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API Spec 7K Pneumatic&Hydraulic Spinning WrenchThe spinning wrench is the best replacement of the spinning rope or spinning chain. It is applied for the mechanized spinning operation. The applicab
The spinning wrench is the best replacement of the spinning rope or spinning chain. It is applied for the mechanized spinning operation. The applicable range of pipe diameter is wide, and it can arbitrarily adjusted whenever necessary. There are two configurations for clamping apparatus: air tyre and air cylinder. It is designed and manufactured according to API Spec 7K.
Operation procedure: hang the wrench vertically 0.3-0.5meters above drill pipe coupling, and make drill pipe around four rollers of the spinning wrench. Operate the right handle of combination valve and make the rollers press on the drill pipe. Then operate the left handle and start the right and left motors. Through right and left reduction devices, the motors will bring the respective drive rollers to rotate. Under the moment of friction, drill pipe will rotate along the rollers, so drill pipe coupling will screw in or screw out.
As to different tubular, the opening of spinning wrench may be adjusted to match with it. No need to change rollers. This brings more convenience to manufacture, operation and maintenance of the wrench.
