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DTH - Large Dia DTH
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| DTH |
DOWN THE HOLE HAMMER PILING |
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ENTECO product range includes application of large diameter Down The Hammers to be installed on high capacity rigs, with long mast stroke, dedicated rotary tables and clamping assembly, capable to guarantee great levels of productivity to drill large piles into rock formations.
ENTECO DTH application is designed to use DTH system to drill piles up 1200 mm diameter with a single stroke of the rotary up to 24 meters.
The units are equipped with crowd/extraction winch mounted on the mast, rotary tables with gear box for drilling speed control, dust collector cap, lower clamps assembly composed of one section of blocking clamp and one section of joint breaking clamp. The system is fully hydraulically integrated with the base rig with the option to provide a wireless remote control for the drilling operations.
Application field:
- Limestone, rock formations or harder strata with obstructions
- Possibility to socket into hard rock
- Secant piles possibility
- Existing concrete and steel reinforcement cutting
Features:
- Faster production in hard strata e rock formation
- Large diameter with single bit compared to standard micropiles
- Greater production and timing
- Collection of dust and pulverized materials
- Enhanced verticality control
- No fluids to sustain the pile are required
- Full control of piles verticality by means of electronic device
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| Series/Model |
Torque max
(kNm) |
Diameter max
(Ø mm) |
Rotary stroke
(m) |
Crowd Force
(kN) |
Extraction Force
(kN) |
PDF |
| E 9070 DTH |
275 |
1200 |
18 |
280 |
760 |
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| E 9080 DTH |
320 |
1200 |
21 |
330 |
870 |
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| E 9100 DTH |
400 |
1200 |
24 |
400 |
1000 |
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| E 7050 DTH |
245 |
1000 |
20 |
200 |
530 |
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| E 7080 DTH |
300 |
1200 |
21 |
300 |
840 |
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| E 6040 DTH |
150 |
800 |
17,5 |
150 |
450 |
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| E 6050 DTH |
245 |
1000 |
18,5 |
200 |
530 |
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| E 5045 DTH |
245 |
1000 |
20 |
600 |
600 |
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