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DTH hammer, 1.Fast drilling speed, low air consumption, 2. Straightness and hole quality, 3. High penetration rate - details see: https://www.machineto.com/high-drilling-penetration-dth-hammer-10317687

ZhongRui "ZR" supply 3"-8" dth hammer. Due to the high drilling rate and long service life, now Zhongrui DTH hammer, DTH bits are using more and more, their suceessful use in larger mine, water well drilling, stone quarry, geothermal system drilling...

SHANDONG ZHONGRUI CONSTRUCTION MACHINERY CO., LTD MOB: 0086-150-536-6594

Series

General Model

ZR Model

Outside Diameter (mm) /(inch)

Length no drill bit (mm)

Weight no drill bit (Kgs)

Working Pressure (Mpa)

Impact Freqency (HZ)

Recommended Rotation Speed (r/min)

Air consumption (m3/min)

Thread Standard

Bit Size (mm)

Middle/High air Pressure

930

ZRC80Z

φ81

3

869

23

0.7~1.4

16~18

25~40

6~10

T48×10

φ90~φ110

IR340 COP44

ZRC100G

φ99

4

1046

42

1.0~2.5

27 at 17.Mpa

25~40

6~15

API (2 3/8)" (REG)

φ110~φ135

ZRC100G-A

φ99

4

985

38

1.0~2.5

30 at 17.Mpa

25~40

6~14

API (2 3/8)" (REG)

φ110~φ135

IR350 COP54

ZRC130G

φ125

5

1226

75

1.0~2.5

25 at 17.Mpa

20~35

9~23

API (2 3/8)" (REG) API (2 3/8)" (IF) API (3 1/2)" (REG)

φ135~φ155

ZRC130G-A

φ126

5

1105

67

1.0~2.5

28 at 17.Mpa

20~35

7~19

API (2 3/8)" (REG) API (2 3/8)" (IF) API (3 1/2)" (REG)

φ135~φ155

IR360 COP64

ZRC150G

φ136

6

1392

105

1.0~2.5

23 at 17.Mpa

20~30

10~28

API (2 3/8)" (IF) API (3 1/2)" (REG)

φ152~φ203

ZRC150G-A

φ143

6

1238

100

1.0~2.5

25 at 17.Mpa

20~30

9~26

API (3 1/2)" (REG)

φ152~φ203

IR380 COP84

ZRC180G

φ181

8

1545

205

20 at 17.Mpa

15~25

15~34

API (4 1/2)" (REG)

φ195~φ254

ZRC180G-A

φ180

8

1354

173

1.0~2.5

22 at 17.Mpa

15~25

12~28

API (4 1/2)" (REG)

φ195~φ254

Remark: In ZR Model name "-A" means fast version.