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Download the Data sheet as PDF-file:

Basic information - W70 (3")

Hole size Ø 82 / 89 mm (3.2 / 3.5")
Water consumption
80 - 270 l/min (20 - 70 USgpm)
Max operating pressure
180 bar (2 610 psi)



 

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.

Technical specification

W70 Hammer

Length A

1 171 mm (46")

Length B

1 098 mm (43")

Diameter C

Ø 78 / 85 mm (3.1 / 3.3")

Size D

60 mm (2.4")

Weight

23 kg (50.7 lbs)

Bit diameter

Ø 82 / 89 mm (3.2 / 3.5")

Operating pressure interval

60 - 180 bar (870 - 2 610 psi)

Water consumption interval

80 - 270 l/min (35 - 70 USgpm) new to worn

Frequency at maximum operating pressure

70 Hz (4 200 blows/min)

Feed force, formation dependant

7 000 - 10 000 N (1 575 - 2 250 lbf)

Rotation speed, formation dependant

80 - 120 rpm

Rotation torque, formation dependant

800 - 1 500 Nm (590 - 1 100 lbf-ft)

Drill rod

Wassara Drill rod Ø 63.5 mm (2.5"), Thread WT70

Recommended water pump

WASP100D / WASP100E VSD, 360 l/min (95 USgpm) @ 200 bar (2 900 psi)

Bit shank

W-Bit 70



 




 

 

W70 Hammer sizes

Hammer diameter Part no.
Ø 78 mm 1002810-78
Ø 85 mm 1002810-85



 

W70 Parts list

Pos Detail Spare part kit Part no.
1 Drill bit Ø 82 mm Convex SB
Drill bit Ø 89 mm Speed SB
 

3000196
3000125

2 Chuck   1500004
3 Bit retainer   1002876
4 Seal kit 1, 2 1002081
5 Hammer case Ø 78 mm
Hammer case Ø 85 mm
 

1500203-78
1500203-85

6 Piston bushing 1, 2 1000218
7 Inner tube   1000225
8 Piston 1, 2 1000215
9 House retainer 2 1001619
10 Sliding case 2 1001645
11 Valve house 2 1001620
12 Valve 2 1001563
13 Sleeve   1001410
14 Lid 2 1001274
15 Filter 1, 2 1001138
16 Filter support   1000227
17 Backhead WT70 Pin   1001439
       
  Spare part kit 1   1002272
  Spare part kit 2   1002763