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 | Stainless steel |
| central multimedia | central machinery parts |
| central hydraulics scissor lift | toyota central locking system |
| Weight (KG) | 10 |
| Use | Well Drilling |
| Color | Customized |
| Brand Name | ZS |
| Model Number | 5-1/2"X8-1/2"to20"X26" |
| Certification | API 11AX |
| Place of Origin | China,Henan |
View Detail Information
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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 | Stainless steel |
| central multimedia | central machinery parts | central hydraulics scissor lift | toyota central locking system |
| Weight (KG) | 10 | Use | Well Drilling |
| Color | Customized | Brand Name | ZS |
| Model Number | 5-1/2"X8-1/2"to20"X26" | Certification | API 11AX |
| Place of Origin | China,Henan | ||
| High Light | casing centralizer spring ，Casing Rigid Centralizer Spring Centralizer | ||
1. Introduction of casing centralizer
The casing centralizers are used to protect sucker rod to reduce wearing.
2. Material
2.1. Super strength spring steel
2.2. ASTM A395 ductile iron ,or equivalent international series number.
2.3. Polyester centralizer
2.4. Aluminum alloy
3. Structure
3.1. One or double bow without welding
3.2. Rigid type
3.3. Roller type
4. Specification
4″×5-7/8″, 4-1/2″×6-1/8″, 5″×61/2″, 5-1/2″×8-1/2″, 7″×8-1/2″, 7-5/8″×9-1/2″ , 8-5/8″×10-5/8″, 9-5/8″×12-1/4″, 10-3/4″×14-3/4″, 13-3/8″×17-1/2″, 16″×20″, 20″×26″
| Technical Parameter | ||||||
| Spring Casing Centralizer | Size(In) | OD(mm) | IN(mm) | Height(mm) | Max Start-up Force(N) | Min Reset Force(N) |
| 20" | 680 | 512 | 575 | ≤16725 | ≥8363 | |
| 13-3/8" | 455 | 342 | 560 | ≤10853 | ≥5427 | |
| 9-5/8"*12-1/4" | 335 | 248 | 560 | ≤7117 | ≥7117 | |
| 7" | 235 | 181 | 560 | ≤4626 | ≥4626 | |
| 6-5/8"*8-3/4" | 238 | 171 | 560 | ≤4270 | ≥4270 | |
| 5-1/2”*8-1/2” | 235 | 142 | 560 | ≤2758 | ≥2758 | |
| Rigid Centralizer | 13-3/8" | 437 | 344 | 180 |
| 9-5/8"*12-1/4" | 305 | 248 | 120 | |
| 7" | 210 | 182 | 120 | |
| 6-5/8"*8-3/4" | 215 | 171 | 120 | |
| 5-1/2"*8-1/2" | 210 | 142 | 120 |
| Semi-rigid Centralizer | Single Bow Spring Centralizer | Double-bow Spring Centralizer |
| | |
| Integral Centralizer | Rigid Centralizer | Rigid Roller Centralizer |
| | |
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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