1. The valve adopts a three-eccentric sealing structure. The seat and butterfly plate hardly wear and tear. It has the sealing function of tighter and tighter.
2. The valve body is made of stainless steel, which has the double advantages of metal hard seal and elastic seal. It has excellent sealing performance, corrosion resistance and long service life, no matter at low temperature and high temperature.
3. Cobalt-based cemented carbide is surfacing welded on the sealing surface of butterfly plate. The sealing surface is wear-resistant and has a long service life.
4. Large size butterfly plate adopts quill structure, which has high strength, large overflow area and small flow resistance.
5. The valve has two-way sealing function. It can be installed in any direction without restriction of medium flow direction or influence of space position.
6. The driving device can be installed at multiple stations (rotating 90 or 180 degrees) for user's convenience.