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CHD 
C 
E 
HD
As a necessary tool for well drilling and well repairing, the pneumatic spiders type C/CHD/E/F are widely applied for holding drill pipe, tubing, casing, and some others. This range of product can be provided in certain models. Based on the rated load, the item can be classified into type C, type CHD, type E and type F. Since this pneumatic spider is designed and manufactured according to API Spec 7K standard, the chuck is quite safe and reliable during operation.
Technical Parameters
| Model | Pipe Dia. | Size of Slip Body | Rated Capacity (Short tons)(t) |
| 1.315-31/2 | 31/2 | 80 | |
| 31/2-41/2 | 41/2 | ||
| 43/4 | 43/4 (Integrated type) | ||
| 5 | 5 (Integrated type) | ||
| 51/2 | 51/2 (Integrated type) | ||
| 1.315-31/2 | 31/2 | 125 | |
| 31/2-41/2 | 41/2 | ||
| 43/4 | 43/4 (Integrated type) | ||
| 5 | 5 (Integrated type) | ||
| 51/2 | 51/2 (Integrated type) | ||
| 23/8-31/2 | 31/2 | 175 | |
| 4-51/2 | 51/2 | ||
| 51/2-7 | 7 | ||
| 75/8 | 75/8 (Integrated type) | ||
| 23/8-31/2 | 31/2 | 200 | |
| 4-51/2 | 51/2 | ||
| 65/8 -75/8 | 75/8 | ||
| 85/8 | 85/8 (Integrated type) |
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