Model | YT24 | YT26 | YT27 | YT28 | YT29A |
Weight (kg) | 24 | 26 | 27 | 28 | 27 |
Length(mm) | 678 | 690 | 668 | 661 | 659 |
Cylinder Dia*Stroke(mm) | 70*70 | 95X60 | 80*60 | 80*60 | 82*60 |
Working Pressure(Mpa) | 0.4-0.63 | ||||
Impact energy(J) | ≥65 | ≥64 | ≥75.5 | ≥70 | ≥78 |
Impact frequency(Hz) | ≥31 | ≥36.5 | ≥36.7 | ≥37 | ≥37 |
Air consumption (L/S) | ≤67 | ≤55 | ≤83.3 | ≤81 | ≤88 |
Hose size(mm) | 25 | 25 | 25 | 25 | 25 |
Rork drill hose diameter(mm) | 34-42 | 34-42 | 34-42 | 34-42 | 34-42 |
Rock drill hose depth(m) | 5 | 5 | 5 | 5 | 5 |
Shank size(mm) | 22x108 | 22x108 | 22x108 | 22x108 | 22x108 |