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ANSI B 16.47

 
ASME B 16.47 Series A WNRF Flanges
 
150#
Nominal
Pipe
Size
Outside
Diam.
O
Thickness
WNF
C
Thickness
Blind
C
Length
thru
Hub
Y
Diam.
at Base
of Hub
X
Diam.
Hub at
Bevel
A
O.D. of
Race
Face
R
Bolt
Circle
Diameter
Number
of
Holes
Diam
of
Holes
Diam.
of
Bolt
in inch
Radius
at base
of
Hub
26" 870 68.3 68.3 120.7 676.1 660.4 749.3 806.5 24 35.1 1.1/4 9.7
28" 927.1 71.4 71.4 125.5 726.9 711.2 800.1 863.6 28 35.1 1.1/4 11.2
30" 984.3 74.7 74.7 136.7 781.1 762 857.3 914.4 28 35.1 1.1/4 11.2
32" 1060.5 81 81 144.5 831.9 812.8 914.4 977.9 28 41.1 1.1/2 11.2
34" 1111.3 82.6 82.6 149.4 882.7 863.6 965.2 1028.7 32 41.1 1.1/2 12.7
36" 1168.4 90.4 90.4 157.2 933.5 914.4 1022.4 1085.9 32 41.1 1.1/2 12.7
38" 1238.3 87.4 87.4 157.2 990.6 965.2 1073.2 1149.4 32 41.1 1.1/2 12.7
40" 1289.1 90.4 90.4 163.6 1041.4 1016 1124 1200.2 36 41.1 1.1/2 12.7
42" 1346.2 96.8 96.8 171.5 1092.2 1066.8 1193.8 1257.3 36 41.1 1.1/2 12.7
44" 1403.4 101.6 101.6 177.8 1143 1117.6 1244.6 1314.5 40 41.1 1.1/2 12.7
46" 1454.2 103.1 103.1 185.7 1196.8 1168.4 1295.4 1365.3 40 41.1 1.1/2 12.7
48" 1511.3 108 108 192 1247.6 1219.2 1358.9 1422.4 44 41.1 1.1/2 12.7
50" 1568.5 111.3 111.3 203.2 1301.8 1270 1459.7 1479.6 44 47.8 1.3/4 12.7
52" 1625.6 115.8 115.8 209.6 1352.6 1320.8 1460.5 1536.7 44 47.8 1.3/4 12.7
54" 1682.8 120.7 120.7 215.9 1403.4 1371.6 1511.3 1593.9 44 47.8 1.3/4 12.7
56" 1746.3 124 124 228.6 1457.5 1422.4 1574.8 1651 48 47.8 1.3/4 12.7
58" 1803.4 128.5 128.5 235 1508.3 1473.2 1625.6 1708.2 48 47.8 1.3/4 12.7
60" 1854.2 131.8 131.8 239.8 1559.1 1524 1676.4 1759 52 47.8 1.3/4 12.7
All dimensions are in mm
   
