1. Unique structure, flexible design, light weight, labor saving, rapid opening and closing.

2. The telescopic butterfly valve can not only compensate the function of thermal expansion and cold contraction caused by the temperature difference in the pipeline, but also provide convenience for the installation and replacement of the maintenance valve.

3. The sealing parts can be adjusted and replaced, and the sealing performance is reliable.

4. Replace butterfly plate sealing ring, butterfly plate and other materials, can be applied to different media and different temperatures.

5. Flexible and labor-saving operation, you can choose manual, worm, electric, pneumatic, hydraulic control and other means.

6. Good regulation performance.