The paper
D73H manual hard seal butterfly valve is suitable for food, medicine, petrochemical, industrial environment and high-rise buildings and pipelines as the best device for regulating flow and cutting off fluid. This butterfly valve and absorption, digestion of foreign technology, and combined with domestic users and accumulated experience in the product and carefully developed a new generation of products.
Structural characteristics of
1, the use of three-dimensional eccentric structure, valve sealing ring with elastic metal ring, so that the butterfly plate and the sealing surface of the valve body uniform and reliable contact, gas seal without leakage;
2. Unique structure, flexible operation, labor saving, convenient and long service life;
3, high temperature resistance, corrosion resistance, wear resistance of three-dimensional eccentricity.
