Puyang Zhongshi Group Co., Ltd.
| Payment Terms | L/C, D/P, T/T, Western Union, D/A |
| Supply Ability | 1000 SETS/MONTH |
| Delivery Time | 10~15 workdays |
| Packaging Details | Standard exported packing |
| Plunger size | 1 1/16" to 3 3/4" |
| Pump bore size | 1 1/16" to 3 3/4" |
| Basic material | AISI 1045 steel |
| Barrel coating | Chrome plated |
| Seating type 1 | Top anchor |
| Seating type 2 | Bottom anchor |
| Brand Name | Zhongshi |
| Model Number | Sucker rod pump |
| Certification | API, ISO, QHSE |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, D/P, T/T, Western Union, D/A | Supply Ability | 1000 SETS/MONTH |
| Delivery Time | 10~15 workdays | Packaging Details | Standard exported packing |
| Plunger size | 1 1/16" to 3 3/4" | Pump bore size | 1 1/16" to 3 3/4" |
| Basic material | AISI 1045 steel | Barrel coating | Chrome plated |
| Seating type 1 | Top anchor | Seating type 2 | Bottom anchor |
| Brand Name | Zhongshi | Model Number | Sucker rod pump |
| Certification | API, ISO, QHSE | Place of Origin | China |
| High Light | AISI 1045 Steel Rod Insert Pump ，Chrome Plated Sucker Rod Insert Pump ，Bottom Anchor Pump Plunger | ||
Wide Range Of Plunger Size Sucker Rod Insert Pump
Wide range of plunger size sucker rod insert pump description:
There is a wide range of plunger (or pump-bore) sizes standardized by the industry. The API pump-bore sizes that are currently available range from 1 1/16 to 3 3/4 in. in diameter. This 1 1/16-in. size has been added back in the latest edition of the standard. Additionally, a new barrel type has been accepted in the latest API Spec. 11AX. This is the "X-type" barrel. It has a thin-walled barrel configuration for threads on either end of the heavy-walled barrel and is available for metal plungers only. This type of pump does not require the extension couplings normally needed for heavy-walled barrel pumps. Thus, this pump reduces the burst or collapse concerns of the thin-walled extension couplings and allows deeper producing depths to be attained.
The rod inserted pump plunger is directly connected to the sucker rod string, and may be tripped into and out the tubing with the barrel together with no need to pull out the tubing string, which can reduce maintenance time and downtime.
The life span of tubing can be prolonged by decreasing times of turning on and off the tubing thread and the time of working over is also shortened. The rod pump can be classified into two types of mechanical seating and cup seating. Also, it is divided into three types as RHA (stationary heavy well barrel top anchor rod pump), RHB (stationary heavy well barrel bottom anchor rod pump) and RHT (traveling heavy well barrel bottom anchor rod pump).
Technical parameters table for RW series:
| RW model | Pump OD (in) | Barrel length (ft) | Plunger length (ft) | Stroke length (ft) | Extension length (ft) | Tubing size EUE(in) |
| 20-125RWBM | Ø31.75 | 2.1-10.4 | 0.3-8.0 | 1.2-9.0 | 0.3-0.9 | 2-3/8” |
| 25-150RWBM | Ø38.10 | 2-7/8” | ||||
| 25-175RWBM | Ø44.45 | 2-7/8” | ||||
| 30-225RWBM | Ø57.15 | 3-1/2” |
Rod inserted pump delivery photo:
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1997
Total Annual:
5 million-10 million
Employee Number:
570~600
Ecer Certification：
Verified Supplier
Puyang Zhongshi Group Co., Ltd., restructured from SINOPEC in 1997 has 20 years experience on manufacturing petroleum machinery products . The company registered capital is 10 million U.S. dollars, with annual export 30 million U.S. Dollars. We have competitive price of o... Puyang Zhongshi Group Co., Ltd., restructured from SINOPEC in 1997 has 20 years experience on manufacturing petroleum machinery products . The company registered capital is 10 million U.S. dollars, with annual export 30 million U.S. Dollars. We have competitive price of o...
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