Enquiries
Inquiry Email
| Specification/mm | Outside diameter/mm | length/mm |
|---|---|---|
| φ73 | 73 | 270 |
| φ89 | 95 | 300 |
The motor check valve is positioned between the drill bit and the screw motor to prevent reverse flow of drilling fluid into the inner hole of the screw motor from the drill end, effectively safeguarding the screw motor.
| Specification/mm | Outside diameter/mm | length/mm |
|---|---|---|
| φ73 | 73 | 270 |
| φ89 | 95 | 300 |