Types of flanges (typ) up to DIN EN 1092-1

Typ 01: Plate (slip-on) flanges for welding	Typ 13: Hubbed threaded flanges
Typ 02: Loose plate flanges with weld-on plate collar	Typ 21: Integral flanges
Typ 04: Loose plate flanges with weld-neck collar	Typ 32: Weld-on plate collars
Typ 05: Blank (blind) flanges	Typ 33: Lapped pipe ends
Typ 11: Weld-neck flanges	Typ 34: Weld-neck collars
Typ 12: Hubbed slip-on flanges for welding

D: Outside Diameter K: Diameter of Bolt Circle L: Diameter of Bolt Hole

A: Outside Diameter of Neck E: Chamfer F: Collar thickness

G max: Diameter of Shoulders R: Corner Radius N: Neck Diameter S: Neck Thickness (Preferred value)

DN	Mating dimensions					A	Bore Diameter		Flange thickness			F				G max	Length
	D	K	L	Bolting
				No	Size		B1	B2	C1*	C2 C3	C4						H2	H3	H4		H5
	Flange type
	01, 02, 05, 11, 21					11, 21 35-37	01 32	02	01 02	11 21	05	32	35	36	37	05	11	11	35	36	37
10	75	50	11	4	M10	17.2	18	21	12	12	12	10	5	2	2.5	-	28	6	28	35	7
15	80	55	11	4	M10	21.3	22	25	12	12	12	10	5	2	2.5	-	30	6	30	38	7
20	90	65	11	4	M10	26.9	27.5	31	14	14	14	10	6	2.5	3	-	32	6	32	40	8
25	100	75	11	4	M10	33.7	34.5	38	14	14	14	10	7	2.5	3	-	35	6	35	40	10
32	120	90	14	4	M12	42.4	43.5	46	16	14	14	10	8	3	3	-	35	6	35	42	12
40	130	100	14	4	M12	48.3	49.5	53	16	14	14	10	8	3	3	-	38	7	38	45	15
50	140	110	14	4	M12	60.3	61.5	65	16	14	14	12	8	3	3	-	38	8	38	45	20
65	160	130	14	4	M12	76.1	77.5	81	16	14	14	12	8	3	3	55	38	9	38	45	20
80	190	150	18	4	M16	88.9	90.5	94	18	16	16	12	10	3	4	70	42	10	42	50	25
100	210	170	18	4	M16	114.3	116	120	18	16	16	14	10	4	4	90	45	10	45	52	25
125	240	200	18	8	M16	139.7	141.5	145	20	18	18	14	10	4	4	115	48	10	48	55	25
150	265	225	18	8	M16	168.3	170.5	174	20	18	18	14	10	5	4	140	48	12	48	55	25
200	320	280	18	8	M16	219.1	221.5	226	22	20	20	16	11	5	5	190	55	15	55	62	30
250	375	335	18	12	M16	273	276.5	281	24	22	22	18	12	8	-	235	60	15	60	68	-
300	440	395	22	12	M20	323.9	327.5	333	24	22	22	18	12	8	-	285	62	15	62	68	-
350	490	445	22	12	M20	355.6	359.5	365	26	22	22	18	13	8	-	330	62	15	62	68	-
400	540	495	22	16	M20	406.4	411	416	28	22	22	20	14	8	-	380	65	15	65	72	-
450	595	550	22	16	M20	457	462	467	30	22	24	20	15	8	-	425	65	15	65	72	-
500	645	600	22	20	M20	508	513.5	519	30	24	24	22	16	8	-	475	68	15	68	75	-
600	755	705	26	20	M24	610	616.5	622	32	30	30	22	16	-	-	575	70	16	70	-	-
700	860	810	26	24	M24	711	-	721	40	30	40	-	16	-	-	670	76	16	70	-	-
800	975	920	30	24	M27	813	-	824	44	30	44	-	16	-	-	770	76	16	70	-	-
900	1075	1020	30	24	M27	914	-	926	48	30	48	-	16	-	-	860	74	16	70	-	-
1000	1175	1120	30	28	M27	1016	-	1028	52	30	52	-	18	-	-	960	74	16	70	-	-
1200	1375	1320	30	32	M27	1219	-	1234	60	32	50	-	20	-	-	1160	94	20	90	-	-
1400	1575	1520	30	36	M27	1422	-	-	-	38	-	-	-	-	-	1346	96	20	-	-	-
1600	1790	1730	30	40	M27	1626	-	-	-	46	-	-	-	-	-	1546	102	20	-	-	-
1800	1990	1930	30	44	M27	1829	-	-	-	46	-	-	-	-	-	1746	110	20	-	-	-
2000	2190	2130	30	48	M27	2032	-	-	-	50	-	-	-	-	-	1950	122	22	-	-	-
2200	2405	2340	33	52	M27	2035	-	-	-	56	-	-	-	-	-	-	129	25	-	-	-
2400	2605	2540	33	56	M30	2438	-	-	-	62	-	-	-	-	-	-	143	25	-	-	-
2600	2805	2740	33	60	M30	2620	-	-	-	64	-	-	-	-	-	-	148	25	-	-	-
2800	3030	2960	36	64	M30	2820	-	-	-	74	-	-	-	-	-	-	161	25	-	-	-
3000	3230	3160	36	68	M33	3020	-	-	-	80	-	-	-	-	-	-	170	25	-	-	-
3200	3430	3360	36	72	M33	3220	-	-	-	84	-	-	-	-	-	-	180	25	-	-	-
3400	3630	3560	36	76	M33	3420	-	-	-	90	-	-	-	-	-	-	194	28	-	-	-
3600	3840	3770	36	80	M33	3620	-	-	-	96	-	-	-	-	-	-	201	28	-	-	-
3800	4045	3970	39	80	M36	3820	-	-	-	102	-	-	-	-	-	-	212	28	-	-	-
4000	4245	4170	39	84	M36	4020	-	-	-	106	-	-	-	-	-	-	226	28	-	-	-