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 |
| Application well | Sandy wells |
| Barrel structure | Travelling barrel |
| Size | From 20-125 to 30-250 |
| Barrel material | Carbon steel |
| Barrel coating 1 | Chrome plated |
| Barrel coating 2 | Nickel carbide |
| 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 |
| Application well | Sandy wells | Barrel structure | Travelling barrel |
| Size | From 20-125 to 30-250 | Barrel material | Carbon steel |
| Barrel coating 1 | Chrome plated | Barrel coating 2 | Nickel carbide |
| Brand Name | Zhongshi | Model Number | Sucker rod pump |
| Certification | API, ISO, QHSE | Place of Origin | China |
| High Light | Travelling Downhole Rod Pump ，Sandy Wells Downhole Pumps ，Barrel Downhole Pumps | ||
Travelling Barrel Downhole Pumps For Sandy Wells
Travelling barrel pump description:
Downhole rod pump should be installed inside the tubing with the sucker rod. It is not necessary to pull the tubing out of the well when checking the pump, which can make the operation easier and quicker.
According to seating mode, the downhole rod pump can be divided into two types: cup hold-down pump and mechanical hold-down pump. According to the anchored position, the downhole rod pump can be divided into top anchor pump and bottom anchor pump (including stationary barrel type and traveling barrel type).
To achieve maximum performance,API subsurface pumps are machined with extra small clearance between the plunger and the inside wall of the barrel.
API RW models technical parameters table:
| RW Models | Pump OD (in) | Barrel length (ft) | Plunger length (ft) | Stroke length (ft) | Extension length (ft) | Tubing size EUE(in) |
| 30-250RWAM | Ø63.5 | 2.1-10 | 0.3-8.0 | 1.2-9.0 | / | 3-1/2” |
| 30-250RWBM | ||||||
| 30-250RWAC | Ø63.5 | 3-1/2" | ||||
| 30-250RWBC |
Pump components:
Pump barrel: plain carbon steel plating (A1), ordinary carbon steel carbonitriding (B1), ordinary carbon steel carburizing (B2), low alloy steel nitride (B5).
Plunger: 1045 steel spraying (B1), 1045 steel spraying (B2), 1045 steel chrome plating (A1), 1045 steel double chrome plating (A2).
Valve ball and seat: stainless steel (A1), cobalt chromium (B2), tungsten carbide (C1), nickel and carbon compounds (C2), titanium carbide (C3).
Other accessories: plain carbon steel, low alloy steel, stainless steel, brass and other materials.
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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