Specifications

1.external clamp unfitness of butt joint is below 2mm
2.external clamp cooresponding single size
3.screw-rod, hydraulic type

1.HIgh matching accurancy, unfitness of butt joint is below 2mm,

2. Easy operation, single diamter designing, no needs to do adjustment,

3.Sectionaladjustment system, sectional adjustment of unfitness of butt joint, it is conevenient, reasonable and reliable

4.Light and easy to carry