Flange PN 0.6MPa

Nominal diameter DN	Outer diameter of the pipe		Connection size					Flange thickness	Inner diameter of flange		fillet	To the corner	对焊环				Theoretical weight (kg)
	Outer diameter of the pipe		Outer diameter of flange	Diameter of the center circle of the screw hole	Diameter of the center circle of the screw hole	Number of bolt holes	thread		Inner diameter of flange				height	external diameter	S	S2	Theoretical weight (kg)
		B	Outer diameter of flange	Diameter of the center circle of the screw hole	Diameter of the center circle of the screw hole	Number of bolt holes	thread		A	B			height	external diameter	S	S2	Welding ring	flange
10	17.2	14	75	50	11	4	M10	12	21	18	2	2	28	33	1.8	1.8	0.03	0.36
15	21.3	18	80	55	11	4	M10	12	25	22	2	2	30	38	2.0	2.0	0.04	0.40
20	26.9	25	90	65	11	4	M10	14	31	29	2	2	32	48	2.3	2.3	0.08	0.58
25	33.7	32	100	75	11	4	M10	14	38	36	3	3	35	58	2.6	2.6	0.11	0.71
32	42.4	38	120	90	14	4	M12	16	47	42	3	3	35	69	2.6	2.6	0.16	1.17
40	48.3	45	130	100	14	4	M12	16	53	50	3	3	38	78	2.6	2.6	0.19	1.34
50	60.3	57	140	110	14	4	M12	16	65	62	3	3	38	88	2.9	2.9	0.27	1.48
66	76.1	76	160	130	14	4	M12	16	81	81	3	3	38	108	2.9	2.9	0.37	1.80
80	88.9	89	190	150	18	4	M16	18	94	94	4	4	42	124	3.2	3.2	0.52	2.88
100	114.3	108	210	170	18	4	M16	18	120	114	4	4	45	144	3.6	3.6	0.71	3.31
125	139.7	133	240	200	18	8	M16	18	145	139	4	4	48	174	4.0	4.0	1.07	3.96
150	168.3	159	265	225	18	8	M16	20	174	165	4	4	48	199	4.5	4.5	1.43	4.98
200	219.1	219	320	280	18	8	M16	22	226	226	5	5	55	254	5.9	5.9	2.62	6.61
250	273	273	375	335	18	12	M16	24	281	281	5	5	60	309	6.3	6.3	3.71	8.54
300	323.9	325	440	395	22	12	M20	24	333	334	5	5	62	363	7.1	7.1	5.04	11.3
350	355.6	377	490	445	22	12	M20	26	365	386	5	5	62	413	7.1	7.1	6.75	13.7
400	406.4	426	540	495	22	16	M20	28	416	435	5	5	65	463	7.1	7.1	8.04	16.3
450	457	480	595	550	22	16	M20	30	467	490	5	5	65	518	7.1	7.1	9.52	19.6
500	508	530	645	600	22	20	M20	32	519	541	6	6	68	568	7.1	7.1	11.4	22.4
600	610	630	755	705	26	20	M24	36	622	642	6	6	70	667	7.1	7.1	14.6	32.0