Description
Are intended for transfer of a forward or rotary motion from the land drive to the borehole pump at oil production. Bars represent a metal core of round section on which ends the heads which are coming to an end with a carving are landed. For protection from wear of bars, couplings and pump and compressor pipes of a bar can be equipped with centralizers of various types, and for removal of paraffin deposits by in addition mobile scrapers. Bars pump the class "D" (according to the API specification) possess the increased strength and anticorrosive properties and on the quality do not concede production of the known foreign companies.
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Sucker rods
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