EN 1092-1 PN 16 Type 05 Flange Dimension

ZHAO77JIE EN 1092-1 Dimension, Type 05

DN	Mating dimensions						Centre portion
	Outside diameter	Diameter of bolt circle	Diameter of bolt hole	Bolting			Centre portion
	D	K	L	Number	Size	C₄	Gmax
10	90	60	14	4	M12	16	—
15	95	65	14	4	M12	16	—
20	105	75	14	4	M12	18	—
25	115	85	14	4	M12	18	—
32	140	100	18	4	M16	18	—
40	150	110	18	4	M16	18	—
50	165	125	18	4	M16	18	—
65	185	145	18	8b	M16	18	55
80	200	160	18	8	M16	20	70
100	220	180	18	8	M16	20	90
125	250	210	18	8	M16	22	115
150	285	240	22	8	M20	22	140
200	340	295	22	12	M20	24	190
250	405	355	26	12	M24	26	235
300	460	410	26	12	M24	28	285
350	520	470	26	16	M24	30	330
400	580	525	30	16	M27	32	380
450	640	585	30	20	M27	40	425
500	715	650	33	20	M30	44	475
600	840	770	36	20	M33	54	575
700	910	840	36	24	M33	58	670
800	1 025	950	39	24	M36	62	770
900	1 125	1 050	39	28	M36	64	860
1 000	1 255	1 170	42	28	M39	68	960
1 200	1 485	1 390	48	32	M45	—	1 160
1 400	1 685	1 590	48	36	M45	—	1 346
1 600	1 930	1 820	56	40	M52	—	1 546
1 800	2 130	2 020	56	44	M52	—	1 746
2 000	2 345	2 230	62	48	M56	—	1 950
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 According to EN 1092-2 (Cast iron flanges) and EN 1092-3 (Copper alloy flanges), the flanges in this DN and PN may be supplied with 4 holes. Where steel flanges are required with 4 holes, these may be supplied by agreement between flange manufacturer and purchaser. c To be specified by the purchaser. d Use is limited up to DN 600.