Deairation valve including a super-dead center mechanism (sicwhich opens the valve at a predetermined limiting pressure especially useful for blast furnace and direct reduction units

摘要

Deairation valve (2) especially for blast furnace and direct reduction units which is moveable against a restoring force and especially a spring force and includes a closing position (sic), the valve (2) having a super-dead center mechanism (sic)(3,4,5)(SDC) which opens the valve at a predetermined limiting pressure.