Product URL: http://www.wzyd.com.cn/product.asp?typeid=10 
 Product Website: http://www.wzyd.com.cn/pro_show.asp?key=31 
 Ball Valve eccentric metal seal structure, sealing in the form of metal to metal seal, can exchange metal to metal seal ring, stainless steel and graphite composite sheet metal ring seal seal butterfly valve electric drive form in addition to outside are: manual, worm gear lever, air, etc. 
 Ball Valve butterfly plate installed in the pipe diameter direction. In Ball Valve Body cylindrical channel, disc-shaped disc around the axis of rotation, rotation angle 0 ° ~ 90 ° between the rotation to 90 °, the valve is fully open state license. 
 Recommended Products: Stainless Steel valve http://www.wzyd.com.cn/ Ball Valve Stainless steel pneumatic valve http://www.wzyd.com.cn/ http://www.wzyd.com.cn/ Ball http://www.wzyd.com.cn/product.asp?typeid=10 
 Related recommendation: 
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 Filter http://www.tianyuv.com/guolvqi.asp 
 Endoscopic http://www.wzlongze.com/shijing.asp