DN	outside diameter D , in mm	diameter of bolt circle K , in mm	diameter of bolt hole L , in mm	number of bolts	bolts size	outside diameter of neck A , in mm	bore diameters B_1 , in mm	bore diameters B_2 , in mm	bore diameters B_3 , in mm	flange thickness C_1 , in mm	flange thickness C_2 , in mm	flange thickness C_3 , in mm	flange thickness C_4 , in mm	chamfer E , in mm	collar thickness F_1 , in mm	collar thickness F_2 , in mm	centre portion G_max , in mm	length H_1 , in mm	length H_2 , in mm	length H_3 , in mm	length H_4 , in mm	neck diameters N_1 , in mm	neck diameters N_2 , in mm	neck diameters N_3 , in mm	corner radius R_1 , in mm
10	90	60	14	4	M12	17.2	18	21	31	14	16	16	16	3	12	5	-	22	35	6	35	28	30	28	4
15	95	65	14	4	M12	21.3	22	25	35	14	16	16	16	3	12	5	-	22	38	6	38	32	35	32	4
20	105	75	14	4	M12	26.9	27.5	31	42	16	18	18	18	4	14	6	-	26	40	6	40	40	45	40	4
25	115	85	14	4	M12	33.7	34.5	38	49	16	18	18	18	4	14	7	-	28	40	6	40	46	52	50	4
32	140	100	18	4	M16	42.4	43.5	47	59	18	18	18	18	5	14	8	-	30	42	6	42	56	60	60	6
40	150	110	18	4	M16	48.3	49.5	53	67	18	18	18	18	5	14	8	-	32	45	7	45	64	70	70	6
50	165	125	18	4	M16	60.3	61.5	65	77	20	20	20	20	5	16	10	-	34	48	8	48	75	84	84	6
65	185	145	18	8	M16	76.1	77.5	81	96	22	22	22	22	6	16	11	55	38	52	10	52	90	104	104	6
80	200	160	18	8	M16	88.9	90.5	94	114	24	24	24	24	6	18	12	70	40	58	12	58	105	118	120	8
100	235	190	22	8	M20	114.3	116	120	138	26	24	24	24	6	20	14	90	44	65	12	65	134	145	142	8
125	270	220	26	8	M24	139.7	141.5	145	166	28	26	26	26	6	22	16	115	48	68	12	68	162	170	162	8
150	300	250	26	8	M24	168.3	170.5	174	194	30	28	28	28	6	24	18	140	52	75	12	75	192	200	192	10
200	375	320	30	12	M27	219.1	221.5	226	250	36	34	34	36	6	28	20	190	52	88	16	88	244	260	254	10
250	450	385	33	12	M30	273	276.5	281	312	42	38	38	38	8	30	22	235	60	105	18	105	306	312	312	12
300	515	450	33	16	M30	323.9	327.5	333	368	52	42	42	42	8	34	25	285	67	115	18	115	362	380	378	12
350	580	510	36	16	M33	355.6	359.5	365	418	58	46	46	46	8	36	28	330	72	125	20	125	408	424	432	12
400	660	585	39	16	M36	406.4	411	416	472	65	50	50	50	8	42	32	380	78	135	20	135	462	478	498	12
450	685	610	39	20	M36	457	462	467	510	-	57	57	57	8	46	-	425	84	135	20	-	500	522	522	12
500	755	670	42	20	M39	508	513.5	519	572	-	57	57	57	8	50	-	475	90	140	20	-	562	576	576	12
600	890	795	48	20	M45	610	616.5	622	676	-	72	72	72	8	54	-	575	100	150	20	-	666	686	686	12
700	995	900	48	24	M45	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
800	1140	1030	56	24	M52	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
900	1250	1140	56	28	M52	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
1000	1360	1250	56	28	M52	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
1200	1575	1460	62	32	M56	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
1400	1795	1680	62	36	M56	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
1600	2025	1900	70	40	M64	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-