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.
W80 Hammer
Download the Data sheet as PDF-file:
Basic information - W80 (3.5")
| Hole size | Ø 95 / 102 mm (3.7 / 4.0") |
| Water consumption |
70 - 270 l/min (18 - 70 USgpm) |
| Max operating pressure |
180 bar (2 610 psi) |
Technical specification
W80 Hammer
| Length A |
1 049 mm (41.3") |
|
Length B |
977 mm (38.5") |
|
Diameter C |
Ø 91 / 98 mm (3.6 / 3.9") |
|
Size D |
Ø 64 mm (2.5") |
|
Weight |
32 kg (70.5 lbs) |
|
Bit diameter |
Ø 95 / 102 mm (3.7 / 4.0") |
|
Operating pressure interval |
60 - 180 bar (870 - 2 610 psi) |
| Water consumption interval | 70 - 270 l/min (18 - 70 USgpm) new to worn |
|
Frequency at maximum operating pressure |
60 Hz (3 600 blows/min) |
| Feed force, formation dependant | 7 000 - 10 000 N (1 570 - 2 250 lbf) |
|
Rotation speed, formation dependant |
60 - 100 rpm |
|
Rotation torque, formation dependant |
800 - 1 500 Nm (590 - 1 100 lbf-ft) |
|
Drill rod |
Wassara Drill rod Ø 76 mm (3"), 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 3.5 |
W80 Hammer sizes
| Hammer diameter | Part no. |
| Ø 91 mm | 1002065-91 |
Other dimensions available on request. Please contact your local distributor for further information. See under ‘Contct us’.
W80 Parts list
| Pos | Detail | Spare part kit | Part no. |
| 1 | Drill bit Ø 95 mm Speed SB Drill bit Ø 102 mm Speed SB |
3000011 |
|
| 2 | Chuck | 1000737 | |
| 3 | Bit retainer | 1002877 | |
| 4 | Seal kit | 1, 2 | 1002077 |
| 5 | Guide sleeve |
1000061 |
|
| 6 | Hammer case Ø 91 mm |
1001136-91 |
|
| 7 | Piston bushing | 1, 2 | 1000063 |
| 8 | Inner tube | 1001125 | |
| 9 | Piston | 1, 2 | 1001124 |
|
10 |
Sliding case | 1000259 | |
| 11 | Valve house | 2 | 1001123 |
| 12 | Valve | 2 | 1001078 |
| 13 | Sleeve | 1000265 | |
| 14 | Lid | 1000070 | |
| 15 | Filter | 1, 2 | 1001386 |
| 16 | Filter support | 2000004 | |
| 17 | Backhead API 2 3/8" Reg Pin | 1000281 | |
| Spare part kit 1 | 1002217 | ||
| Spare part kit 2 | 1002218 |