... Type are like below: Slip-on flanges, Blind flanges, Lap joint flanges, Welding neck flanges, Plate flange,Socket welding flanges, Threaded ... and the flange face to accommodate a lap stub end. The face on the stub end forms the gasket face of the flange. Its ... S31803, F51. Flange Type Slip-on flanges, Blind flanges, Lap joint flanges, Welding neck flanges, Plate flange, Socket welding flanges, Threaded ...