First, The Flange Multi-level Metal Hard Seal Butterfly Valve Product Overview:

This valve uses the J shaped elastic precision ring and three eccentric multi-level metal seal structure, is widely used in medium temperature less than 425 DEG C, petroleum chemical industry, metallurgy, electric power and water supply and drainage and city construction and other industrial pipelines, adjust the flux and set off fluid. The three eccentric valve structure, valve seat and disc sealing surface are made of stainless steel with different hardness, good corrosion resistance, long service life, the product conforms to the national standard GB/T13927-92 valve pressure test.
 

Second, The Flange Multi-level Metal Hard Seal Butterfly Valve Features:

1, The valve uses three eccentric sealing structure, seat and butterfly plate almost no wear, has the more closed the more tight sealing function.

2, The sealing ring is made of stainless steel, has the dual advantages of ametal sealandsealthe, both in low and high temperature conditions, both with excellent sealing performance, has the characteristics of corrosion resistance and long service life etc..

3, The sealing surface of the butterfly plate is welded with cobalt based hard alloy. The sealing face is wear resistant and has long service life

4, Large formatdiscusinglatticestructure, high strength, large flow area, flow resistance is small.

5, The valve has two-way sealing function, installation is not affected by the media flow direction, and is not affected by the location of the space, can be installed in any direction.

6. The driving device can be installed in multi station (rotating 90 degrees or 180 degrees), which is easy for users to use.

Third, The Flange Multi-level Metal Hard Seal Butterfly Valve Connection Size: