sucker rod centering guides

Drill pipe centering guides is mainly used in pumping units to specially righting the mast of a sucker rod and prevent any fiction between the mast and tubing. We produce roller and cylinder centering guides that are based on working principles as follows: roller centering guide: a roller rolls in the tube during operation to prevent any fiction between the mast and the tubes; cylinder centering guide: a nylon righting, which can rotate independently so as to make the fiction evenly distributed, contacts the tube to prevent any fiction between the mast and the tubes. Therefore, worn nylon centering guide, rather than the rod, can be replaced, and thus production costs are reduced. 

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