KS B1503 5k Flange Dimensions

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Nominal Diameter of Flanges	Outside Diameter of Flanges D	flange Sectional Dimensions												Size Of Bolt	Welding
		Diameter of Bolt Circle C	Diameter Of raised Face g	Inside Dia. Of Flange do	Outside Diameter Of Applicable pipe	t	T	Hub Diameter		Radius r	Raised Face f	Hole Diameter Of H	Bolt Holes Number
								a	b						W1	W2
10	75	55	39	17.8	17.3	9	–	–	–	–	1	12	4	M10	5	2.5
15	80	60	44	22.2	21.7	9	–	–	–	–	1	12	4	M10	5	3
20	85	65	49	27.7	27.2	10	–	–	–	–	1	12	4	M10	5	3
25	95	75	59	34.5	34	10	–	–	–	–	1	12	4	M10	5	3
32	115	90	70	43.2	42.7	12	–	–	–	–	2	15	4	M12	6	3
40	120	95	75	49.1	48.6	12	–	–	–	–	2	15	4	M12	6	3
50	130	105	85	61.1	60.5	14					2	15	4	M12	6	3
65	155	130	110	77.1	76.3	14					2	15	4	M12	6	4
80	180	145	121	90	89.1	14					2	19	4	M16	6	4
90	190	155	131	102.6	101.6	14					2	19	4	M16	6	4
100	200	165	141	115.4	114.3	16					2	19	8	M16	7	4
125	235	200	176	141.2	139.8	16					2	19	8	M16	7	4
150	265	230	206	166.6	165.2	18					2	19	8	M16	7	5
175	300	260	232	192.1	190.7	18					2	23	8	M20	7.5	5
200	320	280	252	218	216.3	20					2	23	8	M20	8.5	6
225	345	305	277	243.7	241.8	20					2	23	12	M20	9	6
250	385	345	317	269.5	267.4	22					2	23	12	M20	10	6
300	430	390	360	321	318.5	22					3	23	12	M20	10	6
350	480	435	403	358.1	355.6	24					3	25	12	M22	12	7
400	540	495	463	409	406.4	24					3	25	16	M22	12	7
450	605	555	523	460	457.2	24	40	495	500	5	3	25	16	M22	12	7
500	655	605	573	511	508	24	40	546	552	5	3	25	20	M22	12	7
550	720	665	630	562	558.8	26	42	597	603	5	3	27	20	M24	12	7
600	770	715	680	613	609.6	26	44	648	654	5	3	27	20	M24	12	7
650	825	770	735	664	660.4	26	48	702	708	5	3	27	24	M24	12	7
700	875	820	785	715	711.2	26	48	751	758	5	3	27	24	M24	12	7
750	945	880	840	766	762	28	52	802	810	5	3	33	24	M30	12	7
800	995	930	890	817	812.8	28	52	854	862	5	3	33	24	M30	13	8
850	1045	980	940	868	863.6	28	54	904	912	5	3	33	24	M30	13	8
900	1095	1030	990	919	914.4	30	56	956	964	5	3	33	24	M30	13	8
1000	1195	1130	1090	1021	1016	32	60	1058	1066	5	3	33	28	M30	14	9
*(1100)	1305	1240	1200	1123	1117.6	32					3	33	28	M30
*1200	1420	1350	1305	1225	1219.2	34			–	–	3	33	32	M30
*1350	1575	1505	1460	–	1371.6	34	–	–	–	–	3	33	32	M30
*1500	1730	1660	1615	–	1524	36	–	–	–	–	3	33	36	M30

KS B1503 5k Flange Industries and Applications Widely used in the industries

KS B1503 5k Flange Supply and Export Network List of Cities and Countries