1. Midline butterfly valve, elastic interference seal enables the valve to have two-way zero leakage performance.

2. The valve body adopts precision casting process, liner rubber to avoid contact with fluid medium, different rubber material combination to meet a variety of working conditions.

3. Flow linear disc design + edge polishing gives lower operating torque and minimal pressure loss, ensuring longer term zero leakage seal and seat life.

4. Flexible design of whole shaft and half shaft, with and without pins to meet the needs of different customers.

5. Seat design according to different specifications with backing and vulcanized structure, the valve body and stem and fluid isolation, and provides a seal to the pipe flange, no need to add a sealing gasket.