Product Description

Kelly pipe plug valve is a manual control valve in drill string circulation system, which is one of the effective tools to prevent blowout. Kelly cock valve is divided into upper kelly cock valve and lower kelly cock valve. The upper kelly cock valve is connected between the lower end of the faucet and the upper end of the kelly. The lower kelly cock valve is connected between the lower end of the kelly and the upper end of the kelly or the lower end of the kelly protection joint. Kelly plug valve operation is very simple, with a special wrench to turn 90 degrees according to the instructions can be realized to open or close. In the drilling operation, the kelly cock valve should be arranged on the upper and lower ends of the kelly.

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