Flanges WN - Class 300 RF ASME 16.47 Series B

Expired

All dimensions are in "mm" unless noted otherwise.

Dimensions of Class 300 RF Weld Neck Flanges Series B as per ASME B16.47.

Weld Neck Flange

Nominal
Pipe Size		 OD of
Flange
(O)		 Thickness
of Flange
(C)		 Length
thru Hub
(V)		 Dia of
Hub at base
(X)		 Dia of
Hub at end
(A)		 Dia of
Raised Face
(R)		 Dia of
Bolt Circle		 No of
Bolt
Holes		 Dia of
Bolt
Holes		 Dia of
Bolt		 Fillet
Radius
(r1)		 Approx
Weight
(kg)
26 299.6 88.9 144.5 701.5 665.2 936.6 803.1 32 35.1 31.8 14.2 185
28 920.8 88.9 149.4 755.7 716 787.4 857.3 36 35.1 31.8 14.2 202
30 990.6 93.7 158 812.8 768.4 844.6 920.8 36 38.1 34.9 14.2 246
32 1054.1 103.1 168.1 863.6 819.2 901.7 977.9 32 41.1 38.1 15.7 302
34 1107.9 103.1 173 917.4 870 952.6 1031.7 36 41.1 38.1 15.7 324
36 1171.4 103.1 180.8 965.2 920.8 1009.7 1089.7 32 44.5 41.3 15.7 363
38 1222.2 111.3 192 1016 971.6 1066.5 1140 36 44.5 41.3 15.7 407
40 1273 115.8 198.4 1066.8 1022.4 1114.6 1190.8 40 44.5 41.3 15.7 440
42 1333.5 119.1 204.7 1117.6 1074.7 1168.4 1244.6 36 47.8 44.5 15.7 489
44 1384.3 127 214.4 1173.2 1125.2 1219.2 1295.4 40 47.8 44.5 15.7 541
46 1460.5 128.5 222.3 1228.9 1176.3 1270 1365.3 36 50.8 47.6 15.7 637
48 1511.3 128.5 223.8 1277.9 1227.1 1327.2 1416.1 40 50.8 47.6 15.7 656
50 1562.1 138.2 235 1330.5 1277.9 1378 1466.9 44 50.8 47.6 15.7 724
52 1612.9 142.7 242.8 1382.8 1328.7 1428.8 1517.7 48 50.8 47.6 15.7 772
54 1673.4 136.7 239.8 1435.1 1379.5 1479.6 1577.8 48 50.8 47.6 15.7 803
56 1765.3 153.9 268.2 1493.8 1430.3 1536.7 1651 36 60.5 57.2 17.5 1075
58 1827.3 153.9 274.6 1547.9 1481.1 1593.9 1713 40 60.5 57.2 17.5 1132
60 1878 150.9 271.5 1598.7 1531.9 1651 1763.8 40 60.5 57.2 17.5 1168
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