GB Standard Flange

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Mechanical parameters
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Parameters and character

标准号 Standard No	通径范围 Diameter Range	压力等级 Pressure Rating	常用材料 Conventional Materials
GB/T 9112-9123.4	DN10~DN2000	PN0.25 1.0 1.6 2.5 4.0 6.3 10.0 16.0 Mpa	GB1220 0Cr18Ni9/06Cr19Ni10 00Cr19Ni11/022Cr19Ni10 0Cr18Ni10Ti/06Cr18Ni11Ti 0Cr17Ni12Mo2/06Cr17Ni12M02 00Cr17Ni14Mo2/022Cr17Ni12M02
JBT 74-86.2	DN10~DN1600	PN0.25 0.6 1.0 1.6 2.5 4.0 6.3 10.0 16.0 20.0 Mpa
HG 20592-20626	DN10~DN2000	PN0.25 0.6 1.0 1.6 2.0 2.5 4.0 5.0 6.3 10.0 11.0 15.0 16.0 25.0 26.0 42.0 Mpa
SH 3406	DN10~DN1500	PN1.0 2.0 5.0 6.8 10.0 15.0 25.0 42.0 Mpa
GBT 17241.1-1724107	DN10~DN4000	PN0.25 0.6 1.0 1.6 2.0 2.5 4.0 5.0 Mpa
GB/T 15530.1-15530.8	DN10~DN1800	PN0.6 1.0 1.6 2.0 2.5 4.0 5.0 Mpa

JB/T 81-94 PN1.0MPa

Nominal Size	Outside Diameter Of Pipe A1		Outside Diameter Of Flang D	Sectional Dimensions Of Flang				Raised Face		Thickness Of Flange C	Inside Diameter Of Flange B1		b	Weight Kg
	Outside Diameter Of Pipe A1			K	L	Drillings		d	f		Inside Diameter Of Flange B1
	International A Pipe	China B Pipe		K	L	Nuber n	Thread Th	d	f		A	B
10	17.2	14	90	60	14	4	M12	40	2	12	18	15	3	0.46
15	21.3	18	95	65	14	4	M12	45	2	12	22	19	3	0.51
20	26.9	25	105	75	14	4	M12	55	2	14	27.5	26	3	0.75
25	33.7	32	115	85	14	4	M12	65	2	14	34.5	33	4	0.89
32	42.4	38	140/135	100	18	4	M16	78	2	16	43.5	39	4	1.4
40	48.3	45	150/145	110	18	4	M16	85	3	18	49.5	46	4	1.71
50	60.3	57	165/160	125	18	4	M16	100	3	18	61.5	59	4	2.09
65	76.1	76	185/180	145	18	4	M16	120	3	20	77.5	78	5	2.84
80	88.9	89	200/195	160	18	8/4	M16	135	3	20	90.5	91	5	3.24注意
100	114.3	108	220/215	180	18	8	M16	155	3	22	116	110	5	4.01
125	139.7	133	250/245	210	18	8	M16	185	3	24	141.5	135	5	5.4
150	168.3	159	285/280	240	23	8	M20	210	3	24	170.5	161	5	6.67
175		194	310	270	23	8	M20	240	3	24		196	6	7.44
200	219.1	219	340/335	295	23	8	M20	265	3	24	2215	222	7	8.24
225		245	365	325	23	8	M20	295	3	24		248	8	9.3
250	273	273	395/390	350	23	12	M20	320	3	26	276.5	276	9	10.7
300	323.9	325	445/440	400	23	12	M20	0.368	4	28	327.5	328	9	12.9
350	355.6	377	505/500	460	23	16	M20	428	4	28	359.5	380	10	15.9
400	406.4	426	565	515	26/25	16	M24/M22	482	4	30	411	430	10	21.8
450	457	480	615	565	26/25	20	M24/M22	532	4	30	462	484	10	24.4
500	508	530	670	620	26/25	20	M24/M22	585	4	32	513.5	534	10	27.7
600	610	630	780	725	30	20	M27	685	5	36	616.5	634	10	39.4
700	711	720	895	840	30	24	M27	800	5	36	715	724	10	53
800	813	820	1015/1010	950	34	24	M30	905	5	38	817	824	10	67
900	914	920	1115/1110	1050	34	28	M30	1005	5	38	918	924	10	76参考
1000	1016	1020	1230/1220	1160	36/34	28	M33/M30	1115	5	38	1020	1024	10	90参考
1100		1120	1340	1270	36	28	M33	1222	5	40		1124	10	125参考
1200	1219	1220	1455/1450	1380	39/41	32	M36	1325	5	44	1233	1224	12	143参考
1300		1320	1575	1490	41	32	M36	1420	5	46		1324	12	180参考
1400	1422	1420	1675	1590	42/48	36	M39/M42	1525	5	48	1426	1424	14	190参考
1500		1520	1785	1700	48	36	M42	1640	5	50		1524	14	225参考
1600	1626	1620	1915	1820	48/54	40	M45/M48	1750	5	52	1630	1624	16	275参考
1750		1820	2065	1970	54	44	M48	1900	5	54			16	310参考
1800	1829	2020	2115	2020	48/54	44	M45/M48	1950	5	56	1833		17	340参考
2000	2032		2325	2230	48/54	48	M45/M48	2100	5	60	2036		18	420参考
2200			2550	2440	56	52	M	2370	6	8			20	660参考

