Puyang Zhongshi Group Co., Ltd.
Puyang Zhongshi Group Co., Ltd.
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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:
