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| Brand Name : | Puyang Zhongshi Group |
| Model Number : | 4 1/2"~20" |
| Certification : | API,ISO,QHSE |
| Price : | Negotiable |
| Payment Terms : | T/T, MoneyGram |
| Delivery Time : | depends on quantity |
7" API Oilfield Zinc Alloy Casing Centralizer
Spiral Solid Centralizers were developed in response to the need for better cementing in deviated and horizontal wells. The unique design ensures optimal flow area and is strong and resistant to impact, These Centralizers are also able to withstand high well bore temperature while providing maximum horizontal standoff.
| Specification | In-Dia(mm) | Wall Thickness(mm) | Height (mm) | Total height(mm) | Largest Dia (mm) | Spring Number |
| 5-1/2”*8-1/2” | 142-148 | 3~5 | 55 | 650 | 225 | 5 |
| 7”*9-5/8” | 181-186 | 3~5 | 55 | 650 | 255 | 6 |
| 7”*8-1/2” | 181-186 | 3~5 | 55 | 650 | 235 | 6 |
| 8-5/8”*12-1/4” | 223-228 | 3~5 | 55 | 650 | 330 | 8 |
| 9-5/8”*12-1/4” | 250-255 | 3~5 | 55 | 650 | 330 | 8 |
| 10-3/4”*12-1/4” | 274-276 | 3~5 | 55 | 650 | 330 | 9 |
| 13-3/8”*17-1/2” | 342-347 | 3~5 | 55 | 650 | 450 | 11 |
| 18-5/8”*24 | 476 | 3~5 | 55 | 600 | 610 | 12 |
| 20”*26 | 510 | 3~5 | 55 | 600 | 660 | 12 |

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