| Correlation of the flange sizes & types covered by the older DIN Standards with those included in DIN EN 1092-1 | DIN Standard | Flange type as in DIN EN 1092-1 | Item description | Size range (DN) as in DIN Standard | Size range (DN) as in DIN EN 1092-1 | *2512 | – | Tongue and groove | Up to PN 160 DN 4 to DN 1000 | Up to PN 100 DN 10 to DN 2000 | *2513 | – | Spigot and recess | DN 10 to DN 1000 | Up to PN 100 DN 10 to DN 2000 | *2514 | – | Spigot with groove and recess | DN 10 to DN 3000 | Up to PN 100 DN 10 to DN 2000 | 2527 | 05 | Blank flanges, PN 2,5 | Not specified. | DN 10 to DN 2000 | | 05 | Blank flanges, PN 6 | DN 10 to DN 500 | DN 10 to DN 2000 | | 05 | Blank flanges, PN 10 | DN 10 to DN 500 | DN 10 to DN 1200 | | 05 | Blank flanges, PN 16 | DN 10 to DN 500 | DN 10 to DN 1200 | | 05 | Blank flanges, PN 25 | DN 10 to DN 500 | DN 10 to DN 600 | | 05 | Blank flanges, PN 40 | DN 10 to DN 500 | DN 10 to DN 600 | | 05 | Blank flanges, PN 64 (now PN 63) | DN 10 to DN 400 | DN 10 to DN 400 | | 05 | Blank flanges, PN 100 | DN 10 to DN 350 | DN 10 to DN 350 | 2543 | – | Cast steel flanges, PN 16 | DN 10 to DN 2200 | DN 10 to DN 2000 | 2544 | – | Cast steel flanges, PN 25 | DN 10 to DN 2000 | DN 10 to DN 2000 | 2545 | – | Cast steel flanges, PN 40 | DN 10 to DN 1600 | DN 10 to DN 600 | 2546 | – | Cast steel flanges, PN 64 (now PN 63) | DN 10 to DN 1200 | DN 10 to DN 1200 | 2547 | – | Cast steel flanges, PN 100 | DN 125 to DN 700 | DN 10 to DN 500 | 2566 | 13 | Hubbed threaded flanges, PN 10 to PN 16 | DN 6 to DN 100 | DN 10 to DN 600 | 2573 | 01 | Plate flanges for brazing or welding, PN 6 | DN 10 to DN 500 | DN 10 to DN 600 | 2576 | 01 | Plate flanges for brazing or welding, PN 10 | DN 10 to DN 500 | DN 10 to DN 600 | 2630 | 11 | Weld-neck flanges, PN 1 and PN 2,5 | DN 10 to DN 4000 | DN 10 to DN 4000 | 2631 | 11 | Weld-neck flanges, PN 6 | DN 10 to DN 3600 | DN 10 to DN 3600 | 2632 | 11 | Weld-neck flanges, PN 10 | DN 10 to DN 3000 | DN 10 to DN 3000 | 2633 | 11 | Weld-neck flanges, PN 16 | DN 10 to DN 2000 | DN 10 to DN 2000 | 2634 | 11 | Weld-neck flanges, PN 25 | DN 10 to DN 1000 | DN 10 to DN 1000 | 2635 | 11 | Weld-neck flanges, PN 40 | DN 10 to DN 500 | DN 10 to DN 600 | 2636 | 11 | Weld-neck flanges, PN 64 (now PN 63) | DN 10 to DN 400 | DN 10 to DN 400 | 2637 | 11 | Weld-neck flanges, PN 100 | DN 10 to DN 350 | DN 10 to DN 350 | 2641 | 02, 33, 32 | Loose plate flanges, lapped pipe ends, weld-on plate collars, PN 6 | DN 10 to DN 1200 | DN 10 to DN 600 | 2642 | 02, 33, 32 | Loose plate flanges, lapped pipe ends, weld-on plate collars, PN 10 | DN 10 to DN 800 | DN 10 to DN 600 | 2655 | 02, 33, 32 | Loose plate flanges, weld-on plate collars, PN 25 | DN 10 to DN 500 | DN 10 to DN 600 | 2656 | 02, 33, 32 | Loose plate flanges, weld-on plate collars, PN 40 | DN 10 to DN 400 | DN 10 to DN 600 | 2673 | 04, 34 | Loose plate flanges with weld-neck collar, PN 10 | DN 10 to DN 1200 | DN 10 to DN 600 | *Flange feature only; not the call out for a complete flange |
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