| PRODUCT SPECIFICATIONS |
|
|
Seal Type |
Composite Sealed
|
| Bearing |
Roller+Sliding bearing |
Nozzle
|
3 side |
| Insert type | Spherical +Double Spherical |
|
Total Tooth Rows/Total Tooth |
17/239 |
| Outer Rows /Outer Rows Tooth | 3/59 |
Bit Connection
|
6 5/8"Reg API |
| OPERATING PARAMETERS |
|
| Air Pressure(MPa) | 0.2~0.4MPa |
| Rotary speed(RPM) | 60-90 rpm |
| WOB (KN) | 222-389KN |