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 6685-00-776-0656
NSN 6685-00-816-2423
NSN 5910-01-317-2475
NSN 5915-01-629-9166
NSN 6645-00-072-9243
NSN 5930-01-038-4531
NSN 6220-01-396-7636
NSN 5925-01-469-6068
NSN 6650-00-527-8822
NSN 5915-01-432-0324
NSN 5930-01-212-9317
NSN 6610-00-738-7704