PN：0210300000
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Description: It carries the hanging spinner nippers to the well head. The nipper arm is tightened together with the body. Then the two-way air valve is operated, and the clamping arm is retracted to the middle. The motor handle is wrenched to open the two-way air valvl motor. The driving valve is revolved in action of the epicyclical reduction. The drill pipe revolves because of moment of friction, so the aim, which drill pipe thread turns in and out, is realized. Details:
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No.1, Bei Yi Xiang, Damucang Hutong, Xidan, Beijing P.R.C.100032
Copyright © 2009 China Educational Instrument & Equipment Corp. All rights reserved.
Damucang Hutong, Xidan, Beijing P.R.C.100032
