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API drill pipe thread protectors
air operated thread protector/Quick-release pneumatic thread protector for casing /tubing
The Pneumatic Thread Protector is a composite Pneumatic Thread Protector. The high-quality Pneumatic Thread Protector for drilling equipment is installed at the end of the sleeve to protect the casing thread during drilling and workover operations to reduce consumption and reduce operations.
The product is composed of a pneumatic tube and a shell. The shell adopts a new process of polyurethane or steel die-casting, which has firm adhesion, beautiful outer body, good wear resistance and good corrosion resistance.
The oilfield casing quick-release protective wire produced by our factory is reasonably priced and the product quality is guaranteed.
* 360° grip with stronger , the outside no change,only the inside inflates to provide a better grip on the pin.
* Maintenance- free, as there are no moving parts.
* The bottom of each protector contains a rugged buffer.
* Suitable for all thread types with flexibility in operation
* Available for different duty condition. such as: mild and climate, tropical , or for other customer specific demands.
* Easy installation and release by air
| Serial number | Specification | Working pressure (After inserting the pipe) |
inflation time (S) | Venting time (S) |
| 1 | 4-1/2 ~ 5" | 0.5-1Mpa 75~150psi |
2 | 2~3 |
| 2 | 5-1/2" | 2~3 | 3~4 | |
| 3 | 7" | 3~4 | 4~5 | |
| 4 | 9-5/8" | 5 | 6~7 | |
| 5 | 13-3/8" | 7~8 | 9~10 | |
| 6 | 18-3/8" | 8~9 | 10~11 | |
| 7 | 20" | 10 | 12~13 | |
| 8 | 24" | 12 | 15~16 | |
| 9 | 24-1/2" | 15 | 18~19 | |
| 10 | 26" | 18 | 22 |
| Standard Sizes | |||
| 2-3/8 | 6-5/8 | 11-7/8 | 18 5/8 |
| 2-7/8 | 7 | 12-7/8 | 20 |
| 3-1/2 | 7-5/8 | 13 7/8 | 22 |
| 4 | 8-5/8 | 14 | 24 |
| 4-1/2 | 9-5/8 | 16 | 24 1/2 |
| 5 | 9-7/8 to 10 | 16 3/4 | 26 |
| 5-1/2 | 10-3/4 | 17 | 30 |
| 6 | 11 3/4 | 18 | 32 |
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