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hebeihaihao

Hebei haihao high pressure flange & pipe fitting group was established in 1982, located in Mengcun County the hometown of pipe fittings in China.


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ASME B16.47 Series B Blind Flange/Blank Flange Dimensions


A blind flange is a solid disk used to block off a pipeline or to create a stop. It is machined in the same manner as a regular flange with the mounting holes around the perimeter and the gasket sealing rings machined into the mating surface. The difference is that a blind flange has no opening to allow fluid to pass through. The blind flange can be inserted between two open flanges and used to block off the flow of liquid through a pipeline.

ASME B16.47 Series A 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 A 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< /td> 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 A 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 A 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 A 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 A 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

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