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DQ40YB
 
Specifications
Drive Mode AC VFD
Rated Drilling Depth 4000m (114mm drill pipe)
Rated Load Capacities 2250 KN 250 ton
Power Supply 600 VAC/ 50Hz
Rated Current 465A
Max. Current 700A
Rated Power(continuous) 375kw 500HP
Rotary Speed 0-180 r/min
Drilling Torque (continuous) 40 KN-m 29500 lb-ft
Max. Torque of Break Out 60 KN-m 44250 lb-ft
Backup Tong Range 87˜216mm 3-½˜8-½ in
Hydraulic System Working Pressure 16MPa 2280 psi
Rated Pressure of IBOP 70MPa 10000 psi
Mud Circulating Diameter 75 mm 3 in
Rated Circulating Pressure 35MPa 5000 psi
Max. distance between Main Shaft Center and The Front End 705 mm 27.7 in
Main Body Height 5 m 16.39 ft
Ambient Temperature -35˜55°C
 
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