DOUBLE HEAD
DH26
The DH26 is a double-head system: two gearboxes head the casing and the inner rod independently. This size is designed for high torques and large drilling diameters.
DH26
Very Compact and light
OVERVIEW
| WEIGHT | 710 – 830 kg |
| TRACTION | 220 kN |
| TORQUE | up to 26 kNm |
| ROTATION | up to 235 min⁻¹ |
| PERCUSSION FREQUENCY | up to 2800 min⁻¹ |
TECHNICAL SPECIFICATIONS
Gear box 1 / Casing · Rotary mechanism RH26
Option for rotation version only
Gear box 2 /Inner rod · Rotary mechanism RH13
Option for rotation version only
Option percussion unit
| Type | 4 |
|---|---|
| OPERATING PRESSURE · bar | 160 – 200 |
| OIL CAPACITY · l/min | 80 – 95 |
| SINGLE BLOW ENERGY · Nm | … 550 |
| NO. OF BLOWS · min⁻¹ | … 2800 |
Options
| Hydraulic and electric control |
| Mounting frame |
| Preventer system |
| Floating spindle |
| Percussion unit type 4 |
| Drilling accessories |
DIMENSIONAL DRAWING
IMPRESSIONS FROM THE FIELD
