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 6110-01-307-3191
NSN 4140-01-243-1658
NSN 2925-01-327-3069
NSN 6130-00-104-0701
NSN 5930-01-236-9707
NSN 6150-00-917-4408
NSN 2925-01-250-2731
NSN 5965-00-275-0491
NSN 6105-01-298-6930
NSN 6645-01-007-9192
NSN 6130-00-018-8621
NSN 5960-00-256-1203