... Socket Welding Flange, Alloy flange,Plate Flange class 200 of yellow paint steel flange ANSI Flange Size:1/2" ~ 64"(DN15 ... and Middle East countries.Surface treatment: Anti-rust Oil, Transparent/Yellow/Black Paint, Hot Dipped Gal.Sample: Flange Sample for free ... inquiry will be replied within 24 hours. class 200 of yellow paint steel flange