The Wassara technology uses water to power the DTH hammer. This makes it the ideal choice for drilling in sensitive areas as well as for drilling long straight holes. The water-powered hammer is capable of penetrating almost any formation while maintaining speed and accuracy.
W50 Hammer
Download the Data sheet as PDF-file:
Basic information - W50 (2")
| Hole size | Ø 60 / 64 mm (2.4 / 2.5") |
| Water consumption |
45 - 150 l/min (12 - 40 USgpm) |
| Max operating pressure |
170 bar (2 465 psi) |
Technical specifications
W50 Hammer
| Length A | 950 mm (37.4") |
| Length B | 897 mm (35.3") |
| Diameter C | Ø 56 / 60 mm (2.2 / 2.4") |
| Size D | 36 mm (1.4") |
| Weight | 13.5 kg (29.8 lbs) |
| Bit diameter | Ø 60 / 64 mm (2.4 / 2.5") |
| Operating pressure interval | 50 - 170 bar (725 - 2 465 psi) |
| Water consumption interval | 45 - 150 l/min (12 - 40 USgpm) new to worn |
| Frequency at maximum operating pressure | 75 Hz (4 500 blows/min) |
| Feed force, formation dependant | 3 000 - 6 000 N (675 - 1 350 lbf) |
| Rotation speed, formation dependant | 100 - 200 rpm |
| Rotation torque, formation dependant | 200 - 300 Nm (150 - 220 lbf-ft) |
| Drill rod | Wassara Drill rod Ø 48 mm (1.9"), Thread NC 13 |
| Recommended water pump | WASP100D / WASP100E VSD, 360 l/min (95 USgpm) @ 200 bar (2 900 psi) |
| Bit shank | Wassara 2 |
W50 Hammer sizes
| Hammer diameter | Part no. |
| Ø 56 mm | 1000680-56 |
| Ø 60 mm | 1000680-60 |
W50 Parts list
| Pos | Detail | Spare part kit | Part no. |
| 1 | Drill bit Ø 60 mm Drill bit Ø 64 mm |
3000015 |
|
| 2 | Chuck | 1000819 | |
| 3 | Bit retainer | 1002875 | |
| 4 | Seal kit | 1, 2 | 1002076 |
| 5 | Guide sleeve | 1000304 | |
| 6 | Hammer case Ø 56 mm Hammer case Ø 60 mm |
1000678-56 1000678-60 |
|
| 7 | Piston bushing | 1, 2 | 1001221 |
| 8 | Inner tube | 1000679 | |
| 9 | Piston | 1, 2 | 1000681 |
| 10 | House retainer | 2 | 1000311 |
| 11 | Sliding case | 2 | 1500240 |
| 12 | Valve house | 2 | 1000315 |
| 13 | Valve | 2 | 1000317 |
| 14 | Sleeve | 1000496 | |
| 15 | Lid | 2 | 1000318 |
| 16 | Filter | 1, 2 | 1500288 |
| 17 | Filter support | 1000319 | |
| 18 | Backhead NC13 | 1000321 | |
| Spare part kit 1 | 1002215 | ||
| Spare part kit 2 | 1002216 |