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Item | HY18 | YO018 | Y19A | Y020 | YT24 |
Rock Hardness | F=6-20 | F=6-20 | F=6-20 | F=6-20 | F=6-20 |
Piston Stroke | 50mm | 50mm | 54mm | 52mm | 64mm |
Cylinder | 58mm | 58mm | 65mm | 64mm | 70mm |
Working pressure | 0.4Mpa | 0.4Mpa | 0.4-0.5Mpa | 0.4Mpa | 0.5Mpa |
Air | 1.4m³/Min | 1.4m³/Min | 2.2m³/Min | 1.7m³/Min | 2.6m³/Min |
Drilling pipe size | B22*108mm | B22*108mm | B22*108mm | B22*108mm | B22*108mm |
Weight | 18KGS | 21KGS | 19KGS | 21KGS | 27KGS |
Package size | 590*280*18 | 590*280*18 | 600*534*10 | 290*280*18 | 740*310*22 |
Optional of air leg | FT-100 | FT-100 | FT-100 | FT-100 | FT-140 |