Puyang Zhongshi Group Co., Ltd.
| Payment Terms | T/T, MoneyGram |
| Delivery Time | depends on quantity |
| Packaging Details | Wooden Box |
| Type | Hinged Non-welded |
| Size | 4 1/2~20" |
| Installation | Slip-on Type |
| Crest | Single Crest |
| Vane | 4-8 |
| Roller | 6~8 or depends |
| Brand Name | Puyang Zhongshi Group |
| Model Number | 4 1/2"~20" |
| Certification | API,ISO,QHSE |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, MoneyGram | Delivery Time | depends on quantity |
| Packaging Details | Wooden Box | Type | Hinged Non-welded |
| Size | 4 1/2~20" | Installation | Slip-on Type |
| Crest | Single Crest | Vane | 4-8 |
| Roller | 6~8 or depends | Brand Name | Puyang Zhongshi Group |
| Model Number | 4 1/2"~20" | Certification | API,ISO,QHSE |
| Place of Origin | China | ||
| High Light | API Rigid Centralizer ，5"×6 5/8" Rigid Centralizer ，5"×6 5/8" roller centralizer | ||
Rigid Roller Casing Centralizer
Rigid Roller Casing Centralizerare designed in rigid body with straight or spiral blades. Rollers provide low drag to get casing, liners, or screens to bottom successfully with reduced rig time and costs.Minimal roller-contact area in open hole applications reduces the risk of differential sticking and provides optimal standoff for increased operational efficiency.
| Specification | casing size (mm) | Hole Size (mm) | Inner Diameter (mm) | Outer Diameter (mm) |
| 4-1/2″×6″ | 114 | 152 | 118 | 146 |
| 5"×6 5/8" | 127 | 168 | 131 | 162 |
| 5-1/2″×8-1/2″ | 140 | 216 | 142 | 210 |
| 7″×8 1/2″ | 178 | 216 | 182 | 210 |
| 7"× 9-1/2" | 178 | 241 | 182 | 235 |
| 9-5/8″×12-1/4″ | 244 | 311 | 248 | 305 |
| 13-3/8″×17-1/2" | 340 | 445 | 344 | 439 |
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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