EN 1092-1 PN 25 Type 12 Flange Dimension

ZHAO77JIE EN 1092-1 Dimension, Type 12

DN	Mating dimensions					Bore diameters	Flange thickness	Length	Neck diameters		Corner radii R₁
	Outside diameter D	Diameter of bolt circle K	Diameter of bolt hole L	Bolting		Bore diameters	Flange thickness	Length	Neck diameters
	Outside diameter D	Diameter of bolt circle K	Diameter of bolt hole L	Number	Size	B₁	C₂	H₁	N₂	N₃
10	90	60	14	4	M12	18.0	16	22	30	28	4
15	95	65	14	4	M12	22.0	16	22	35	32	4
20	105	75	14	4	M12	27.5	18	26	45	40	4
25	115	85	14	4	M12	34.5	18	28	52	50	4
32	140	100	18	4	M16	43.5	18	30	60	60	6
40	150	110	18	4	M16	49.5	18	32	70	70	6
50	165	125	18	4	M16	61.5	20	34	84	84	6
65	185	145	18	8	M16	77.5	22	38	104	104	6
80	200	160	18	8	M16	90.5	24	40	118	120	8
100	235	190	22	8	M20	116.0	24	44	145	142	8
125	270	220	26	8	M24	141.5	26	48	170	162	8
150	300	250	26	8	M24	170.5	28	52	200	192	10
200	360	310	26	12	M24	221.5	30	52	256	252	10
250	425	370	30	12	M27	276.5	32	60	310	304	12
300	485	430	30	16	M27	327.5	34	67	364	364	12
350	555	490	33	16	M30	359.5	38	72	418	418	12
400	620	550	36	16	M33	411.0	40	78	472	472	12
450	670	600	36	20	M33	462.0	46	84	520	520	12
500	730	660	36	20	M33	513.5	48	90	580	580	12
600	845	770	39	20	M36	616.5	48	100	684	684	12
700	960	875	42	24	M39	b	50	—	—	780	12
800	1 085	990	48	24	M45		53	—	—	882	12
900	1 185	1 090	48	28	M45		57	—	—	982	12
1 000	1 320	1 210	56	28	M52	b	63	—	—	1 086	16
1 200	d
1 400
1 600
1 800
2 000
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 DN 500. d Only mating dimensions fixed, see Annex J