Air-leg Rock Drill Model 7655 & YT27

YT27

The Air-leg Rock Drills Model 7655 & YT27 are widely used for rock drilling operations in mine, railway, water irregation works and national defence projects.

Model 7655 YT27
 Weight  24kg 26kg
 Outer dimensions(L*B*H) mm 628x232x207 668x248x202
 Air hose ID   25mm 25mm
 Water hose ID.   13mm 13mm
 Shank dimensions   B22*108mm B22*108mm
 Matching air-leg FT160A, FT160B FT160A, FT160B
 Matching line oiler FY200A FY250
          When working air pressure is 0.49MPa.
 Blow energy   58.8J 63.7J
 Blow frequency 35Hz 36.6Hz
 Air consumption 53.3L/s 55L/s

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