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 6110-01-241-3456
NSN 5999-00-725-0016
NSN 6220-01-512-8290
NSN 4140-00-170-5152
NSN 5985-01-544-3600
NSN 6650-01-655-7813
NSN 6145-00-456-9791
NSN 5895-01-633-9032
NSN 6685-00-536-0476
NSN 6620-00-308-2531
NSN 5920-00-060-3290
NSN 6610-01-591-4374