IN / 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
