... Neck ,Plain Welded Size:DN15-DN2000 Coating:Galvanized,Rust-proof oil Forged Flange GOST Standard Size rangeDN15 to DN ... 2000DesignPlate Flange 12820-80, Welding Neck Flange 12821-80PressurePN6, PN10, PN16, PN25, ... Stainless Steel 304/304L, 316/316LScaling Face FF,RF,RTJCoatingrust-proof oil, cold and hot galvanizePackageSea worthy plywooden case, wooden ...