Ferrobend | Industrial Flanges Manufacturer & Supplier

DIMENSIONAL DATA

DN	Outside Diameter (D)	Diameter of Bolt Circle (K)	Diameter of Bolt Hole (L)	Bolting Number	Bolting Size	Outside Diameter of Neck (A)ᵃ	Flange Thickness (C3)	Neck Diameters (N3)	Corner Radius (R1)
10	90	60	14	4	M12	17,2	16	28	4
15	95	65	14	4	M12	21,3	16	32	4
20	105	75	14	4	M12	26,9	18	40	4
25	115	85	14	4	M12	33,7	18	50	4
32	140	100	18	4	M16	42,4	18	60	6
40	150	110	18	4	M16	48,3	18	70	6
50	165	125	18	4	M16	60,3	20	84	6
65	185	145	18	8	M16	76,1	22	104	6
80	200	160	18	8	M16	88,9	24	120	8
100	235	190	22	8	M20	114,3	24	142	8
125	270	220	26	8	M24	139,7	26	162	8
150	300	250	26	8	M24	168,3	28	192	10
200	360	310	26	12	M24	219,1	30	252	10
250	425	370	30	12	M27	273,0	32	304	12
300	485	430	30	16	M27	323,9	34	364	12
350	555	490	33	16	M30	355,6	38	418	12
400	620	550	36	16	M33	406,4	40	472	12
450	670	600	36	20	M33	457,0	46	520	12
500	730	660	36	20	M33	508,0	48	580	12
600	845	770	39	20	M36	610,0	58	684	12
700	960	875	42	24	M39	711,0	b	780	12
800	1 085	990	48	24	M45	813,0	b	882	12
900	1 185	1 090	48	28	M45	914,0	b	982	12
1000	1 320	1 210	56	28	M52	1 016,0	b	1 086	16
1200^d	-	-	-	-	-	-	-	-	-
1400^d	-	-	-	-	-	-	-	-	-
1600^d	-	-	-	-	-	-	-	-	-
1800^d	-	-	-	-	-	-	-	-	-
2000^d	-	-	-	-	-	-	-	-	-

TABLE NOTE

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.

BS EN 1092-1
Type 21 Integral Flange PN 25

Need BS EN 1092-1 Type 21 Integral Flanges for Your Project?

BS EN 1092-1Type 21 Integral Flange PN 25

Need BS EN 1092-1 Type 21 Integral Flanges for Your Project?

BS EN 1092-1
Type 21 Integral Flange PN 25