Low Air Pressure DTH Hammer
Product Description
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Low Air Pressure DTH Hammer
| Type |
Length
(mm) |
External Diameter |
Hole Range
(mm) |
Working pressure
Mpa |
Air Consumption
M3/min |
Impact Energy (N.m) |
Impact Rate
(Beat/ min) |
Connecting Thread |
| DR80 |
735 |
Φ79 |
Φ80~90 |
0.5-0.7 |
5.5 |
85 |
≥800 |
APT 2 3/8” |
| DR90 |
796 |
Φ80 |
Φ90~130 |
0.5-0.7 |
6 |
110 |
≥820 |
M48*10*2 |
| DR110 |
838 |
Φ98 |
Φ110~160 |
0.5-0.7 |
11 |
180 |
≥820 |
APT 2 3/8” |
| DR150 |
908 |
Φ137 |
Φ150~185 |
0.5-0.7 |
17 |
340 |
≥800 |
M78*10*3 |
| DR170 |
1023 |
Φ156 |
Φ170~250 |
0.5-0.7 |
19.5 |
420 |
≥790 |
M100*28*10 |
Chengdu Drillrocker Inc. DR series low pressure DTH Hammer is widely used in drillability all kinds of mid-hard and high-hard of geotechnical engineering, such as poor toughness of rock. Suitable for mining, quarry, building roads and other projects; drilling blasting holes, landslide protection, dam reinforcement, anchoring engineering; heat source, air conditioning, hydrology, water well hole area, etc.
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 Related Keywords: dth hammer , down the hole hammer , low air hammer
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