flange: 1.Competitive price,small order allowed 2.ISO9001:2008,14001 3.1/2''-240''(DN15 to DN6000) 4.Sample We are a reliable supplier that can make BS Carbon Steel Slip on Flange. Here are some details of the products for your reference. Size1/2''-240''(DN15 to DN6000)TypeWelding Neck Flange, Slip on Flange, Threaded Flange, Socket Welding Flange, Blind Flange, OrificeFlange, Ring Joint Flanges, ...