... DN50-1800mm carbon steel, stainless steel ISO, API CE certificate Pneumatic Knife gate valve, wafer type knife gate valve, Lug knife ... Media: Paper pulp, Dirty Water, Coal Slurry, Ashes, etc/Our products are widely used in paper making factory, Coal Washing plants ... = new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Pneumatic stainless steel knife gate valve