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Crafted with precision and excellence, these subsurface sucker rod pumps are manufactured to the high standards of API 11AX, proudly bearing the API monogram and ISO 9001 certification. Since the 1980s, we've integrated advanced technology from the USA to bring you over 40 models and sizes, with diameters ranging from a compact 28 mm to a robust 108 mm, ensuring there's a perfect fit for every application.
The Sucker Rod Pump, also known as the insert rod pump, stands as a hallmark of conventional pumping technology. Ingeniously connected directly to the sucker rod, it allows for effortless extraction without disturbing the tubing, making well inspections and workovers remarkably convenient. This streamlined design not only halves the time but also cuts down on costs associated with pumping tests. It's an ideal choice for tapping into deeper wells with exceptional ease and efficiency.
Boasting a sophisticated suspension structure, this pump barrel is engineered for optimal performance in deep wells. Capable of reaching unprecedented depths of 500-1500 meters, it features a gap bridge design to prevent bending, with the barrel securely suspended to avoid pressure-induced stress. This innovative layout minimizes eccentric wear between the plunger and barrel, enhancing service life and boosting pump efficiency. With an eccentric distance ε=0, it effectively reduces pump loss, making it perfect for deep wells that require extensive tail pipe installations.
| 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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