Pneumatic Spider
Pneumatic spider is mainly used for clamping tubing, drill pipe, casing and other pipe strings in oilfield drilling and workover operation. The products are designed and manufactured in accordance with API Spec 7K.
Structure: Cavins style Model C CHD HD E & F . Spare Parts and Inserts can be fully compatible.


Pneumatic spider Type C, CHD, HD, E,F | ||||
Model | Pipe Size (inch) | Slip body size (inch) | Insert (inch) | Rated Capacity (short tons) |
Type C | 1.315-3.1/2 | 3.1/2 | 1.315, 1.66, 1.90, 2.06,2.3/8, 2.5, 2.7/8, 3.125, 3.1/2 | 80 |
3.1/2-4.1/2 | 4.1/2 | 3.1/2, 4, 4.1/2 | ||
4.3/4 | 4.3/4(integrated) | - | ||
5 | 5(integrated) | - | ||
5.1/2 | 5.1/2(integrated) | - | ||
Type CHD | 1.315-3.1/2 | 3.1/2 | 1.315, 1.66, 1.90, 2.06,2.3/8, 2.5, 2.7/8, 3.125, 3.1/2 | 120 |
3.1/2-4.1/2 | 4.1/2 | 3.1/2, 4, 4.1/2 | ||
4.3/4 | 4.3/4(integrated) | - | ||
5 | 5(integrated) | - | ||
5.1/2 | 5.1/2(integrated) | - | ||
Type HD | 1.315-3.1/2 | 3.1/2 | 1.315, 1.66, 1.90, 2.06,2.3/8, 2.5, 2.7/8, 3.125, 3.1/2 | 125 |
3.1/2-4.1/2 | 4.1/2 | 3.1/2, 4, 4.1/2 | ||
4.3/4 | 4.3/4(integrated) | - | ||
5 | 5(integrated) | - | ||
5.1/2 | 5.1/2(integrated) | - | ||
Type E | 2.3/8-3.1/2 | 3.1/2 | 2.3/8, 2.7/8, 3.1/2 | 175 |
4-5.1/2 | 5.1/2 | 4, 4.1/2, 5, 5.1/2 | ||
5.1/2-7 | 7 | 5.1/2, 6.5/8, 7 | ||
7.5/8 | 7.5/8(integrated) | - | ||
Type F | 2.3/8-3.1/2 | 3.1/2 | 2.3/8, 2.7/8, 3.1/2 | 200 |
4-5.1/2 | 5.1/2 | 4, 4.1/2, 5, 5.1/2 | ||
6.5/8-7.5/8 | 7.5/8 | 6.5/8, 7, 7.5/8 | ||
8.5/8 | 8.5/8(integrated) | - |