300#
Nominal
Pipe
Size
Outside
Diam.
O
Thickness
WNF
C
Thickness
Blind
C
Length
thru
Hub
Y
Diam.
at Base
of Hub
X
Diam.
Hub at
Bevel
A
O.D. of
Race
Face
R
Bolt
Circle
Diameter
Number
of
Holes
Diam
of
Holes
Diam.
of
Bolt
in inch
Radius
at base
of
Hub
26" 971.6 79.2 79.2 184.2 720.9 660.4 749.3 876.3 28 44.5 1.5/8 9.7
28" 1035.1 85.9 85.9 196.9 774.7 711.2 800.1 939.8 28 44.5 1.5/8 11.2
30" 1092.2 91.9 91.9 209.6 827 762 857.3 997 28 47.8 1.3/4 11.2
32" 1149.4 98.6 98.6 222.3 881.1 812.8 914.4 1054.1 28 50.8 1.7/8 11.2
34" 1206.5 101.6 101.6 231.6 936.8 863.6 965.2 1104.9 28 50.8 1.7/8 12.7
36" 1270 104.6 104.6 241.3 990.6 914.4 1022.4 1168.4 32 53.8 2 12.7
38" 1168.4 108 108 180.8 993.6 965.2 1028.7 1092.2 32 41.1 1.1/2 12.7
40" 1238.3 114.3 114.3 193.5 1047.8 1016 1085.9 1155.7 32 44.5 1.5/8 12.7
42" 1289.1 119.1 119.1 200.2 1098.6 1066.8 1136.7 1206.5 32 44.5 1.5/8 12.7
44" 1352.6 124 124 206.2 1149.4 1117.6 1193.8 1263.7 32 47.8 1.3/4 12.7
46" 1416.1 128.5 128.5 215.9 1203.5 1168.4 1244.6 1320.8 28 50.8 1.7/8 12.7
48" 1466.9 133.4 133.4 223.8 1254.3 1219.2 1301.8 1371.6 32 50.8 1.7/8 12.7
50" 1530.4 139.7 139.7 231.6 1305.1 1270 1358.9 1428.8 32 53.8 2 12.7
52" 1581.2 144.5 144.5 238.3 1355.9 1320.8 1409.7 1479.6 32 53.8 2 12.7
54" 1657.4 152.4 152.4 252.5 1409.7 1371.6 1466.9 1549.4 28 60.5 2.1/4 12.7
56" 1708.2 153.9 153.9 260.4 1463.5 1422.4 1517.7 1600.2 28 60.5 2.1/4 12.7
58" 1759 158.8 158.8 266.7 1514.3 1473.2 1574.8 1651 32 60.5 2.1/4 12.7
60" 1809.8 163.6 163.6 273.1 1565.1 1524 1625.6 1701.8 32 60.5 2.1/4 12.7
All dimensions are in mm
   
400#
Nominal
Pipe
Size
Outside
Diam.
O
Thickness
WNF
C
Thickness
Blind
C
Length
thru
Hub
Y
Diam.
at Base
of Hub
X
Diam.
Hub at
Bevel
A
O.D. of
Race
Face
R
Bolt
Circle
Diameter
Number
of
Holes
Diam
of
Holes
Diam.
of
Bolt
in inch
Radius
at base
of
Hub
26" 971.6 88.9 98.6 193.5 726.9 660.4 749.3 876.3 28 47.8 1.3/4 11.2
28" 1035.1 95.3 104.6 206.2 782.6 711.2 800.1 939.8 28 50.8 1.7/8 12.7
30" 1092.2 101.6 111.3 218.9 836.7 762 857.3 997 28 53.8 2 12.7
32" 1149.4 108 115.8 231.6 889 812.8 914.4 1054.1 28 53.8 2 12.7
34" 1206.5 111.3 122.2 241.3 944.6 863.6 965.2 1104.9 28 53.8 2 14.3
36" 1270 114.3 128.5 251 1000.3 914.4 1022.4 1168.4 32 53.8 2 14.3
38" 1206.5 124 124 206.2 1003.3 965.2 1035.1 1117.6 32 47.8 1.3/4 14.3
40" 1270 130 130 215.9 1054.1 1016 1092.2 1174.8 32 50.8 1.7/8 14.3
42" 1320.8 133.4 133.4 223.8 1107.9 1066.8 1143 1225.6 32 50.8 1.7/8 14.3
44" 1384.3 139.7 139.7 233.2 1158.7 1117.6 1200.2 1282.7 32 53.8 2 14.3
46" 1441.5 146.1 146.1 244.3 1212.9 1168.4 1257.3 1339.9 36 53.8 2 14.3
48" 1511.3 152.4 152.4 257 1267 1219.2 1308.1 1403.4 28 60.5 2.1/4 14.3
50" 1568.5 157.2 158.8 268.2 1320.8 1270 1361.9 1460.5 32 60.5 2.1/4 14.3
52" 1619.3 162.1 163.6 276.4 1371.6 1320.8 1412.7 1511.3 32 60.5 2.1/4 14.3
54" 1701.8 169.9 171.5 289.1 1425.4 1371.6 1470.2 1581.2 28 66.5 2.1/2 14.3
56" 1752.6 174.8 176.3 298.5 1479.6 1422.4 1527 1632 32 66.5 2.1/2 14.3
58" 1803.4 177.8 180.8 306.3 1530.4 1473.2 1577.8 1682.8 32 66.5 2.1/2 14.3
60" 1886 185.7 189 319 1584.5 1524 1635.3 1752.6 32 73.2 2.1/2 14.3
All dimensions are in mm
   
