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 |
| Structure type | Inserted pump |
| Model | RH and RW |
| Pump type | sucker rod pump |
| Application | Oil production |
| Barrel wall type1 | Heavy wall |
| Barrel wall type2 | Thin wall |
| Barrel material | Carbon Steel |
| Brand Name | Zhongshi |
| Model Number | RHAC RHBM RHBC RWAM RWAC RWBM |
| 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 |
| Structure type | Inserted pump | Model | RH and RW |
| Pump type | sucker rod pump | Application | Oil production |
| Barrel wall type1 | Heavy wall | Barrel wall type2 | Thin wall |
| Barrel material | Carbon Steel | Brand Name | Zhongshi |
| Model Number | RHAC RHBM RHBC RWAM RWAC RWBM | Certification | API, ISO, QHSE |
| Place of Origin | China | ||
| High Light | Inserted Oilfield Sucker Rod ，Chrome Plated Sucker Rod ，Sucker Rod Insert Pump | ||
Chrom plated barrel insert pump description
Puyang Zhongshi Group manufacture all subsurface pumps covered by API Spec 11AX, including all barrel and plunger materials and surface finishes.
Two basic type: Sucker rod pump; tubing pump
Comparing with conventional tubing pump, The API sucker rod pump and tubing Pump has better performance in corrosion resistance & antifriction aspects. Plunger of it is nickel plated on alloy base, inside wall of barrel is plated hard cadmium, key parts, such as valve hood, valve ball, are made of materials with excellent mechanical performance and corrosion resistant property. Compared with conventional pump, the series of pump has a longer working life.
Main parts process and material:
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.
Downhole rod pump technical parameters:
| API models | mm(in) Nominal OD | Plunger Length m(ft) | Stroke m | Pump Constant m3/d | Tubing | Sucker rod size |
| 20-125TH | 32(1.25) | 1.2-1.8 (4-6) | 0.6-7.3 | 1.14 | 27/8NU/EU | ¾ |
| 20-125RHAC/M | 32(1.25) | 0.6-7.3 | 1.14 | 27/8NU/EU | ¾ | |
| 20-125RHBC/M | 32(1.25) | 0.6-7.3 | 1.14 | 27/8NU/EU | ¾ | |
| 20-125RHTC/M | 32(1.25) | 0.6-7.3 | 1.14 | 27/8NU/EU | ¾ | |
| 25-125TH | 32(1.25) | 0.6-7.3 | 1.14 | 27/8NU/EU | ¾ | |
| 25-150RHAC/M | 38(1.50) | 0.6-7.3 | 1.64 | 27/8NU/EU | ¾ | |
| 25-150RHBC/M | 38(1.50) | 0.6-7.3 | 1.64 | 27/8NU/EU | ¾ | |
| 25-150RHTC/M | 38(1.50) | 0.6-7.3 | 1.64 | 27/8NU/EU | ¾ | |
| 20-150TH | 38(1.50) | 0.6-7.3 | 1.64 | 27/8NU/EU | ¾ | |
| 25-150TH | 38(1.50) | 0.6-7.3 | 1.64 | 27/8NU/EU | ¾ | |
| 20-175TH | 44(1.75) | 0.6-7.3 | 2.24 | 27/8NU/EU | ¾ | |
| 25-175RHAC/M | 44(1.75) | 0.6-7.3 | 2.24 | 27/8 | ¾ | |
| 25-175RHBC/M | 44(1.75) | 0.6-7.3 | 2.24 | 27/8NU/EU | ¾ | |
| 25-175RHTC/M | 44(1.75) | 0.6-7.3 | 2.24 | 27/8NU/EU | ¾ | |
| 25-175TH | 44(1.75) | 0.6-7.3 | 2.24 | 27/8NU/EU | ¾ | |
| 25-225TH | 57(2.25) | 0.6-7.3 | 3.69 | 27/8NU/EU | ¾ | |
| 30-275TH | 70(2.75) | 0.6-7.3 | 5.50 | 3½NU/EU | 7/8 | |
| 30-225RHAC/M | 57(2.25) | 0.6-7.3 | 3.69 | 3½ NU/EU | ¾ | |
| 30-225RHBC/M | 57(2.25) | 0.6-7.3 | 3.69 | 3½ NU/EU | ¾ | |
| 30-225RHTC/M | 57(2.25) | 0.6-7.3 | 3.69 | 3½ NU/EU | ¾ | |
| 35-325TH | 83(3.25) | 0.6-7.3 | 7.70 | 4NU/EU | 7/8 | |
| 40-375TH | 95(3.75) | 0.6-7.3 | 10.26 | 4½NU/EU | 1 |
Downhole rod pump features:
1. Inserted type configuration
2. Tubing pump is suitable for large volume oil production
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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