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Kelly Cock Valve

Kelly Cock Valve

Kelly Cock Valve
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Kelly cock valve which is a manually operated ball valve run in the I.D. of drill string. It is one of effective tool for prevention from blowout. The upper Kelly cock valve is connected between the lower ends of swivel and upper of Kelly cock valve. The upper Kelly cock valve is connected between the lower ends of Kelly cock valve and upper of drill pipe. It is easy to operate according to requirements in drill. 

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