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.
Ø 115 / 120 / 127 mm
130 – 354 l/min
180 bar
| Length A | 1 306 mm (51.4″) |
| Length B | 1 230 mm (48.4″) |
| Diameter C | Ø 111 / 116 / 123 mm (4.4 / 4.6 / 4.8″) |
| Size D | 64 mm (2.5″) |
| Weight | 56.5 kg (124.6 lbs) |
| Bit diameter | Ø 115 / 120 / 127 mm (4.5 / 4.7 / 5.0″) |
| Operating pressure interval | 60 – 180 bar (870 – 2 610 psi) |
| Water consumption interval | 130 – 354 l/min (34 – 94 USgpm) new to worn |
| Frequency at maximum operating pressure | 65 Hz (3 900 blows/min) |
| Feed force, formation dependant | 8 000 – 20 000 N (1 800 – 4 500 lbf) |
| Rotation speed, formation dependant | 50 – 90 rpm |
| Rotation torque, formation dependant | 1 000 – 2 000 Nm (740 – 1 480 lbf-ft) |
| Drill rod | Wassara Drill rod Ø 89 mm (3½”), Thread API 2 3/8” Reg |
| Recommended water pump | WASP100D / WASP100E VSD, 360 l/min (95 USgpm) @ 200 bar (2 900 psi) |
| Bit shank | Wassara 340 |
| Hammer diameter | Part no. |
|---|---|
| Ø 111 mm | 1003490-111 |
| Ø 116 mm | 1003490-116* |
| Ø 123 mm | 1003490-123* |
| Pos | Detail | Spare part kit | Part no. |
|---|---|---|---|
| 1 | Drill bit Ø 115 mm, Speed SB Drill bit Ø 120 mm, Convex SB Drill bit Ø 127 mm, Convex SB | 3000021 3000029 3000031 | |
| 2 | Chuck | 1000803 | |
| 3 | Bit retainer | 1002879 | |
| 4 | Seal kit | 1, 2 | 1003493 |
| 5 | Hammer case Ø 111 mm Hammer case Ø 116 mm Hammer case Ø 123 mm | 1500787-111 1500787-116 1500787-123 | |
| 6 | Piston bushing | 1, 2 | 1501115 |
| 7 | Inner tube | 1000129 | |
| 8 | Piston | 1, 2 | 1501124 |
| 9 | Sliding case | 0043007 | |
| 10 | Valve house | 2 | 0013008 |
| 11 | Valve | 2 | 1000345 |
| 12 | Sleeve | 1000165 | |
| 13 | Lid | 1000999 | |
| 14 | Filter | 1, 2 | 0040613 |
| 15 | Filter support | 0030337 | |
| 16 | Backhead API 2 3/8″ Reg Pin | 1000292 | |
| Spare part kit 1 | 1003491 | ||
| Spare part kit 2 | 1003492 |
See our featured Case studies below to learn what real world projects our technology has been a part of.
