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 6220-01-578-5507
NSN 5985-01-150-6571
NSN 6145-01-067-8619
NSN 6135-01-026-9960
NSN 5998-01-642-5534
NSN 5905-00-138-7934
NSN 5945-01-148-1941
NSN 5999-01-556-6928
NSN 6145-01-061-0962
NSN 5920-01-519-2399
NSN 5835-01-632-6627
NSN 6130-01-498-0203