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Top drive
Direct-drive top drive 450T

Direct drive by single motor, without reduction gearbox and lubrication system, higher reliability;


Technical parameters

1.Model: DQ450DBZ,

2.Motor power kW: 640,

3.Speed range r/min: 0-220,

4.Maximum continuous working torque N.m: 50000,

5.Makeup and breakout torque N.m: 75000,

6.Maximum torque N.m: 85000,

7.Braking torque N.m of brake: 50000,

8.Clamping range (diameter) mm of backup tong: 86-216,

9.Working pressure Mpa of hydraulic system: 16,

10.Rated working pressure Mpa of main shaft: 35,

11.Sole weight T of top drive: 15.85,

12.Outline dimensions mm: 5700×2180×2090,

13.Installation center distance mm: 930;


+86 28-6817-6436

China's sichuan province jinniu district information garden east road no. 99

+86 28-8297-1793

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