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First, jacket heat insulation hard seal butterfly valve - Overview
BD343H jacket insulation jacket or hard sealing butterfly valve butterfly valve, is based on common three eccentricity metal hard sealing butterfly valve on the valve outside welding metal jacket in the insulation body arranged on both sides of the jacket valve interface, can cover the steam into superheated gas or other, to prevent solidification at room temperature or crystallizing media. Heat preservation butterfly valve flange than ordinary metal seal butterfly valve to one to two specifications, mainly used in petroleum, chemical, metallurgical, pharmaceutical and other systems.
Two, jacket heat insulation hard seal butterfly valve - features
1, the valve uses three eccentric sealing structure, seat and butterfly plate almost no wear, with the more closely the sealing function.
2, sealing ring made of stainless steel, with metal hard sealing and elastic sealing dual advantages, both in low temperature and high temperature conditions, have excellent sealing performance, corrosion resistance, long service life and so on.
3. The sealing surface of the dish 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.