DIN / EN / AD-W norms: EN1092-1 Circular flanges for pipes, vales, fittings and accessories, PN designated- Part 1: Steel flanges = Type 01, Type 02, Type 04, Type 05, Type 11, Type 12, Type 13, Type 21

DIN 2519 : Steel flanges, technical terms of delivery Stahlflansche, Technische Lieferbedingungen

DIN 2526: Flanges, types of contact faces Flansche, Formen der Dichtflächen = DIN 2512, DIN 2513, DIN 2514, DIN 2695, DIN 2696 DIN 2528 Flanges, steel flanges ready for use, materials Flansche, Verwendungsfertige Flansche aus Stahl, Werkstoffe

Welding neck flange : DIN2633 PN16, DIN2632 PN10, DIN2635 PN40, DIN2631 PN6, DIN2634 PN25, DIN2636 PN64, DIN2637 PN100, DIN2628 PN160, DIN2629 PN320, DIN2627 PN400, DIN2628 PN250, DIN2630 PN2,5

Flat flange / plain flange : S DIN2576 PN10, DIN2573 PN6 Blind flange : DIN2527 PN16, DIN2527 PN6 = PN400, DIN28124 Lapped flange : DIN2642 PN10, DIN2641 PN6, DIN2655 PN25, DIN2656 PN40, DIN2673 PN10, DIN2674 PN16, DIN2676 PN40, DIN86037

Threaded flange : DIN2566 PN16, DIN2565 PN6, DIN2567 PN40, DIN2568 PN64

Oval flange : DIN2561 PN10/16, DIN2558 PN6 Flat bund : DIN2642 PN10, DIN2655 PN25, DIN 2641 PN6, DIN2656 PN40

Welding neck bund : DIN2673 PN10, DIN2674 PN16, DIN2676 PN40

Block flange : DIN28117/A PN10, DIN28117/A PN16, DIN28117/A PN40, ook DIN28117/B

Special flanges: DIN28120, DIN28031, DIN28032, DIN28036, DIN28038, DIN28034, DIN28038, DIN28025, DIN28117, DIN28137, DIN28139, DIN28141, DIN28030, DIN28033, DIN28035, DIN28037, DIN86029 PN10, DIN86030 PN16, DIN86041, DIN86044, DIN86041 PN10/16, DIN28461, VG-Norm 85227 / 85228, VG-Norm 85355 / 85356