Flanges WN - Class 300 RF ASME 16.47 Series A

Expired

All dimensions are in "mm" unless noted otherwise.

Dimensions of Class 300 RF Weld Neck Flanges Series A 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)
26 971.6 79.2 184.2 720.9 660.4 749.3 876.3 28 44.5 41.4 9.7 283
28 1035.1 85.9 196.9 774.7 711.2 800.1 939.8 28 44.5 41.4 11.2 343
30 1092.2 91.9 209.6 827 762 857.3 997 28 47.8 44.5 11.2 395
32 1149.4 98.6 222.3 881.1 812.8 914.4 1054.1 28 50.8 47.8 11.2 455
34 1206.5 101.6 231.6 936.8 863.6 965.2 1104.9 28 50.8 47.8 12.7 511
36 1270 104.6 241.3 990.6 914.4 1022.4 1168.4 32 53.8 50.8 12.7 568
38 1168.4 108 180.8 993.6 965.2 1028.7 1092.2 32 41.1 38.1 12.7 318
40 1238.3 114.3 193.5 1054.6 1016 1085.9 1155.7 32 44.5 41.4 12.7 348
42 1289.1 119.1 200.2 1098.6 1066.8 1136.7 1206.5 32 44.5 41.4 12.7 420
44 1352.6 124 206.2 1149.4 1117.6 1193.8 1263.7 32 47.8 44.5 12.7 476
46 1416.1 128.5 215.9 1203.5 1168.4 1244.6 1320.8 28 50.8 47.8 12.7 549
48 1466.9 108 192 1247.6 1219.2 1358.9 1422.4 32 41.1 38.1 12.7 587
50 1530.4 139.7 231.6 1305.1 1270 1358.9 1428.8 32 53.8 50.8 12.7 664
52 1581.2 144.5 238.3 1355.9 1320.8 1409.7 1479.6 32 53.8 50.8 12.7 715
54 1657.4 152.4 252.5 1409.7 1371.6 1466.9 1549.4 28 60.5 57.2 12.7 857
56 1708.2 153.9 260.4 1463.5 1422.4 1517.7 1600.2 28 60.5 57.2 12.7 905
58 1759 158.8 266.7 1514.3 1473.2 1574.8 1651 32 60.5 57.2 12.7 952
60 1809.8 163.6 273.1 1565.1 1524 1625.6 1701.8 32 60.5 57.2 12.7 1015
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