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DQ40YA
 
Specifications
Drive Mode Hydraulic drive
Rated Drilling Depth 4000m (114mm drill pipe)
Rated Load Capacities 2250 KN 250 ton
Power Supply 380 V AC/ 50Hz
Rated Power 400kw 540HP
Rated Speed 0-180 r/min
Drilling Torque (continuous) 35 KN-m 25800 lb-ft
Max. Torque of Break Out 49 KN-m 36000 lb-ft
Backup Tong Range 87˜270mm 3-½˜10-½ in
Hydraulic System Working Pressure 35 MPa 5000 psi
Assistant Hydraulic System Working Pressure 16MPa 2280 psi
Rated Pressure of IBOP 70 MPa 10000 psi
Mud Circulating Diameter 62mm 2-½ in
Rated Circulating Pressure 35 MPa 5000 psi
Max. distance between Main Shaft Center and The Front End 587mm 23.1 in
Main Body Height 3.8 m 12.46 ft
Ambient Temperature -35˜55°C
 
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