100 pcs DN200 CF8M flange butterfly valve delivery to Europe. Thanks for customer choose us, and looking forward to our next cooperation.Three eccentric center butterfly valve, also called triple offset butterfly valve, generally is metal seat, bi-directional & tight sealing. Traditional metal seat

904L is Super Stainless Steel, a kind of Nickel Alloy, it is suitable for various concentration of sulfuric when below 70 ℃, and has good corrosion resistance in in any concentration of acetic at any temperature under normal pressure. 904L could be welded by a variety of welding methods. This time c