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 5945-00-888-3223
NSN 6620-00-233-6839
NSN 5960-01-391-8860
NSN 6130-01-558-1130
NSN 6150-01-528-3312
NSN 2925-00-330-7316
NSN 6220-01-660-9961
NSN 5985-01-457-1433
NSN 6620-00-800-5579
NSN 5855-00-911-1370
NSN 6110-01-482-0337
NSN 4140-01-273-1829