It adopts the precise J-shaped elastic seal ring and three eccentric and multi-level metal seal structure, which is widely used in the metallurgy, electric power, petrochemical, water supply and drainage, municipal construction and other industrial piping that the media temperature is less than 425℃ to adjust the flow and cut-off the fluid. The valve adopts three eccentric structure. The valve seat and the plate seal surface have a strong corrosion resistance and long service life for it is made of stainless steel in different hardness. The valve has a bi-directional sealing function and in line with the national GB/T13927-92 valve pressure test standard.
Characteristics:
1. The valve adopts three eccentric structure. The valve seat and butterfly plate have an excellent seal function and almost without wear.
2. The seal ring has an excellent seal performance, a strong corrosion resistance and a long service life no matter in a low temperature or a high temperature for it is made of stainless steel and has the dual advantages of metal hard seal and elastic seal.
3. The seal surface of the butterfly plate has a wear resistance performance and a long service life for it is made of the welded cobalt base alloy.
4. As adopting truss structure, the large-sized butterfly plate has the advantages of high strength, large flow area and small flow resistance.
5. The valve has a bi-directional seal function and can be installed at any angle, thus the installation neither influenced by the media flow direction nor the space location.
6. The drive device is user friendliness as it can be installed in multi-position (rotated 90 ° or 180 °).