... 2''-240''(DN15 to DN6000)TypeWelding Neck Flange, Slip on Flange, Threaded Flange, Socket Welding Flange, Blind Flange, OrificeFlange, Ring Joint Flanges, Long ... building,paper making,metallurgy,construction /water supply and sewage work Flange Facing TypesRaised Face, Flat Face, Ring Type Joint, ... achieve Competitive price with good qualit,low MOQ and short lead time BS Carbon Steel Slip on Flange