Puyang Zhongshi Group Co., Ltd.
Puyang Zhongshi Group Co., Ltd.
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High Tensile Solid Rigid Straight Vane Roller Centralizers
Straight Vane Roller Centralizers consists of a rigid body, on which machined five spiral blades. There are three or four modified alloy steel, fully heat treated rollers fixed on every spiral blades. It provides the mechanism that centers the casing in the hole and allows uniform cement flow around the casing to help protect it at all points
Remove the wellbore stone and make the mud flow easily
Provides high wear resistance and has long life for centralizer
Processed by casting, the rollers is alloy steel and then heat treatment.
Apply in horizontal or deviated well to centre casing
Remove the wellbore stone and make the mud flow easily
Different sizes are available
| Model | ID(mm) | Max OD(mm) | Length(mm) |
| 4-1/2" x 6" | 116.5 | 145 | 200 |
| 5" x 6" | 129 | 145 | 200 |
| 5-1/2" x 8-1/2" | 142 | 205-210 | 200/300 |
| 6-5/8" x 8-1/2" | 171 | 205-210 | 200/300 |
| 7" x 8-1/2" | 181 | 205-210 | 200/300 |
| 7" x 9-1/2" | 181 | 225-235 | 200/300 |
| 7" x 9-5/8" | 181 | 225-235 | 200/300 |
| 9-5/8" x 12-1/4" | 248 | 300-305 | 200 |
| 13-3/8" x 17-1/2" | 346 | 430-435 | 200 |
