Flange type (typ) as in DIN EN 1092-1
01 (Plate [slip-on] flanges for welding)	13 (Hubbed threaded flanges)
02 (Loose plate flanges with weld-on plate collar)	21 (Integral flanges)
04 (Loose plate flanges with weld-neck collar)	32 (Weld-on plate collars)
05 (Blank [blind] flanges)	33 (Lapped pipe ends)
11 (Weld-neck flanges)	34 (Weld-neck collars)
12 (Hubbed slip-on flanges for welding)

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

Some Flange feature equivalents: DIN EN 1092 from DIN
DIN EN 1092-1	DIN
DIN EN 1092-1 Type B Raised Face	DIN 2526 Form C
DIN EN 1092-1 Type C Tongue	DIN 2512 Feder (Form F)
DIN EN 1092-1 Type D Groove	DIN 2512 Nut (Form N)
DIN EN 1092-1 Type E Spigot	DIN 2513 Vorsprung (Form V)
DIN EN 1092-1 Type F Recess	DIN 2513 Rücksprung (Form R)

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