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It uses high strength wear proof material（Si3N4）as liner to raise abrasive resistance to large degree
| Type |
Up sand blast |
Middle sand blast |
Down sand blast |
|
Max OD（mm） | Φ92-Φ100 | Φ92-Φ100 | Φ92-Φ100 |
|
Min bore size（mm） | Φ42 | Φ36 | Φ30 |
|
Sliding Sleeve Clipping Pressure difference MPa | 14～17 | ||
|
Two end Connection threads | 27/8TBG 27/8UPTBG
|
oil well Sand Blast
