Reverse Circulation Drill Rig
Reverse Circulation Drill Rig
HF-250 Reverse Circulation Rig
Drill Diameter: 550-2500mm
Drill Depth: 300m
Rated Power: 75Kw

It is suitable for complex foundation engineering construction, such as soil layer, cemented gravel and rock socketed, and it is widely applied to bridge bored pile and underground diaphragm wall foundation engineering.

1.The impact frequency of reverse circulation rig is 40 times/min, the main and the auxiliary hoisting capacity is 30kN, the motor power is 45kW, not include 6BS pump. 

2.The main and the auxiliary hoisting capacity of reverse circulation rig is 50kN, maximum drilling hole diameter is 2.0m and drilling hole depth is 80m,lifting stroke of hoist is 1.5-3.0m, main power is 75kW.

3.The reverse circulation pump unit is 3PNL and 6BS pump, can be equipped with hydraulic step displacement.

Drill hole depth (m)≤300
The hole diameter (mm)550-2500
Spindle speed (r/min)9
Spindle power (kw)7.5*2
The spindle torque (N•m)22000
Hoist lifting force (kg)3000*6
Mud pumpTraffic (m³/h)500
Power (kw)30
Generating setThe rated voltage (V)380
Rated current (A)90
Rated speed (r/min)1500
Rated power (kw)75
Main power supporting power6110 Diesel
Overall dimensions (L x W x H) (mm)9200*2500*3500
Single weight (kg)15000

Due to the continuous update and progress of technology, the difference between the technical parameters and configuration and the actual product is subject to the actual delivery.

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