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Double Block Ball Valve Services
1 services found
Manufactured by:FBV Inc. based inBrookshire, TEXAS (USA)
Characteristics of working conditions. On the upstream long-distance pipeline, in order to cut off the medium pressure from both ends of the valve at the same time, the valve with double blocking and double discharge (DBB) function is selected to cope with the working condition that both ends of the valve may bear pressure at the same ...