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.
W100 Hammer
Download the Data sheet as PDF-file:
Basic information - W100 (4")
| Hole size | Ø 115 / 120 / 127 mm (4.5 / 4.7 / 5.0") |
| Water consumption |
130 - 354 l/min (35 - 94 USgpm) |
| Max operating pressure |
180 bar (2 610 psi) |
Technical specification
W100 Hammer
| 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 |
W100 Hammer sizes
| Hammer diameter | Part no. |
| Ø 111 mm | 1003490-111 |
Other dimensions available on request. Please contact your local distributor for further information. See under ‘Contct us’.
W100 Parts list
| Pos | Detail | Spare part kit | Part no. |
| 1 |
Drill bit Ø 115 mm, Speed SB |
3000021 |
|
| 2 | Chuck | 1000803 | |
| 3 | Bit retainer | 1002879 | |
| 4 | Seal kit | 1, 2 | 1003493 |
| 5 |
Hammer case Ø 111 mm |
1500787-111 |
|
| 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 |