Puyang Zhongshi Group Co., Ltd.
Puyang Zhongshi Group Co., Ltd.
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Single Vane Welded Bow Spring Centralizer
Made of 65Mn steel which is better tensile strength than general steel,but it is not up API standard,so we need process them by heat treatment in the high temperature and then annealing treatment in the cool water with special chemical material .What we do is to ensure the bow higher restoring force.This kinds of heat treated bow provides good centralization in the well when in fast running casing.
| Height | Size (in) | ID(mm) | OD |
| (mm) | (mm) | ||
| 250 | 13-3/8”*17-1/2” | 342-347 | 440 |
| 250 | 9-5/8”*12-1/4” | 250-255 | 311 |
| 130 | 7”*8-1/2” | 181-186 | 210 |
| 200 | 7”*9-5/8” | 181-186 | 240 |
| 200 | 7-5/8”*9-5/8” | 197-201 | 240 |
| 130 | 6”*8-1/2” | 156-158 | 210 |
| 130 | 5-1/2”*7” | 142-148 | 174 |
| 130 | 5-1/2”*8-1/2” | 142-148 | 210 |
