China Directly Yt28 Pneumatic Air Pusher Jack Leg Rock Drill, Find details about China Coal Mining Rock Drill, Air Power Rock Drill from Directly Yt28 Pneumatic Air Pusher Jack Leg Rock Drill
Model No | 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 |
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