Ferrobend | Industrial Flanges Manufacturer & Supplier

DIMENSIONAL DATA

DN	Outside Diameter of Flange (D)	Cast Iron Thickness (b) — CI	Ductile Iron Thickness (b) — DI	Diameter of Raised Face (d3)	Height of Raised Face (f)	Bolt Size (M)	Number of Drilling Holes (No.)	Bolt Hole diameter (d1)	Pitch Circle of Bolt Holes (d)	Neck Diameter (d2)	Radius (r)
10	90	16	N/A	41	2	M12	4	14	60	28	3
15	95	16	N/A	46	2	M12	4	14	65	32	3
20	105	18	N/A	56	2	M12	4	14	75	40	4
25	115	16	N/A	65	3	M12	4	14	85	50	4
32	140	18	N/A	76	3	M16	4	18	100	60	5
40	150	18	19	84	3	M16	4	18	110	70	5
50	165	20	19	99	3	M16	4	18	125	84	5
65	185	22	19	118	3	M16	8	18	145	104	6
80	200	24	19	132	3	M16	8	18	160	120	6
100	235	24	19	156	3	M20	8	22	190	142	6
125¹⁾	270	26	23,5	184	3	M24	8	26	220	162	6
150	300	28	26	211	3	M24	8	26	250	192	8
175¹⁾	350	34	28	260	3	M24	12	26	295	218	8
200	375	34	30	284	3	M24	12	26	320	254	8
225¹⁾	420	44	32	315	3	M30	12	33	355	275	10
250	450	38	34,5	345	3	M24	12	26	385	312	10
300	515	42	39,5	409	4	M30	16	33	450	378	10
350	580	46	44	465	4	M30	16	33	510	432	10
400	660	50	48	535	4	M36	16	39	585	498	10
450	685	57	49	560	4	M36	20	39	610	522	12
500	755	57	52	615	4	M36	20	39	670	576	12
550¹⁾	835	57	56	690	4	M42	20	45	740	617	12
600	890	72	58	735	5	M42	20	45	795	686	12
1) Non-preferred size.

SANS 1123
4000 kPa Type 1B Integral Cast Iron Flange