Features：
1.  The valve flow is streamlined,low resistance 
2.  The open-close part is control by medium itself to prevent backflow. 
3.  Seal the pair of pairs of advanced and reasonable, disc, valve seat sealing surface with iron-based alloy or Si Tai Li cobalt-based carbide welding, wear, high temperature, corrosion resistance, anti-scratch ability, long service life. 
4.  Products can be used in a variety of piping flange and flange standard and flange seal type, to meet a variety of engineering needs and user requirements. 
5.  Valve body variety, gasket can be based on actual conditions or user requirements reasonable matching, can be applied to a variety of pressure, temperature and medium conditions.
 6．Bundor company specialized intentions since 1994, has a professional production, sales, research, after-sales team, is your strong backing of sales and use.