Downhole Drilling Rig China DTH Down the Hole Hammer Drill

Model

DH725C1

DH725C2

DH725C3

Rock hardness

f=6-20

f=6-20

f=6-20

Working pressure(Mpa

0.6~1.6

0.5~1.4

0.7~1.6

Air consumption(m3/min)

7~12

7~12

7~15

Rotation speed (r/min)

0-100

0-120

0-100

Bore dia.(mm)

83~105 (Standard 90mm)

83~105 (Standard 90mm)

83~115 (Standard 90mm)

Bore depth (m)

≤25

≤25

≤30

Main motor power(kw

40

40

40

Traveling speed (km/h)

2

2

2

Max. climb ability(°)

25

25

25

Max lifting power(kN)

12

12

15

Drill rod length(mm)

2000

2000

2000

G.W.(kg)

3000

3200

4100

Dimension(L×W×H)(mm)

4250*1980*2260

4530*2100*2260

5400*2100*2250

2.Compressors

Model: MHC400-13

Diesel Engine

Type: Double Rotary Screw, one stage compression

Model:6BT5.9

Cool way: Air cooled

Type: water cool,4   stroke

Air Delivery:   10m3/min

Working power:110kw

Working   pressure:5-13bar

Rated rotation   speed:2400rpm

Driven way: Coupling   direct connected, diesel driven

Engine oil capacity:25-18L

Lube oil:60L

Oil tank capacity:120-160L

Dimension(L*W*H):3220*1850*1850mm

Weight:2450kg