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Down-the-hole Drill
 来源:英腾嘉科技 发布日期 2013年1月22日  浏览 1732次
Hydraulic down-the-hole drill is mainly used for blasting drilling in mines, tunnels, construction, etc, which also can be used in gas leak detection.
 
◎Features
◆Feathering trigger, easy-start
◆Work long time and lockable switch handle
◆Speed adjustable(0~300rpm)
◆Build-in air compressor for cleaning or water flushing
.◆Drilling diameterΦ45~Φ76mm and drilling depth 3~6m
 
Specifications
Type
DHD20
DHD30
Weight  (kg)
20
30
Length  (mm)
610
660
Width  (mm)
410
460
Flow Range (lpm)
20-25
26-34
Working Pressure  (bar)
70-140
105-140
Depth (m)
3
6
Max. dia.(mm)
Φ50
Φ76
Size
7/8 in. x4-1/4 in. Hex.
1 in. x4-1/4 in. Hex.
Remark
 air flushing built-in air compressor
water flushing
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