ASME B16.47 Series B Blind Flange Dimensions

Author : admin

Update time : 2026-04-09 10:25:27

ASME B16.47 Series B Blind Flange Dimensions

ASME B16.47 Series B Blind Flange Class 75 LBS Dimensions

NPS	D	L	Holes	B	G	Weight
26″	762	19.1	36	33.27	704.9	116.41
28″	813	19.1	40	33.27	755.7	132.59
30″	864	19.1	44	33.27	806.5	149.83
32″	941	19.1	48	36.58	857.3	195.75
34″	965	19.1	52	38.1	908.1	214.29
36″	1034	22.4	40	42.42	965.2	274.37
38″	1084	22.4	40	44.45	1016	316.52
40″	1135	22.4	44	44.45	1066.8	346.99
42″	1186	22.4	48	47.75	1117.6	407.01
44″	1251	25.4	36	49.28	1174.8	468.44
46″	1302	25.4	40	50.8	1225.6	522.86
48″	1353	25.4	44	53.85	1276.4	598.35

ASME B16.47 Series B Blind Flange Class 125 LBS Dimensions

NPS	D	L	Holes	B	G	Weight
26″	870	35	24	50.8		227.85
28″	927	35	28	52.4		266.54
30″	984	35	28	54		310.94
32″	1061	41	28	57.2		380.4
34″	1111	41	32	58.7		427.24
36″	1169	41	32	50.3		407.11
38″	1238	41	32	60.3		549.8
40″	1289	41	36	63.5		626.8
42″	1346	41	36	66.7		720.15
44″	1404	41	40	66.7		782.97
46″	1454	41	40	68.3		861.93
48″	1511	41	44	69.9		952.06
50″	1569	48	44	69.9		1017.23
52″	1626	48	44	73		1144.31
54″	1683	48	44	76.2		1283.08
60″	1854	48	52	79.4		1624.02
66″	2032	48	52	85.7		2118.36
72″	2197	48	60	88.9		2569.81
84″	2534	54	64	98.4		3782.32
96″	2877	61	68	108		5342.93

ASME B16.47 Series B Blind Flange Class 300 LBS Dimensions

NPS	D	L	Holes	B	G	Weight
26″	785.88	22.35	36	44.45	711.2	163.4
28″	836.68	22.35	40	47.75	762	199.22
30″	887.48	22.35	44	50.8	812.8	238.76
32″	941.32	22.35	48	53.85	863.6	285.08
34″	1004.8	25.4	40	57.15	920.8	345.31
36″	1057.1	25.4	44	58.67	971.6	392.51
38″	1124	28.45	40	63.5	1022.4	480.11
40″	1174.8	28.45	44	66.55	1079.5	549.91
42″	1225.6	28.45	48	68.33	1130.3	614.6
44″	1276.4	28.45	52	71.37	1181.1	696.47
46″	1341.4	31.75	40	74.68	1234.9	807.6
48″	1392.2	31.75	44	77.72	1289.1	905.2
26″	867	34.9	32	88.9	736.6	388.96
28″	921	34.9	36	88.9	787.4	439.07
30″	991	38.1	36	93.7	844.6	535.02
32″	1054	41.3	32	103.2	901.7	669.71
34″	1108	41.3	36	103.2	952.5	739.5
36″	1172	44.4	32	103.2	1009.6	830.96
38″	1222.2	44.4	36	111.3	1060.5	973.4
40″	1273	44.4	40	115.8	1114.6	1097.73
42″	1334	47.6	36	119.1	1168.4	1243.54
44″	1384.3	47.6	40	127	1219.2	1426.15
46″	1460.5	50.8	36	130.1	1270	1632.23
48″	1511	50.8	40	135	1327.2	1810.26

ASME B16.47 Series B Blind Flange Class 400 LBS Dimensions

NPS	D	L	Holes	B	G	Weight
26″	850.9	38.1	28	88.9	711.2	367.61
28″	914.4	41.15	24	95.25	762	458.74
30″	971.55	41.15	28	101.6	819.15	552.74
32″	1035.1	44.45	28	107.95	873.25	666.35
34″	1085.9	44.45	32	111.25	927.1	755.39
36″	1155.7	47.75	28	119.13	980.95	922

ASME B16.47 Series B Blind Flange Class 600 LBS Dimensions

NPS	D	L	Holes	B	G	Weight
26″	889	44.45	28	111.25	726.95	496.05
28″	952.5	47.75	28	115.82	784.35	593.33
30″	1022.4	50.8	28	127	841.25	751.51
32″	1085.9	53.85	28	134.87	895.35	901.4
34″	1162.1	60.45	24	144.27	952.5	1109.29
36″	1212.9	60.45	28	150.88	1009.7	1259.63

ASME B16.47 Series B Blind Flange Class 900 LBS Dimensions

NPS	D	L	Holes	B	G	Weight
26″	1022.4	66.55	20	153.92	762	893.18
28″	1104.9	73.15	20	166.62	819.15	1126.83
30″	1181.1	79.25	20	176.02	876.3	1357.94
32″	1238.3	79.25	20	185.67	927.1	1590.05
34″	1314.5	85.85	20	195.07	990.6	1877.38
36″	1346.2	79.25	24	201.68	1028.7	2042.37

　　A blind flange is a solid flange without a central opening, specifically designed to seal pipe ports. To ensure a tight fit with the pipe flange, blind flanges have various sealing surfaces, commonly including flat face (FF), raised face (RF), and male and female face (MFM). Please feel free to email us with any questions about blind flanges: sale@stpipefitting.cn

Previous : ASME B16.5 Weld Neck Flange/WN Flange Dimensions

Next : API 605/ASME B16.47 Series B Welding Neck Flanges Dimensions

GOST 12820 Steel Plate Flanges

Jun .25.2026

GOST-12820 is standards for steel plate flat welding flanges formulated by the Russian Standardization Organization. It is applicable to pipe and valve connections.

DIN2573 PN6 Plate Flange

Jun .23.2026

DIN2573 PN6 Plate Flange dimensions of this standard can be used at maximum 120°C temperature with up to 6 bar of working pressure.

GOST 12836 Blind Flange Dimensions PN40 4.0Mpa

Jun .16.2026

GOST Flanges are flanges manufactured according to the standards set by the Russian State Standard (GOST), which defines the specifications for flanges used in various industries, particularly in Russia and other former Soviet states.