JB/T 81-94 PN1.6MPa

Nominal Size	Outside Dimeter Of Pipe A1		Outside Diameter Of Flang D	Sectional Dimensions Of Flang				Raised Face		Thickness Of Flange C	Inside Diameter Of Flange B1		b	Weight Kg
	Outside Dimeter Of Pipe A1			K	L	Drillings		d	f		Inside Diameter Of Flange B1
	International A Pipe	China B Pipe		K	L	Nuber n	Thread Th	d	f		B
10	17.2	14	90	60	14	4	M12	40	2	14	18	15	3	0.55
15	21.3	18	95	65	14	4	M12	45	2	14	22	19	3	0.71
20	26.9	25	105	75	14	4	M12	55	2	16	27.5	26	3	0.87
25	33.7	32	115	85	14	4	M12	65	2	18	34.5	33	4	1.18
32	42.4	38	140/135	100	18	4	M16	78	2	18	43.5	39	4	1.6
40	48.3	45	150/145	110	18	4	M16	85	3	20	49.5	46	4	2
50	60.3	57	165/160	125	18	4	M16	100	3	22	61.5	59	4	2.61
65	76.1	76	185/180	145	18	4	M16	120	3	24	77.5	78	5	3.45
80	88.9	89	200/195	160	18	8	M16	135	3	24	90.5	91	5	3.71
100	114.3	108	220/215	180	18	8	M16	155	3	24	116	110	5	4.8
125	139.7	133	250/245	210	18	8	M16	185	3	28	141.5	135	5	6.47
150	168.3	159	285/280	240	23	8	M20	210	3	28	170.5	161	5	7.92
175		194	310	270	23	8	M20	240	3	28		196	6	8.81
200	219.1	219	340/335	295	23	12	M20	265	3	30	2215	222	7	10.1
225		245	365	325	23	12	M20	295	3	30		248	8	11.2
250	273	273	405	355	26/25	12	M24/M22	320	3	32	276.5	276	9	15.7
300	323.9	325	460	410	26/25	12	M24/M22	375	4	32	327.5	328	9	18.1
350	355.6	377	520	470	26/25	16	M24/M22	436	4	34	359.5	380	10	23.3
400	406.4	426	580	525	30	16	M27	485	4	38	411	430	10	31
450	457	480	640	585	30	20	M27	515	4	42	462	484	10	40.2
500	508	530	715/705	650	34	20	M30	608	4	48	513.5	534	10	55.2
600	610	630	840	770	36/41	20	M33/M36	718	5	50	616.5	634	10	80.8
700	711	720	910	840	36/41	24	M33/M36	788	5	50	715	724	10	106.2
800	813	820	1025/1020	950	39/41	24	M36	898	5	52	817	824	10	130.5
900	914	920	1125/1120	1050	39/41	28	M36	998	5	44	918	924	10	91参考
1000	1016	1020	1255	1170	42/48	28	M39/M42	1110	5	46	1020	1024	10	127参考
1100		1120	1370	1280	42	28	M39	1222	5	50		1124	10	160参考
1200	1219	1220	1485	1390	48/54	32	M45/M48	1325	5	52	1223	1224	12	186参考
1300		1320	1585	1490	54	32	M48	1425	5	54		1324	12	215参考
1400	1422	1420	1685	1590	48/54	36	M45/M48	1525	5	58	1426	1424	14	245参考
1500		1520	1820	1710	54	36	M48	1640	5	60		1524	14	320参考
1600	1626	1620	1930	1820	55/58	40	M52	1750	5	64	1630	1624	16	360参考
1750			2080	1970	58	44	M52	1900	5	66			16	400参考
1800	1829	1820	2130	2020	55/58	44	M52	1950	5	68	1833	1824	17	430参考
2000	2032	2020	2345	2230	60	48	M56	2150	5	70	2036	2036	18	515参考

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GB Standard Flange

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GB Standard Flange

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