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Rotary Eengineering Drilling Rig D25A
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Rotary Eengineering Drilling Rig D25A

D25A Hydraulic Rotary Drilling Rig, its main performance reaches advanced level of its same kind in the world. Its key parts use world famous products. It can be flexibly operated and has high efficiency, widely used in the construction of tall building, bridge and water conservancy
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D25A Hydraulic Rotary Drilling Rig, its main performance reaches advanced level of its same kind in the world. Its key parts use world famous products. It can be flexibly operated and has high efficiency, widely used in the construction of tall building, bridge and water conservancy

TypeD25A
Drilling tower
Height of tower (mm)21500 
Weight of base machine(without drilling tools)(kg)55000 
Crowd cylinder
Cylinder stroke (mm) 5700
Cylinder pressure force (kN) 200
Cylinder pulling force (kN) 200
Main winch
Single line pull (kN) 1800
Rope diameter (mm)26 
Line speed max. (m/min) 60
Auxiliary winch
Single line pull (kN) 75
Rope diameter (mm) 18
Line speed max. (m/min) 45
Drilling parameter
Dimensions(mm)
L1 20500
L2 8450
L3 2850
Drilling diameter(mm)
uncased1800 
cased1500
Length of case(m)
W/O oscillator H-0.6
With oscillatorH-1.8


D25A Hydraulic Rotary Drilling Rig, its main performance reaches advanced level of its same kind in the world. Its key parts use world famous products. It can be flexibly operated and has high efficiency, widely used in the construction of tall building, bridge and water conservancy.


CASE2

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