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 |
| Pump barrel material | Carburized barrel |
| Pump model | RH and RW |
| Barrel type | Heavy wall or thin wall |
| Plunger surface | Spray metal |
| Plunger length | 10'-36' |
| Barrel surface condition | Surface hardened |
| 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 |
| Pump barrel material | Carburized barrel | Pump model | RH and RW |
| Barrel type | Heavy wall or thin wall | Plunger surface | Spray metal |
| Plunger length | 10'-36' | Barrel surface condition | Surface hardened |
| Brand Name | Zhongshi | Model Number | Sucker rod pump |
| Certification | API, ISO, QHSE | Place of Origin | China |
| High Light | Carburized Barrel Srp Pump ，4140 Srp Pump ，4140 Oil Rod Pump | ||
Carburized Barrel 4140 Material Plunger Sucker Rod Pump
Carburized pump barrel sucker rod pump description:
Rod pumps also are called insert pumps because they are run (inserted) in the production tubing.
Puyang Zhongshi Group manufacture all subsurface pumps covered by API Spec 11AX, including all barrel and plunger materials and surface finishes. Our sucker rod pumps can be furnished with the components most suitable for your field of application and pumping operations can easily be extended to corrosive environments.
To achieve maximum performance,API subsurface pumps are machined with extra small clearance between the plunger and the inside wall of the barrel.
API sucker rod pump model is as follows,
API-RHAC, Rod, Stationary Heavy Wall Barrel, Cup Top Anchor Pump
API-RHBM, Rod, Stationary Heavy Wall Barrel, Mechanical Bottom Anchor Pump
API-RHBC, Rod, Stationary Heavy Wall Barrel, Cup Bottom Anchor Pump
API-RWAM, Rod, Stationary Thin Wall Barrel, Mechanical Top Anchor Pump
API-RWAC, Rod, Stationary Thin Wall Barrel, Cup Top Anchor Pump
API-RWBM, Rod, Stationary Thin Wall Barrel, Mechanical Bottom Anchor Pump
There are seven major components for downhole rod pumps: standing and traveling valves, plunger, barrel, seating assembly, pull tube or valve rod (for insert pump), and the fittings that hold the assembled pump together.
API pump parts technical table:
| API code | Pump parts description | Well Tubing Size & Pump Size | |||
| 2 3/8x1 1/4 | 2 3/8x1 1/2 | 2 7/8x2 | 3 1/2x2 1/2 | ||
| Completed Pump Designation | |||||
| 20-125 | 20-150 | 25-200 | 30-250 | ||
| B21 | Bushing, Valve Rod | B21-20 | B21-20 | B21-25 | B21-30 |
| R11 | Rod, Valve | R11-20 | R11-20 | R11-25 | R11-30 |
| C12 | Cage, Top Plunger | C12-125 | C12-150-20 | C12-200 | C12-250 |
| P21 | Plunger, One Piece | P21-125 | P21-150 | P21-200 | P21-250 |
| C13 | Cage, Closed, Pin Plunger | C13-125 | C13-150 | C13-200 | C13-250 |
| V11 | Traveling Valve | V11-125 | V11-150 | V11-200 | V11-250 |
| P12 | Plug Seat | P12-125 | P12-150 | P12-200 | P12-250 |
| G11 | Guide, Valve Rod | G11-20 | G11-20 | G11-25 | G11-30 |
| S21 | Seating Assembly, Mechanical Top Lock | S21-20 | S21-25 | S21-25 | S21-30 |
| B11 | Barrel, Thin Wall | B11-125 | B11-150 | B11-200 | B11-250 |
| C14 | Cage, Closed Barrel | C14-20- 125 | C14-20 | C14-25 | C14-30 |
| V11 | Standing Valve | V11-175 | V11-175 | V11-225 | V11-250 |
| B22 | Bushing, Seat, Barrel Cage | B22-20 | B22-20 | B22-25 | B22-30 |
| N14 | Nipple, Seating, Mechanical Top Lock | N14-20 | N14-25 | N14-25 | N14-30 |
For small quantity, the packing style is packed by packing frame and plywood case outside.
Delivery packing 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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