600#
Nominal
Pipe
Size
Outside
Diam.
O
Thickness
WNF
C
Thickness
Blind
C
Length
thru
Hub
Y
Diam.
at Base
of Hub
X
Diam.
Hub at
Bevel
A
O.D. of
Race
Face
R
Bolt
Circle
Diameter
Number
of
Holes
Diam
of
Holes
Diam.
of
Bolt
in inch
Radius
at base
of
Hub
26" 1016 108 125.5 222.3 747.8 660.4 749.3 914.4 28 50.8 1.7/8 12.7
28" 1073.2 111.3 131.8 235 803.1 711.2 800.1 965.2 28 53.8 2 12.7
30" 1130.3 114.3 139.7 247.7 862.1 762 857.3 1022.4 28 53.8 2 12.7
32" 1193.8 117.3 147.6 260.4 917.4 812.8 914.4 1079.5 28 60.5 2.1/4 12.7
34" 1244.6 120.7 153.9 269.7 973.1 863.6 965.2 1130.3 28 60.5 2.1/4 14.3
36" 1314.5 124 162.1 282.4 1031.7 914.4 1022.4 1193.8 28 66.5 2.1/2 14.3
38" 1270 152.4 155.4 254 1022.4 965.2 1054.1 1162.1 28 60.5 2.1/4 14.3
40" 1320.8 158.8 162.1 263.7 1073.2 1016 1111.3 1212.9 32 60.5 2.1/4 14.3
42" 1403.4 168.1 171.5 279.4 1127.3 1066.8 1168.4 1282.7 28 66.5 2.1/2 14.3
44" 1454.2 173 177.8 289.1 1181.1 1117.6 1225.6 1333.5 32 66.5 2.1/2 14.3
46" 1511.3 179.3 185.7 300 1234.9 1168.4 1276.4 1390.7 32 66.5 2.1/2 14.3
48" 1593.9 189 195.3 316 1289.1 1219.2 1333.5 1460.5 32 73.2 2.3/4 14.3
50" 1670.1 196.9 203.2 328.7 1343.2 1270 1384.3 1524 28 79.2 3 14.3
52" 1720.9 203.2 209.6 336.6 1394 1320.8 1435.1 1574.8 32 79.2 3 14.3
54" 1778 209.6 217.4 349.3 1447.8 1371.6 1492.3 1632 32 79.2 3 14.3
56" 1854.2 217.4 225.6 362 1501.6 1422.4 1543.1 1695.5 32 85.9 3.1/4 15.7
58" 1905 222.3 231.6 369.8 1552.4 1473.2 1600.2 1746.3 32 85.9 3.1/4 15.7
60" 1993.9 233.4 242.8 388.9 1609.9 1524 1657.4 1822.5 28 91.9 3.1/2 17.5
All dimensions are in mm
   
