSN 5915-01-365-6279
NSN 5975-01-498-8900
NSN 6620-01-506-5418
NSN 5999-01-132-0429
NSN 5945-01-625-0708