Standard Connection Flange

Written by Jerry Ratzlaff on . Posted in Pipe Flanges

This flange is normally used for nozzles on pressure vessels and rarely used with pipe. The hub of the flange is straight and thicker than the taper of the weld neck flange (WNF). This flange has a raised face.

flange standard connection 1Long Weld Neck Flangeflange standard connection 2Heavy Barrel Flangeflange standard connection 3Full Barrel Flange










  • FBF - full barrel flange
  • HBF - heavy barrel flange
  • LWNF - long weld neck flange