... as your requirements. flat welding flanges(1) Flanges Type: Plate Flange, Flat Flange, Slip-on Flange,flat welding flange,Welding Neck ... Raised Face, Flat Face, Ring Type Joint, Lap-Joint Face, Large Male- Female, Small Male-Female, Large Tongue & Groove, Small Tongue & Groove ( ... or Fumigate Playwood/Wood Pallet or Case (7) Usage: flat welding flange are used in petroleum/ chemical industry/power/ ...