DBB Ball Valve

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Stem Trunnion Valve Ball use three pieces of body design, the valve cavity can effectively exhaust pressure relief pressure.Stem ball valve is safe and reliable structure.

Double block and bleed Ball Valve

The double block bleed valve and Bleed Ball Valve require two isolation in one line and a bleed function. Double block and bleed valve is applied to control the flow between the two ‘ball valves’ cavity in order to block the downstream pipeline in a safety way. The double block and bleed ball valve is playing the role of venting the pressure safety during maintenance by a valve stead of two bolted valves.

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