Puyang Zhongshi Group Co., Ltd.
Puyang Zhongshi Group Co., Ltd.
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API Puyang Zhongshi Stamped Spiral Bow Spring Centralizer Well Cementing Centralizer With Stop Collar
This solid rigid centralizer consists of a single piece of steel construction that provides a support surface for low torque and drag
Stamped Spiral Rigid Casing Centralizer
These solid rigid centralizers undergo a special coating to provent from rust.
| Specification | casing size (mm) | Hole Size (mm) | Inner Diameter (mm) | Outer Diameter (mm) |
| 4-1/2"×6" | 114 | 152 | 118 | 146 |
| 5-1/2"×8-1/2" | 140 | 216 | 142 | 210 |
| 7″×8-1/2″ | 178 | 216 | 182 | 210 |
| 9-5/8″×12-1/4″ | 244 | 311 | 249 | 305 |
