YT27 air leg pneumatic rock drill

YT27 air leg pneumatic rock drill used in drilling operation of mine tunneling,and it's widely used drilling tools in railways, water conservancy construction and national defense construction areas,and it can be matched with FY250 model oil injector and FT160A (OR FT160B, FT160C, FT170 ) model air leg,can do wet rock drilling for medium hard and high hard,level of rock drilling and tilt boreholes.Unloaded air leg also be used on trolley.

YT27 air leg pneumatic rock drill
Weight	27 Kg
External Dimensions(L W H)	668x248x202 mm
Working Air Pressure	0.4 ~ 0.63 MPa
Cylinder Diameter	80 mm
Piston Stroke	60 mm
Working Water Pressure	0.3 MPa
Working Temperature	-30 ~ 50 ℃
Air Pipe Inner Dameter	25 mm
Water Pipe Inner Dameter	13 mm
Drilling Hole Diameter	34 ~42 mm
Drilling Hole Depth	5 m
Shank Size	H22x108 mm
Acceptance Of Air Pressure	0.63MPa              0.5MPa              0.4MPa
Impact Frequency	≥40Hz ≥39Hz ≥37Hz
Impact Energy	≥70J                ≥64J                   ≥48J
Noise	≤127Db/(A) ≤126Db/(A) ≤125Db/(A)
Drilling Speed	≥480mm/min ≥400mm/min ≥300mm/min

FY250 Oil Lubricator
Weight	1.2 Kg
Oil Capacity	0.25 L

Air Leg Model	FT160A	FT160B	FT160C
Weight	17 Kg	15 Kg	18 Kg
Length	1668 mm	1428 mm	1820 mm
Propulsion Stoke	1338 mm	1098 mm	1490 mm
Cylinder Inner Diameter	65 mm	65 mm	65 mm