900#
Nominal
Pipe
Size
Outside
Diam.
O
Thickness
WNF
C
Thickness
Blind
C
Length
thru
Hub
Y
Diam.
at Base
of Hub
X
Diam.
Hub at
Bevel
A
O.D. of
Race
Face
R
Bolt
Circle
Diameter
Number
of
Holes
Diam
of
Holes
Diam.
of
Bolt
in inch
Radius
at base
of
Hub
26" 1085.9 139.7 160.3 285.8 774.7 660.4 749.3 952.5 20 73.2 2.3/4 11.2
28" 1168.4 142.7 171.5 298.5 831.9 711.2 800.1 1022.4 20 79.2 3 12.7
30" 1231.9 149.4 182.4 311.2 889 762 857.3 1085.9 20 49.2 3 12.7
32" 1314.5 158.8 193.5 330.2 946.2 812.8 914.4 1155.7 20 85.9 3.1/4 12.7
34" 1397 165.1 204.7 349.3 1006.3 863.6 965.2 1225.6 20 91.9 3.1/2 14.2
36" 1460.5 171.5 214.4 362 1063.8 914.4 1022.4 1289.1 20 91.9 3.1/2 14.2
38" 1460.5 190.5 215.9 352.6 1073.2 965.2 1098.6 1289.1 20 91.9 3.1/2 19.1
40" 1511.3 196.9 223.8 363.5 1127.3 1016 1162.1 1339.9 24 91.9 3.1/2 20.6
42" 1562.1 206.2 231.6 371.3 1176.3 1066.8 1212.9 1390.7 24 91.9 3.1/2 20.6
44" 1648 214.4 242.8 390.7 1234.9 1117.6 1270 1463.5 24 98.6 3.3/4 22.4
46" 1733.6 225.6 255.5 411 1292.4 1168.4 1333.5 1536.7 24 104.6 4 22.4
48" 1784.4 233.4 263.7 419.1 1343.2 1219.2 1384.3 1587.5 24 104.6 4 23.9
All dimensions are in mm
   
ASME B 16.47 Series B WNRF Flanges
   
150#
Nominal
Pipe
Size
Outside
Diam.
O
Thickness
WNF
C
Thickness
Blind
C
Length
thru
Hub
Y
Diam.
at Base
of Hub
X
Diam.
Hub at
Bevel
A
O.D. of
Race
Face
R
Bolt
Circle
Diameter
Number
of
Holes
Diam
of
Holes
Diam.
of
Bolt
in inch
Radius
at base
of
Hub
26" 785.9 41.1 44.5 88.9 684.3 661.9 711.2 744.5 36 22.4  3/4 9.7
28" 836.7 44.5 47.8 95.3 735.1 712.7 762 795.3 40 22.4  3/4 9.7
30" 887.5 44.5 50.8 100.1 787.4 763.5 812.8 846.1 44 22.4  3/4 9.7
32" 941.3 46 53.8 108 839.7 814.3 863.6 900.2 48 22.4  3/4 9.7
34" 1004.8 49.3 57.2 110.2 892 865.1 920.7 957.3 40 25.4  7/8 9.7
36" 1057.1 52.3 58.7 117.3 944.6 915.9 971.5 1009.6 44 25.4  7/8 9.7
38" 1124 53.8 63.5 124 997 968.3 1022.4 1069.8 40 28.4 1 9.7
40" 1174.8 55.6 66.5 128.5 1049.3 1019 1079.5 1120.6 44 28.4 1 9.7
42" 1225.6 58.7 68.3 133.4 1101.9 1069.8 1130.3 1171.4 48 28.4 1 11.2
44" 1276.4 60.5 71.4 136.7 1152.7 1120.6 1181.1 1222.2 52 28.4 1 11.2
46" 1341.4 62 74.7 144.5 1205 1171.4 1234.9 1284.2 40 31.8 1.1/8 11.2
48" 1392.2 65 77.7 149.4 1257.3 1222.2 1289.1 1335 44 31.8 1.1/8 11.2
50" 1443 68.3 80.8 153.9 1308.1 1273 1339.9 1385.8 48 31.8 1.1/8 11.2
52" 1494 69.9 84.1 157.3 1360.4 1323.8 1390.7 1436.6 52 31.8 1.1/8 11.2
54" 1549.4 71.4 87.4 162.1 1412.7 1374.6 1441.5 1492.3 56 31.8 1.1/8 11.2
56" 1600.2 73.2 90.4 166.6 1465.3 1425.4 1492.3 1543.1 60 31.8 1.1/8 14.3
58" 1674.9 74.7 93.5 174.8 1516.1 1476.2 1543.1 1611.4 48 35.1 1.1/4 14.3
60" 1725.7 76.2 96.8 179.3 1570 1527 1600.2 1662.2 52 35.1 1.1/4 14.3
All dimensions are in mm
   
