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                        GL-ⅡA Trailer Mounted Drilling Rig

                        Main Application

                        ◆  Drilling wells for urban and rural life       

                        ◆  Drilling wells for agricultural irrigation and industries

                        ◆  Drilling for geotechnical survey

                        ◆  Drilling construction engineering holes

                        ◆  Drilling geothermal pump wells

                        Main Specification

                        Drilling Parameter
                        Hole diameter                           90--1200(mm) 
                        Hole depth                                     400(m)
                        Run Of Rod                                     34(m)
                        Drill rod diameter φ73  φ89  φ95  φ133(mm)
                        Drilling Technology         Normal and Reverse Circulation for both Mud and Air
                        Down-The-Hole hammers:         Middle-High-Pressure Air
                        Performance Parameter
                        Drill Head Inside Diameter            Φ60   φ80   φ120
                        Drill Head lifting speed(m/s)            0.37              0.16
                        Drill Head lifting Force(T)            18T
                        Drill Head Spin Speed:           A(Forward:14-23-52-84,Reverse:8-13-29-47r/min
                        B(Forward:32-52-116-188,Reverse:18-29-65-106r/min
                        Shape Parameters
                        Dimensions            (L-W-H) Working conditions 5300×2000×7200(mm)
                        Transport status:          (L-W-H)  7900×2000×3000(mm)
                        Supporting Form                         Mechanical Screw
                        Mast Up-Down                            Hydraulic Type
                        Rig mass                                         3800(Kg)
                        Chassis                                Trailer with four wheels
                        Power Unit                                 Diesel Engine
                        Power                                         49(kW)
                        Pump                  LBN-20 Normal and Reverse Circulation Pump Group
                        Flow(m³/h)                                            80
                        Main Hoist Lifting Force            3T 
                        Feed Thrust                    2T
                        Notes: Drill head spin speed can be selected, A is normal
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