EN 1092-1 PN 10 Type 11 Flange Dimension

DN	Mating dimensions					Outside diameter of neck A	Flange thickness	Length		Neck diameters	Corner radii R₁	Wall thickness 〔see 5.6.1〕 S
	Outside diameter D	Diameter of bolt circle K	Diameter of bolt hole L	Bolting			Flange thickness	Length		Neck diameters
	Outside diameter D	Diameter of bolt circle K	Diameter of bolt hole L	Number	Size		C₂	H₂	H₃	N₁
10	90	60	14	4	M12	17.2	16	35	6	28	4	See AnnexA
15	95	65	14	4	M12	21.3	16	38	6	32	4
20	105	75	14	4	M12	26.9	18	40	6	40	4
25	115	85	14	4	M12	33.7	18	40	6	46	4
32	140	100	18	4	M16	42.4	18	42	6	56	6
40	150	110	18	4	M16	48.3	18	45	7	64	6
50	165	125	18	4	M16	60.3	18	45	8	74	6
65	185	145	18	8d	M16	76.1	18	45	10	92	6
80	200	160	18	8	M16	88.9	20	50	10	105	6
100	220	180	18	8	M16	114.3	20	52	12	131	8
125	250	210	18	8	M16	139.7	22	55	12	156	8
150	285	240	22	8	M20	168.3	22	55	12	184	10
200	340	295	22	8	M20	219.1	24	62	16	234	10
250	395	350	22	12	M20	273.0	26	68	16	292	12
300	445	400	22	12	M20	323.9	26	68	16	342	12
350	505	460	22	16	M20	355.6	26	68	16	385	12
400	565	515	26	16	M24	406.4	26	72	16	440	12
450	615	565	26	20	M24	457.0	28	72	16	488	12
500	670	620	26	20	M24	508.0	28	75	16	542	12
600	780	725	30	20	M27	610.0	30	82	18	642	12	SeeAnnexA
700	895	840	30	24	M27	711.0	35	85	18	746	12
800	1015	950	33	24	M30	813.0	38	96	18	850	12
900	1115	1050	33	28	M30	914.0	38	99	20	950	12
1000	1230	1160	36	28	M33	1016.0	44	105	20	1052	16
1200	1455	1380	39	32	M36	1219.0	55	132	25	1256	16
1400	1675	1590	42	36	M39	1422.0	65	143	25	1460	16
1600	1915	1820	48	40	M45	1626.0	75	159	25	1666	16
1800	2115	2020	48	44	M45	1829.0	85	175	30	1868	16
2000	2325	2230	48	48	M45	2032.0	90	186	30	2072	16
2200	2550	2440	56	52	M52	2235.0	100	202	35	2275	18
2400	2760	2650	56	56	M52	2438.0	10	218	35	2478	18
2600	2960	2850	56	60	M52	2620.0	110	224	40	2680	18
2800	3180	3070	56	64	M52	2820.0	24	244	40	2882	18
3000	3405	3290	62	68	M56	3020.0	132	257	45	3085	18
a For flanges type 21 the outside hub diameter approximately corresponds to the outside pipe diameter and the nominal value dimensions A,N3 and R1 and their tolerances are included for guidance only b To be specified by the purchaser. c Use is limited up to DN600. d According to EN1092-2(Cast iron flanges)andEN1092-3 (Copperalloy flanges),the flanges in this DN and PNmay be supplied with 4 holes.Where steel flangess arerequired with 4 holes,thesemay be supplied by agreement between flange manufacturer and purchaser.