Butt Weld Carbon Steel Pipe Flange, Smooth Flat Face (no O-Ring Groove), 1\” Pipe for Sch. 80 x 1\” Code 61, no Bolts or O-Rings Included – W23-16 Face Style: Flat Face Fitting Angle: Straight Flange Code: Code 61 Butt Weld Flange Size: 1 in Side 1 Size: 1 in Side 1 Type: Pipe – Sch. 80