DR370
Technical Specification
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Model |
DR400 |
DR370 |
DR310 |
DR270 |
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Drilling depth(m) |
Single pole 19.8m/several pole 40m |
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Drilling diameter |
351-406mm |
269-351mm |
251-311mm |
193-269mm |
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Drilling orientation |
60-90° |
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Diesel engine |
QSK45 1500HP@1900 |
QSK45 1200HP@1900 |
QSK23 950HP@1800 |
QSK19 755HP@2100 |
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Air compressor |
107m3/min@1.4MPa |
84.9m3/min@0.75MPa |
74.6m3@0.76MPa |
53.8m3/min@0.75MPa |
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Rotary head |
25KNm maximum speed 150rpm |
17.5KNm maximum speed 150rpm |
14KMm maximum speed 150rpm |
6.5KMm maximum speed150rpm |
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|
propulsive force: lift force: propulsive speed: lift speed: |
0-550KN 320KN 20mpm 42mpm |
490KN 245KN 18mpm 36mpm |
0-400KN 250KN 20mpm 42mpm |
311KN 155KN 39mpm 48mpm |
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Total weight |
180T |
136T |
105T |
99T |
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Inversion |
21.5m |
20.7m |
20.2m |
19.7m |
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Demension |
Erection |
13.5m |
13.2m |
12.3m |
12.0m |
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Overall width |
5.25m |
5.25m |
4.95m |
4.95m |
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