PRODUCTS DIN 2634 PN 25 Welded Neck Flange DIN 2635 PN 40 Welded Neck Flange ANSI 150 LB Welded Neck Flange ANSI 300 LB Welded Neck Flange ANSI 600 LB Welded Neck Flange ANSI 900 LB Welded Neck Flange