The protective device installed on this rod pump is positioned at the upper part of the integral tubular rod pump. It serves to prevent sand, wax, scale, and other debris from settling in the well fluid within the upper tubing section of the pump, thereby avoiding their entry into the upper pump barrel. This helps reduce wear on the plunger and pump barrel, and even prevents potential pump jamming incidents.
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Guangming Avenue, Gangnan Mining Area, Dagang Oilfield, Tianjin City
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