W120.G3 is the new and improved 5" hammer. It is more powerful and is designed to provide a higher ROP compared to the standard W120 due to a heavier piston, especially in softer formations. Together with the integrated check valve this becomes a very good hammer.
Ø 130 mm
240 – 500 l/min
180 bar
| Length A | 1 590 mm (62.6″) |
| Length B | 1 495 mm (59″) |
| Diameter C | Ø 126 mm (5″) |
| Size D | 90 mm (3.5″) |
| Weight | 108 kg (237 lbs) |
| Bit diameter | Ø 130 mm (5″) |
| Operating pressure interval | 60 – 180 bar (870 – 2 610 psi) |
| Water consumption interval | 240 – 500 l/min (63 – 132 USgpm) new to worn |
| Frequency at maximum operating pressure | 54 Hz (3 240 blows/min) |
| Feed force, formation dependant | 12 000 – 24 000 N (2 700 – 5 400 lbf) |
| Rotation speed, formation dependant | 45 – 75 rpm |
| Rotation torque, formation dependant | 1 500 – 3 000 Nm (1 100 – 2 210 lbf-ft) |
| Drill rod | Wassara Drill rod Ø 102 mm (4″), Thread API 3½” Reg |
| Recommended water pump | WASP200D / WASP200E VSD, 610 l/min (160 USgpm) @ 200 bar (2 900 psi) |
| Bit shank | Wassara 350 |
| Hammer diameter | Part no. |
|---|---|
| Ø 126 mm | 1501600-126 |
| Ø 136 mm | 1501600-136 |
| Ø 148 mm | 1501600-148 |
| Pos | Detail | Spare part kit | Part no. |
|---|---|---|---|
| 1 | Drill bit Ø 130 mm, Convex SB | 3000013 | |
| 2 | Chuck | 1000547 | |
| 3 | Bit retainer | 1000548 | |
| 4 | Seal kit | 1, 2 | 1003419 |
| 5 | Guide sleeve | 1000549 | |
| 6 | Hammer case Ø 126 mm | 1001057-126 | |
| 7 | Piston bushing | 1, 2 | 1001059 |
| 8 | Inner tube | 1001061 | |
| 9 | Piston | 1, 2 | 1000924 |
| 10 | House retainer | 1501595 | |
| 11 | Sliding case | 1, 2 | 1501601 |
| 12 | Valve house | 1501602 | |
| 13 | Valve | 2 | 1000929 |
| 14 | Sleeve | 1501629 | |
| 15 | Lid | 1000932 | |
| 16 | Check valve shutter guide | 1501636 | |
| 17 | Check valve spring | 1002139 | |
| 18 | Check valve shutter | 1501341 | |
| 19 | Filter | 2 | 1501637 |
| 20 | Filter support | 1501327 | |
| 21 | Backhead API 3½” Reg pin | 1501613 | |
| Spare part kit 1 | 1003420 | ||
| Spare part kit 2 | 1003421 |
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