1.Lap Joint Flange 2.Size:1/2"-100",SCH5-160 3,Export standard ... Tiangang ,Choose Top Guarantee Type:Slip On Flange, Welding Neck Flange, Socket Welding Flange, Threaded Flange, Lap Joint Flange, Blind Flange and other kinds of special flangs.Standard ... die forging from round bar,CNC machining,Drilling and Passivating Lap Joint Flange