Dimensions of PN 63 flanges

This diagram illustrates the arrangement but not necessarily the correct number of bolt holes

Flange type 01

Flange type 05

Flange type 11

Flange type 12

Flange type 13

Flange type 21

DN	Outside diameter $ D $ , in $ \mathrm{mm} $	Diameter of bolt circle $ K $ , in $ \mathrm{mm} $	Diameter of bolt hole $ L $ , in $ \mathrm{mm} $	Number of bolts	Bolts size	Outside diameter of neck $ A $ , in $ \mathrm{mm} $	Bore diameters $ B_1 $ , in $ \mathrm{mm} $	Flange thickness $ C_1 $ , in $ \mathrm{mm} $	Flange thickness $ C_2 $ , in $ \mathrm{mm} $	Flange thickness $ C_3 $ , in $ \mathrm{mm} $	Flange thickness $ C_4 $ , in $ \mathrm{mm} $	Centre portion $ G_{max} $ , in $ \mathrm{mm} $	Length $ H_1 $ , in $ \mathrm{mm} $	Length $ H_2 $ , in $ \mathrm{mm} $	Length $ H_3 $ , in $ \mathrm{mm} $	Neck diameters $ N_1 $ , in $ \mathrm{mm} $	Neck diameters $ N_2 $ , in $ \mathrm{mm} $	Neck diameters $ N_3 $ , in $ \mathrm{mm} $	Corner radius $ R_1 $ in $ \mathrm{mm} $
10	100	70	14	4	M12	17.2	18	20	20	20	20	-	28	45	6	32	40	40	4
15	105	75	14	4	M12	21.3	22	20	20	20	20	-	28	45	6	34	43	45	4
20	130	90	18	4	M16	26.9	27.5	22	22	22	22	-	30	48	8	42	52	50	4
25	140	100	18	4	M16	33.7	34.5	24	24	24	24	-	32	58	8	52	60	61	4
32	155	110	22	4	M20	42.4	43.5	24	24	26	24	-	32	60	8	62	68	68	6
40	170	125	22	4	M20	48.3	49.5	26	26	28	26	-	34	62	10	70	80	82	6
50	180	135	22	4	M20	60.3	61.5	26	26	26	26	-	36	62	10	82	90	90	6
65	205	160	22	8	M20	76.1	77.5	26	26	26	26	45	40	68	12	98	112	105	6
80	215	170	22	8	M20	88.9	90.5	30	28	28	28	60	44	72	12	112	125	122	8
100	250	200	26	8	M24	114.3	116	32	30	30	30	80	52	78	12	138	152	146	8
125	295	240	30	8	M27	139.7	141.5	34	34	34	34	105	56	88	12	168	185	177	8
150	345	280	33	8	M30	168.3	170.5	36	36	36	36	130	60	95	12	202	215	204	10
200	415	345	36	12	M33	219.1	221.5	48	42	42	42	180	-	110	16	256	-	264	10
250	470	400	36	12	M33	273	276.5	55	46	46	46	220	-	125	18	316	-	320	12
300	530	460	36	16	M33	323.9	327.5	65	52	52	52	270	-	140	18	372	-	378	12
350	600	525	39	16	M36	355.6	359.5	72	56	56	56	310	-	150	20	420	-	434	12
400	670	585	42	16	M39	406.4	411	80	60	60	60	360	-	160	20	475	-	490	12
500	800	705	48	20	M45	-	-	-	-	-	-	-	-	-	-	-	-	-	-
600	930	820	56	20	M52	-	-	-	-	-	-	-	-	-	-	-	-	-	-
700	1045	935	56	24	M52	-	-	-	-	-	-	-	-	-	-	-	-	-	-
800	1165	1050	62	24	M56	-	-	-	-	-	-	-	-	-	-	-	-	-	-
900	1285	1170	62	28	M56	-	-	-	-	-	-	-	-	-	-	-	-	-	-
1000	1415	1290	70	28	M64	-	-	-	-	-	-	-	-	-	-	-	-	-	-
1200	1665	1530	78	32	M72	-	-	-	-	-	-	-	-	-	-	-	-	-	-

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Dimensions of PN 63 flanges