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 5990-01-548-3711
NSN 5855-01-339-1718
NSN 5950-01-398-6278
NSN 5935-01-049-8952
NSN 5985-01-435-5737
NSN 5998-01-269-9669
NSN 6220-00-222-4399
NSN 5998-01-197-2097
NSN 5925-01-535-7772
NSN 6610-00-456-0485
NSN 6145-00-891-3509
NSN 5960-01-205-7425