... : Production Name forged welding neck flanges,St37,DIN,DN:50-600 mm,rated pressure:10 bar Size1/4''-48'',DN8 ... ,6061,6083,6060,7075,8011Packing: Wooden case, Wooden pallet, or according to customer's requirementMain Flangeblind raised faced flange,weld neck flange ... , plate flange , Threaded flange, blind flangeInspection Factory in-house or Third Party inpection forged welding neck flanges,St37,DIN,DN ...