1.Slip-on welding neck flanges
2.Standard:DIN
3.Styles:welding neck flanges,thread flanges,socket welding flange and so on

1.Slip-on welding neck flanges
2.Standard:ANSI,DIN,JIS,GB,ASME
3.Styles:welding neck flanges,thread flanges,slip on flanges,socket welding flanges,lap joint flanges,blind flanges and so on

4.We also could produce non-standard flanges according to your requirements.