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WQ external pneumatic slips
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WQ type external pneumatic slip is designed and manufactured by our company according to API Spec 7K specification. It is suitable for tripping operation in drilling and workover operation in oil field. It can hold drill pipe, drill collar, casing and other pipe strings. It is mainly composed of slip lifting device, slip and pneumatic control assembly.
When in use, the locking pin assembly is connected with the pin-driven turntable core, and the pneumatic reversing valve is controlled to achieve the purpose of lifting and lowering the slip body, which greatly reduces labor intensity and improves work efficiency. Installation and removal is also very convenient. The locking pin can be two-pin eccentric shaft type and four-pin oblique wedge type or expansion shaft type.
According to the different configuration of the SD card tile, can meet the following load and buckle range.
| Sizes of slip body |
Pipe diameter range (in) |
Load kN(tons) |
| SDML |
31/2~51/2 |
1350(150) |
| SDXL |
31/2~7 |
2250(250) |
Key words: WQ external pneumatic slips
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