ASME B16 47 Class 75 Series B Flange

ASME B16.47 Series B Flanges Class 75 Dimensions and Technical Drawings

ASME B16.47 Series B 75# Welding Neck Flange with RF
ASME B16.47 Series B 75# Welding Neck Flange with RF
ASME B16.47 Series B Class 75 Blind Flange with RF
ASME B16.47 Series B Class 75 Blind Flange with RF

DOWNLOAD ASME B16.47 SERIES B FLANGES CLASS 75 DIMENSIONS AND TECHNICAL DRAWINGS PDF

75# B16.47 Series B Flanges Dimensions B16.47 Dimensions in MM

NPS D K G X
26 760 723.9 705 676
28 815 774.7 756 727
30 865 825.5 806 778
32 915 876.3 857 829
34 965 927.1 908 879
36 1035 992.2 965 935
38 1085 1043.0 1016 986
40 1135 1093.8 1067 1037
42 1185 1144.6 1118 1087
44 1250 1203.3 1175 1140
46 1300 1254.1 1226 1191
48 1355 1304.9 1276 1241
50 1405 1355.7 1327 1294
52 1455 1409.7 1378 1345
54 1510 1460.5 1429 1397
56 1575 1520.8 1486 1451
58 1625 1571.6 1537 1502
60 1675 1622.4 1588 1553

General Note:

  • All dimensions are in MM.
  • D: outside diameter of flange.
  • K: diameter of bolt circle.
  • G: diameter of raised face.
  • X: diameter of hub of WN flange.
NPS A TBL TWN Y
26 661.9 31.9 31.9 57
28 712.7 31.9 31.9 60
30 763.5 31.9 31.9 64
32 814.3 35.0 33.5 68
34 865.1 36.6 33.5 72
36 915.9 40.9 35.0 84
38 966.7 43.0 36.6 87
40 1017.5 43.0 36.6 91
42 1068.3 46.3 38.2 94
44 1119.1 47.7 41.4 103
46 1169.9 49.3 43.0 106
48 1220.7 52.5 44.6 110
50 1271.5 54.1 46.2 114
52 1322.3 55.7 46.2 119
54 1373.1 58.9 47.8 124
56 1423.9 60.4 49.3 133
58 1474.7 62.0 50.9 137
60 1525.5 65.2 54.1 143

General Note:

  • All dimensions are in MM.
  • A: Diameter of hub top of WN.
  • TBL: minimum thickness of blind flange.
  • TWN: minimum thickness of WN flange.
  • Y: length through hub of WN.
  • t: 2mm height of RF for Class 75 Series B flange.
NPS n d l r
26 36 3/4 5/8 8
28 40 3/4 5/8 8
30 44 3/4 5/8 8
32 48 3/4 5/8 8
34 52 3/4 5/8 8
36 40 7/8 3/4 10
38 40 7/8 3/4 10
40 44 7/8 3/4 10
42 48 7/8 3/4 10
44 36 1 7/8 10
46 40 1 7/8 10
48 44 1 7/8 10
50 44 1 7/8 10
52 48 1 7/8 10
54 48 1 7/8 10
56 40 1-1/8 1 11
58 44 1-1/8 1 11
60 44 1-1/8 1 11

General Note:

  • n: number of bolt holes.
  • d: diameter of bolt hole.
  • l: diameter of bolt.
  • r: minimum fillet radius for WN.
  • d and l are in inch units, while r is in mm unit.

ASME B16.47 Series B Class 75 Flanges Industries and Applications Widely used in the industries

  • Pumps, Valves, and vessels in manufacturing and food processing.
  • Pipe connections in industrial waterworks.
  • Heat exchangers and heating systems of all sizes.
  • Mining support.
  • Nuclear power systems.
  • Plumbing and mechanical systems.
  • Assemblies in the oil, gas, and petrochemical industries.
  • Fire protection systems.

ASME B16.47 Series B Class 75 Flanges Supply and Export Network List of Cities and Countries

Afghanistan Algeria Angola Argentina
Australia Austria Azerbaijan Bahrain
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Bolivia Brazil Bulgaria Canada
Chile China Colombia Costa Rica
Croatia Czech Republic Aberdeen Abu Dhabi
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Ernakulam Faridabad Geoje-si Gimhae-si
Granada Gurgaon Hanoi Haryana
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Hyderabad Indore Istanbul Jakarta
Jeddah
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Libya Lithuania Malaysia Mexico
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Peru Philippines Poland Portugal
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