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Type C, CHD and e pneumatic spider
Related introduction
Pneumatic spider is mainly used to hold tubing, drill pipe, casing, etc. in oil field drilling and workover operations. The special-section valve design allows the electric submersible pump cable to pass through the tubing string at the same time. Products are designed and manufactured according to API Spec 7K specifications.
| Model | Hold pipe diameter(in) | Slip body specification | Maximum load |
| C | 1.315-3.1/2 | 3.1/2 | 80us tons |
| 3.1/2-4.1/2 | 4.1/2 | ||
| 4.3/4 | 4.3/4（Toothless plate） | ||
| 5 | 5（Toothless plate） | ||
| 5.1/2 | 5.1/2（Toothless plate） | ||
| CHD | 1.35-3.1/2 | 3.1/2 | 120us tons |
| 3.1/2-4.1/2 | 4.1/2 | ||
| 4.3/4 | 4.3/4（Toothless plate） | ||
| 5 | 5（Toothless plate） | ||
| 5.1/2 | 5.1/2（Toothless plate） | ||
| HD | 1.35-3.1/2 | 3.1/2 | 125us tons |
| 3.1/2-4.1/2 | 4.1/2 | ||
| 4.3/4 | 4.3/4（Toothless plate） | ||
| 5 | 5（Toothless plate） | ||
| 5.1/2 | 5.1/2（Toothless plate） | ||
| E | 2.3/8-3.1/2 | 3.1/2 | 175us tons |
| 4-5.1/2 | 5.1/2 | ||
| 5.1/2-7 | 7 | ||
| 7.5/8 | 7.5/8（Toothless plate） |
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