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 6130-01-491-3843
NSN 5945-01-321-3623
NSN 5920-01-476-5120
NSN 6645-01-532-3172
NSN 5985-01-336-1690
NSN 6610-01-426-5090
NSN 6220-01-229-8821
NSN 5905-01-242-8123
NSN 6135-01-204-8712
NSN 5895-01-274-3422
NSN 5985-01-340-3105
NSN 5905-00-836-7635