lnkm
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Yvonne57
They are used for oilfield drilling operations and widely applied in making up and breaking out of drill pipes. They are designed to be open-throat with high mobility to escape from the drill pipes freely. A drill pipe power tong consists of a spinning tong and a torque tong. It substitutes a cathead, suspension tong and spinning rope in making up and breaking out.
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| 14 years ago. Rating: 1 | |
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