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Our subsurface sucker rod pumps, crafted according to stringent API 11AX standards, proudly bear the prestigious API monogram and ISO 9001 certification. With cutting-edge technology introduced from the USA in the 1980s, we offer an extensive selection of over 40 meticulously engineered models and sizes. These pumps, with diameters ranging from a precise 28 mm to a robust 108 mm, exemplify the pinnacle of engineering excellence, ensuring optimal performance and reliability.
The Sucker Rod Pump, also renowned as the Insert Rod Pump, stands out among conventional sucker rod pumps for its innovative design. Directly linked to the sucker rod, this pump can be extracted effortlessly without impacting the tubing, streamlining well inspection and maintenance. This efficiency not only halves the time required but also significantly cuts down the costs associated with pumping tests, making it an ideal choice for deeper wells. Its practicality and cost-effectiveness shine in demanding applications.
Our pump barrel features an advanced suspension structure, enhancing the load-bearing capacity for deep well operations. With a setting depth that ranges from 500 to an impressive 1500 meters, this pump boasts remarkable attributes. It adopts a gap bridge structure to prevent bending, with the barrel ingeniously suspended in the outer section, alleviating pressure and reducing bending risks. The reduced space between the plunger and barrel minimizes eccentric wear, extending the pump's service life and boosting efficiency. To further prevent loss, the eccentric distance ε is effectively zero, ensuring minimal pump loss. This design is ideal for deep wells requiring extended tail pipes.
| Specification | Nominal Pump Bore (in) | Plunger Length(ft) | Max.O.D.(mm) | Rod(in) | Tubing(in) | Pump Constant (m3/d) | Stroke (m) |
| 20-112RHBC | 1.12 | 4~6 | 46.7 | 3/4 | 2 3/8 | 0.92 | ≤7.5 |
| 20-112RHBM | 44.7 | ||||||
| 20-125RHBC | 1.25 | 47.5 | 3/4 | 2 3/8 | 1.14 | ||
| 20-125RHBM | 44.7 | ||||||
| 25-150RHBC | 1.5 | 59.5 | 3/4 | 2 7/8 | 1.64 | ||
| 25-150RHBM | 55.6 | ||||||
| 25-175RHBC | 1.75 | 59.5 | 3/4 | 2 7/8 | 2.24 | ||
| 25-175RHBM | 55.6 | ||||||
| 30-225RHBC | 2.25 | 72.1 | 3/4 | 3 1/2 | 3.69 | ||
| 30-225RHBM | 71.7 |
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