Sucker Rod Pump
**Description**
A Sucker Rod Pump, also known as an insert pump, is a type of downhole pump designed for oil and gas production. It features two working barrels: the outer barrel is equipped with a vertebral body seat and a clamp spring. The outer working barrel is first placed into the well along with the tubing. Then, the inner working barrel—fitted with a liner and piston at its lower end—is connected to the sucker rod and inserted into the outer barrel. Finally, it is secured using a circlip. This design allows for efficient fluid displacement and is commonly used in rod-pumped wells.
**Specification**
Below is a detailed table of specifications for various models of Sucker Rod Pumps:
| Model | mm (in) - Nominal Dia. | m (ft) - Plunger Length | Stroke (m) | m³/d - Pump Constant | Tubing And Thread | in - Sucker Rod |
|---------------|-------------------------|--------------------------|------------|------------------------|--------------------|------------------|
| 20-125TH | 32 (1.25) | 1.2~1.8 (4~6) | 0.6~7.3 | 1.14 | 2 3/8 NU/EU | 3/4 |
| 25-125TH | 32 (1.25) | 1.2~1.8 (4~6) | 0.6~7.3 | 1.14 | 2 7/8 NU/EU | 3/4 |
| 20-150TH | 38 (1.50) | 1.2~1.8 (4~6) | 0.6~7.3 | 1.64 | 2 3/8 NU/EU | 3/4 |
| 25-150TH | 38 (1.50) | 1.2~1.8 (4~6) | 0.6~7.3 | 1.64 | 2 7/8 NU/EU | 3/4 |
| 20-175TH | 44 (1.75) | 1.2~1.8 (4~6) | 0.6~7.3 | 2.24 | 2 3/8 NU/EU | 3/4 |
| 25-175TH | 44 (1.75) | 1.2~1.8 (4~6) | 0.6~7.3 | 2.24 | 2 7/8 NU/EU | 3/4 |
| 25-225TH | 57 (2.25) | 1.2~1.8 (4~6) | 0.6~7.3 | 3.69 | 2 7/8 NU/EU | 3/4 |
**About Us**
Founded in 1997 as a restructured entity from SINOPEC, we have over 25 years of experience in manufacturing petroleum machinery. Our products are known for their competitive pricing and high quality.
Our main product lines include cementing equipment and casing accessories such as spring centralizers, solid rigid centralizers, float equipment, and cementing plugs. We operate 9 factories with more than 500 employees and a wide range of advanced production equipment.
We hold several important certifications, including API 5CT, 6A, 10D, 11AX, 11E, ISO 9001, and ISO 14001. With over 10 years of exporting experience, we have successfully supplied our products to more than 30 countries, including the United States, Canada, Russia, Venezuela, Colombia, Thailand, Indonesia, UAE, Saudi Arabia, Kazakhstan, and many others.
Whether you're looking for reliable pumping solutions or high-quality well completion equipment, we are committed to delivering excellence and value to our global customers.
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