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Model | YT27 | YT28 | YT29A |
Weight | 27KG | 26KG | 27KG |
Length | 668*248*202MM | 661MM | 659*248*205MM |
Cylinder diameter | 80MM | 80MM | 82MM |
Piston Stroke | 60MM | 60MM | 60MM |
Working Pressure | 0.5-0.63Mpa | 0.4-0.63Mpa | 0.40-0.63Mpa |
Impact Frequency | ≥36.7(0.63Mpa)HZ | ≥36(0.63Mpa)HZ | ≥39(0.63Mpa)HZ |
Air Consumption | ≤83.3(0.63Mpa)L/S | ≤82(0.63Mpa)L/S | ≤88(0.63Mpa)L/S |
Rock drill hole diameter | 34-45MM | 34-45MM | 34-45MM |
Drilling Depth | 5M | 5M | 5M |
Working temperature | -30~45℃ | -30~45℃ | -30~45℃ |
Shank Size | H22*108MM | H22*108MM | H22*108MM |




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