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Download the Data sheet as PDF-file:

Basic information - W50 (2")

Hole size Ø 60 / 64 mm (2.4 / 2.5")
Water consumption
45 - 150 l/min (12 - 40 USgpm)
Max operating pressure
170 bar (2 465 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 specifications

W50 Hammer

Length A 950 mm (37.4")
Length B 897 mm (35.3")
Diameter C Ø 56 / 60 mm (2.2 / 2.4")
Size D 36 mm (1.4") 
Weight 13.5 kg (29.8 lbs) 
Bit diameter Ø 60 / 64 mm (2.4 / 2.5") 
Operating pressure interval 50 - 170 bar (725 - 2 465 psi) 
Water consumption interval 45 - 150 l/min (12 - 40 USgpm) new to worn 
Frequency at maximum operating pressure 75 Hz (4 500 blows/min) 
Feed force, formation dependant 3 000 - 6 000 N (675 - 1 350 lbf) 
Rotation speed, formation dependant 100 - 200 rpm 
Rotation torque, formation dependant 200 - 300 Nm (150 - 220 lbf-ft) 
Drill rod Wassara Drill rod Ø 48 mm (1.9"), Thread NC 13
Recommended water pump WASP100D / WASP100E VSD,
360 l/min (95 USgpm) @ 200 bar (2 900 psi) 
Bit shank Wassara 2

 

 

 

W50 Hammer sizes

Hammer diameter Part no.
Ø 56 mm 1000680-56
Ø 60 mm 1000680-60

W50 Parts list

Pos Detail Spare part kit Part no.
1 Drill bit Ø 60 mm
Drill bit Ø 64 mm
 

3000015
3000017

2 Chuck   1000819
3 Bit retainer   1002875 
4 Seal kit 1, 2 1002076
5 Guide sleeve   1000304
6 Hammer case Ø 56 mm
Hammer case Ø 60 mm
  1000678-56
1000678-60
7 Piston bushing 1, 2 1001221
8 Inner tube   1000679
9 Piston 1, 2 1000681
10 House retainer 2 1000311
11 Sliding case 2 1500240
12 Valve house 2 1000315
13 Valve 2 1000317
14 Sleeve   1000496
15 Lid 2 1000318
16 Filter 1, 2 1500288
17 Filter support   1000319
18 Backhead NC13   1000321
       
  Spare part kit 1   1002993
  Spare part kit 2   1002994