Puyang Zhongshi Group Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 1000sets/month |
| Delivery Time | 15 work days |
| Packaging Details | Metal or wooden case |
| Type | Bow Type Spring Centralizer |
| Material | Carbon Steel |
| central multimedia | central machinery parts |
| central hydraulics scissor lift | toyota central locking system |
| Weight (KG) | 10 |
| Use | Well Drilling |
| Color | Customized |
| Coating | Galvanized |
| Weight | Varies |
| End Collar Type | Plain, Threaded, Flush |
| Mandrel Thickness | 3/8'' to 1/2'' |
| Size | 3-1/2'' to 20'' |
| Brand Name | ZS |
| Model Number | 5-1/2"X8-1/2"to20"X26" |
| Certification | API 11AX |
| Place of Origin | China,Henan |
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Product Specification
| Payment Terms | T/T | Supply Ability | 1000sets/month |
| Delivery Time | 15 work days | Packaging Details | Metal or wooden case |
| Type | Bow Type Spring Centralizer | Material | Carbon Steel |
| central multimedia | central machinery parts | central hydraulics scissor lift | toyota central locking system |
| Weight (KG) | 10 | Use | Well Drilling |
| Color | Customized | Coating | Galvanized |
| Weight | Varies | End Collar Type | Plain, Threaded, Flush |
| Mandrel Thickness | 3/8'' to 1/2'' | Size | 3-1/2'' to 20'' |
| Brand Name | ZS | Model Number | 5-1/2"X8-1/2"to20"X26" |
| Certification | API 11AX | Place of Origin | China,Henan |
1. Description of Single Piece Bow Spring Casing Centralizer
The Single Piece Bow Spring Casing Centralizer is newly designed integrated steel flexible Centralizer used to centralize casing during the cementing stage of oil wells. Fully integrated (SLIP-ON) centralizers are manufactured in any diameter and as per customer requirements.
The blades, top and bottoms rings are made of one piece to ensure the centralizer s integrity during rig operations.
The specifications comply with API Spec 10D for starting compression, running down hole and expansion force.
These centralizers offer high fatigue strength for axial forces and radial side loads on bows during tubular rotation.
More flexibility as comparison to other spring bow centralizer.
2. Features of Single Piece Bow Spring Casing Centralizer
1. Starting and restoring force confirm to API Standard.
2. More flexibility as comparison to other spring bow centralizer
3. Greater centering efficiency
4. Higher Stand Off.
5. 360° wall coverage for increased load bearing area.
Available Size: 4-1/2" to 13-3/8".
| Model (in) | Hooping In-Dia. (mm) | Hooping thickness (mm) | Total length (mm) | Max.Out-Di (mm) | Amount of spring (mm) |
| 5-1/2" x 8-1/2" | 142-148 | 3-5 | 650±50 | 225±5 | 5 |
| 7" x 9-5/8" | 181-186 | 3-5 | 650±50 | 255±5 | 6 |
| 7" x 8-1/2" | 181-186 | 3-5 | 650±50 | 235±5 | 6 |
| 8-5/8 x 12-1/4" | 223-228 | 3-5 | 650±50 | 330±5 | 8 |
| 9-5/8 x 12-1/4" | 250-255 | 3-5 | 650±50 | 330±5 | 8 |
| 10-3/4 x 12-1/4" | 274-276 | 3-5 | 650±50 | 330±5 | 9 |
| 13-3/8"x17-1/2" | 342-347 | 3-5 | 650±50 | 450±5 | 11 |
| 18-5/8"x24" | 475-477 | 3-5 | 600±50 | 610±5 | 12 |
| 20"x26" | 509-511 | 3-5 | 600±50 | 660±5 | 12 |
Puyang Zhongshi Group Co., Ltd is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of SINOPEC. Our group have 10 years export experience and 9 subsidiary factories, more than 500 employees. We are the first-class supplier of resources market of SINOPEC and CNPC.
We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001. Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.
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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