Puyang Zhongshi Group Co., Ltd.
Puyang Zhongshi Group Co., Ltd.
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Single Crest Bow Spring Centralizer / Drill Pipe Centralizer Hinged Type
Hinged Non-welded Casing Centralizer is a simple, low-cost bow-spring design which can provide complete centralization in vertical or slightly deviated wells as the bow springs are slightly larger than the wellbore.
| NO. | Size (in) | Height (mm) | ID(mm) | OD(mm) |
| 1 | 5-1/2”*7” | 305 | 142-148 | 215 |
| 2 | 5-1/2”*8-1/2” | 305 | 142-148 | 225 |
| 3 | 6”*8-1/2” | 305 | 156-158 | 235 |
| 4 | 7”*8-1/2” | 400 | 181-186 | 235 |
| 5 | 7”*9-5/8” | 400 | 181-186 | 255 |
| 6 | 7-5/8”*9-5/8” | 400 | 197-201 | 275 |
| 7 | 9-5/8”*12-1/4” | 650 | 250-255 | 330 |
| 8 | 13-3/8”*17-1/2” | 650 | 342-347 | 450 |
