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.
W200 Hammer
Download the Data sheet as PDF-file:
Basic information - W200 (8")
| Hole size | Ø 216 / 254 mm (8.5 / 10") |
| Water consumption |
280 - 744 l/min (70 - 197 USgpm) |
| Max operating pressure |
150 bar (2 175 psi) |
Technical specification
W200 Hammer
| Length A |
2 188 mm (86.1") |
|
Length B |
2 073 mm (81.6") |
|
Diameter C |
Ø 210 / 248 mm (8.3 / 9.8") |
|
Size D |
160 mm (6.3") |
|
Weight |
347 kg (765 lbs) / 385 kg (849 lbs) |
|
Bit diameter |
Ø 216 / 254 mm (8.5 / 10") |
|
Operating pressure interval |
50 - 150 bar (725 - 2 175 psi) |
|
Water consumption interval |
280 - 744 l/min (70 - 197 USgpm) new to worn |
|
Frequency at maximum operating pressure |
30 Hz (1 800 blows/min) |
|
Feed force, formation dependant |
30 000 N (6 750 lbf) |
|
Rotation speed, formation dependant |
25 - 50 rpm |
|
Rotation torque, formation dependant |
3 000 - 5 000 Nm (2 200 - 3 660 lbf-ft) |
|
Drill rod |
Wassara Drill rod Ø 168 / 194 mm (6.6 / 7.6"), Thread API 4½'' IF |
|
Recommended water pump |
WASP200D / WASP200E VSD, 800 l/min (211 USgpm) @ 160 bar (2 320 psi) |
|
Bit shank |
Wassara 380 |
W200 Hammer sizes
| Hammer diameter | Part no. |
| Ø 210 mm | 1501396-210 |
| Ø 248 mm | 1501396-248 |
W200 Parts list
| Pos | Detail | Spare part kit | Part no. |
| 1 | Drill bit Ø 216 mm, Convex SB Drill bit Ø 254 mm, Convex SB |
3000079 |
|
| 2 | Chuck | 1003503 | |
| 3 | Thrust waser | 1500711 | |
| 4 | Bit retainer | 1002882 | |
| 5 | Seal kit | 1, 2 | 1003154 |
| 6 | Hammer case Ø 210 mm Hammer case Ø 248 mm |
1500833-210 |
|
| 7 | Piston bushing | 1, 2 | 1501379 |
|
8 |
Inner tube | 1500101 | |
| 9 | Piston | 1, 2 | 1501380 |
|
10 |
Sliding case | 1000570 | |
| 11 | Valve house | 2 | 0013019 |
| 12 | Valve | 2 | 0023020 |
| 13 | Sleeve | 0043023 | |
| 14 | Guided lid | 1500159 | |
| 15 | Filter | 1, 2 | 1001658 |
| 16 | Filter support | 1001391 | |
| 17 | Backhead API 4½" IF | 1500223 | |
| Spare part kit 1 | 1003155 | ||
| Spare part kit 2 | 1003156 |