EN 1092-1 PN 250 Type 11 Flange Dimension

ZHAO77JIE EN 1092-1 Dimension, Type 11

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
10b, c	125	85	18	4	M16	—	—	—	—	—	—	—
15	130	90	18	4	M16	21.3	26	60	6	48	4	2.6
25	150	105	22	4	M20	33.7	28	65	8	60	4	3.6
40	185	135	26	4	M24	48.3	34	80	10	84	6	5.0
50	200	150	26	8	M24	60.3	38	85	10	95	6	6.3
65	230	180	26	8	M24	76.1	42	95	12	124	6	8.0
80	255	200	30	8	M27	101.6	46	102	12	136	8	11.0
100	300	235	33	8	M30	127.0	54	120	14	164	8	14.2
125	340	275	33	12	M30	152.4	60	140	16	200	8	16.0
150	390	320	36	12	M33	177.8	68	160	18	240	10	17.5
200	485	400	42	12	M39	244.5	82	190	25	305	10	25.0
250	585	490	48	16	M45	298.5	100	215	30	385	12	32.0
300b	690	590	52	16	M48	—	—	—	—	—	—	—
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 For flanges type 21. c For flanges type 11 use flanges PN 320.