Flat Socket Weld Pipe Flange, Carbon Steel, Straight, 5\” Pipe Side 1, 5\” C61 Socket Weld Flange Side 2, Kit with Flange, Bolts, O-Rings – W72-80-80U Face Style: O-Ring Fitting Angle: Straight Flange Code: Code 61 Socket Weld Flange Size: 5 in Side 1 Size: 5 in Side 1 Type: Pipe