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			E	F	G max	Length			Neck  diameters			R	S
		D	K	L	Bolting
					No	Size		B1	B2	C1*	C2 C3	C4				H1	H2	H3	N1	N2	N3
		Flange type
		01, 02, 05, 11, 12, 13, 21					11 21**	01 12 32	02	01 02 04	11 12 13 21	05	02 04	32 34	05	12	11 34	11 34	11 34	12	21	11 12 13 21	11
10		75	50	11	4	M10	17.2	18	21	12	12	12	3	10	-	20	28	6	26	25	20	4	1.8
15		80	55	11	4	M10	21.3	22	25	12	12	12	3	10	-	20	30	6	30	30	26	4	2
20		90	65	11	4	M10	26.9	27.5	31	14	14	14	4	10	-	24	32	6	38	40	34	4	2.3
25		100	75	11	4	M10	33.7	34.5	38	14	14	14	4	10	-	24	35	6	42	50	44	4	2.6
32		120	90	14	4	M12	42.4	43.5	46	16	14	14	5	10	-	26	35	6	55	60	54	6	2.6
40		130	100	14	4	M12	48.3	49.5	53	16	14	14	5	10	-	26	38	7	62	70	64	6	2.6
50		140	110	14	4	M12	60.3	61.5	65	16	14	14	5	12	-	28	38	8	74	80	74	6	2.9
65		160	130	14	4	M12	76.1	77.5	81	16	14	14	6	12	55	32	38	9	88	100	94	6	2.9
80		190	150	18	4	M16	88.9	90.5	94	18	16	16	6	12	70	34	42	10	102	110	110	8	3.2
100		210	170	18	4	M16	114.3	116	120	18	16	16	6	14	90	40	45	10	130	130	130	8	3.6
125		240	200	18	8	M16	139.7	141.5	145	20	18	18	6	14	115	44	48	10	155	160	160	8	4
150		265	225	18	8	M16	168.3	170.5	174	20	18	18	6	14	140	44	48	12	184	185	182	10	4.5
200		320	280	18	8	M16	219.1	221.5	226	22	20	20	6	16	190	44	55	15	236	240	238	10	5.9
250		375	335	18	12	M16	273	276.5	281	24	22	22	8	18	235	44	60	15	290	295	284	12	6.3
300		440	395	22	12	M20	323.9	327.5	333	24	22	22	8	18	285	44	62	15	342	355	342	12	7.1
350		490	445	22	12	M20	355.6	359.5	365	26	22	22	8	18	330	-	62	15	385	-	392	12	7.1
400		540	495	22	16	M20	406.4	411	416	28	22	22	8	20	380	-	65	15	438	-	442	12	7.1
450		595	550	22	16	M20	457	462	467	30	22	24	8	20	425	-	65	15	492	-	494	12	7.1
500		645	600	22	20	M20	508	513.5	519	30	24	24	8	22	475	-	68	15	538	-	544	12	7.1
600		755	705	26	20	M24	610	616.5	622	32	30	30	8	22	575	-	70	16	640	-	642	12	7.1
700		860	810	26	24	M24	711	-	-	-	24	40	-	-	670	-	70	16	740	-	746	12	7.1
800		975	920	30	24	M27	813	-	-	-	24	44	-	-	770	-	70	16	842	-	850	12	7.1
900		1075	1020	30	24	M27	914	-	-	-	26	48	-	-	860	-	70	16	942	-	950	12	7.1
1000		1175	1120	30	28	M27	1016	-	-	-	26	52	-	-	960	-	70	16	1045	-	1050	16	7.1
1200		1405	1340	33	32	M30	1219	-	-	-	28	60	-	-	1160	-	90	20	1248	-	1264	16	8
1400		1630	1560	36	36	M33	1422	-	-	-	32	68	-	-	1346	-	90	20	1452	-	1480	16	8
1600		1830	1760	36	40	M33	1626	-	-	-	34	76	-	-	1546	-	90	20	1655	-	1680	16	9
1800		2045	1970	39	44	M36	1829	-	-	-	36	84	-	-	1746	-	100	20	1855	-	1878	16	10
2000		2265	2180	42	48	M39	2032	-	-	-	38	92	-	-	1950	-	110	25	2058	-	2082	16	11
2200		2475	2390	42	52	M39	2035	-	-	-	42	-	-	-	-	-	115	25	2260	-	-	18	12
2400		2685	2600	42	56	M39	2438	-	-	-	44	-	-	-	-	-	125	25	2462	-	-	18	13
2600		2905	2710	48	60	M45	2620	-	-	-	46	-	-	-	-	-	130	25	2665	-	-	18	14
2800		3115	3020	48	64	M45	2820	-	-	-	48	-	-	-	-	-	135	30	2865	-	-	18	15
3000		3315	3220	48	68	M45	3020	-	-	-	50	-	-	-	-	-	140	30	3068	-	-	18	16
3200		3525	3430	48	72	M45	3220	-	-	-	54	-	-	-	-	-	150	30	3272	-	-	20	18
3400		3735	3640	48	76	M45	3420	-	-	-	56	-	-	-	-	-	160	35	3475	-	-	20	18
3600		3970	3860	56	80	M52	3620	-	-	-	60	-	-	-	-	-	165	35	3678	-	-	20	18

* Above DN 600 dimension C1 is to be specified by the purchaser.

** For flanges type 21 the outside hub diameter approximately corresponds to the outside pipe diameter.