SD643H telescopic butterfly valve

1. Structure and characteristics

1. This butterfly valve is a new generation product carefully developed by absorbing and digesting foreign technology, combining the opinions of domestic users and the experience accumulated in the product.

2. The three-dimensional eccentric structure is adopted, and the valve sealing ring adopts an elastic metal ring, so that the butterfly plate and the sealing surface of the valve body are evenly and reliably contacted, and the air seal can be achieved without leakage.

3. Unique structure, flexible operation, labor saving, convenient and long service life.

4. Three-dimensional eccentricity with high temperature resistance, corrosion resistance and wear resistance.

2. Purpose

Butterfly valve is suitable for food, medicine, petrochemical industry, industrial environmental protection and high-rise buildings and pipelines as the best device for adjusting flow and cutting off fluid.