ASME B16 47 Class 300 Series B Flange

ASME B16.47 Series B Flanges Class 300 Dimensions and Technical Drawings

ASME B16.47 Series B 300# Welding Neck Flange with RF
ASME B16.47 Series B 300# Welding Neck Flange with RF
ASME B16.47 Series B Class 300 Blind Flange with RF
ASME B16.47 Series B Class 300 Blind Flange with RF

DOWNLOAD ASME B16.47 Series B Flanges Class 300 Dimensions and Technical Drawings PDF

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

NPS D K G X
26 865 803.3 737 702
28 920 857.2 787 756
30 990 920.8 845 813
32 1055 977.9 902 864
34 1110 1031.9 953 918
36 1170 1089.0 1010 965
38 1220 1139.8 1060 1016
40 1275 1190.6 1114 1067
42 1335 1244.6 1168 1118
44 1385 1295.4 1219 1173
46 1460 1365.2 1270 1229
48 1510 1416.0 1327 1278
50 1560 1466.8 1378 1330
52 1615 1517.6 1429 1383
54 1675 1578.0 1480 1435
56 1765 1651.0 1537 1494
58 1825 1712.9 1594 1548
60 1880 1763.7 1651 1599

General Note:

  • All dimensions are in MM.
  • D: outside diameter of flange.
  • K: diameter of bolt circle.
  • G: outside diameter of raised face.
  • X: diameter of hub of WN flange.
NPS A TBL TWN Y
26 665.2 87.4 87.7 143
28 716.0 87.4 87.4 148
30 768.4 92.1 92.1 156
32 819.2 101.6 101.6 167
34 870.0 101.6 101.6 171
36 920.8 101.6 101.6 179
38 971.6 109.6 109.6 191
40 1022.4 114.3 114.3 197
42 1074.7 117.5 117.5 203
44 1125.5 125.5 125.5 213
46 1176.3 128.6 127.0 221
48 1227.1 133.4 127.0 222
50 1277.9 138.2 136.6 233
52 1328.7 142.6 141.3 241
54 1379.5 147.7 135.0 238
56 1430.3 155.4 152.4 267
58 1481.1 160.4 152.4 273
60 1531.9 165.1 149.3 270

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 300 Series B flange.
NPS n d l r
26 32 1-3/8 1-1/4 14
28 36 1-3/8 1-1/4 14
30 36 1-1/2 1-3/8 14
32 32 1-5/8 1-1/2 16
34 36 1-5/8 1-1/2 16
36 32 1-3/4 1-5/8 16
38 36 1-3/4 1-5/8 16
40 40 1-3/4 1-5/8 16
42 36 1-7/8 1-3/4 16
44 40 1-7/8 1-3/4 16
46 36 2 1-7/8 16
48 40 2 1-7/8 16
50 44 2 1-7/8 16
52 48 2 1-7/8 16
54 48 2 1-7/8 16
56 36 2-3/8 2-1/4 17
58 40 2-3/8 2-1/4 17
60 40 2-3/8 2-1/4 17

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 300 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 300 Flanges Supply and Export Network List of Cities and Countries

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Jeddah
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