... 3.Material:SUS304,SUS316L 4.Flux domination of pipeline Sanitary welded butterfly valve,sanitary butterfly valve,welded butterfly valve1)Material:SUS304,SUS316L2 ... ,berverage,cosmetics,chemical industry,etc4)Flux domination of pipeline:DN25-150&1-6",applied to the stainless steel ... pipeline systemWorking principle:remote-controlled operation by the driving ...