300#
Nominal
Pipe
Size
Outside
Diam.
O
Thickness
WNF
C
Thickness
Blind
C
Length
thru
Hub
Y
Diam.
at Base
of Hub
X
Diam.
Hub at
Bevel
A
O.D. of
Race
Face
R
Bolt
Circle
Diameter
Number
of
Holes
Diam
of
Holes
Diam.
of
Bolt
in inch
Radius
at base
of
Hub
26" 866.6 88.9 88.9 144.5 701.5 665.2 736.6 803.1 32 35.1 1.1/4 14.2
28" 920.8 88.9 88.9 149.4 755.7 716 787.4 857.3 36 35.1 1.1/4 14.2
30" 990.6 93.7 93.7 158 812.8 768.4 844.6 920.8 36 38.1 1.3/8 14.2
32" 1054.1 103.1 103.1 168.1 863.6 819.2 901.7 977.9 32 41.1 1.1/2 15.7
34" 1107.9 103.1 103.1 173 917.4 870 952.5 1031.7 36 41.1 1.1/2 15.7
36" 1171.4 103.1 103.1 180.8 965.2 920.8 1009.7 1089.2 32 44.5 1.5/8 15.7
38" 1222.2 111.3 111.3 192 1016 971.6 1060.5 1140 36 44.5 1.5/8 15.7
40" 1273 115.8 115.8 198.4 1066.8 1022.4 1114.6 1190.8 40 44.5 1.5/8 15.7
42" 13333.5 119.1 119.1 204.7 1117.6 1074.7 1168.4 1244.6 36 47.8 1.3/4 15.7
44" 1384.3 127 127 214.4 1173.2 1125.5 1219.2 1295.4 40 47.8 1.3/4 15.7
46" 1460.5 128.5 130 222.3 1228.9 1176.3 1270 1365.3 36 50.8 1.7/8 15.7
48" 1511.3 128.5 134.9 223.8 1277.9 1227.1 1327.2 1416.1 40 50.8 1.7/8 15.7
50" 1562.1 138.2 139.7 235 1330.5 1277.9 1378 1466.9 44 50.8 1.7/8 15.7
52" 1612.9 142.7 144.3 242.8 1382.8 1328.7 1428.8 1517.7 48 50.8 1.7/8 15.7
54" 1673.4 136.7 149.4 239.8 1435.1 1379.5 1479.6 1577.8 48 50.8 1.7/8 15.8
56" 1765.3 153.9 157 268.2 1493.8 1430.3 1536.7 1651 36 60.5 2.1/4 17.6
58" 1827.3 153.9 162.1 274.6 1547.9 1481.1 1593.9 1713 40 60.5 2.1/4 17.6
60" 1878.1 150.9 166.6 271.5 1598.7 1531.9 1651 1763.8 40 60.5 2.1/4 17.6
All dimensions are in mm
   
400#
Nominal
Pipe
Size
Outside
Diam.
O
Thickness
WNF
C
Thickness
Blind
C
Length
thru
Hub
Y
Diam.
at Base
of Hub
X
Diam.
Hub at
Bevel
A
O.D. of
Race
Face
R
Bolt
Circle
Diameter
Number
of
Holes
Diam
of
Holes
Diam.
of
Bolt
in inch
Radius
at base
of
Hub
26" 850.9 88.9 88.9 149.4 688.8 660.4 711.2 781.1 28 38.1 1.3/8 11.2
28" 914.4 95.3 95.3 158.8 739.6 711.2 762 838.2 24 41.1 1.1/2 12.7
30" 971.6 101.6 101.6 169.9 793.8 762 819.2 895.4 28 41.1 1.1/2 12.7
32" 1035.1 108 108 179.3 844.6 812.8 873.3 952.5 28 44.5 1.5/8 12.7
34" 1085.9 111.3 111.3 187.5 898.7 863.6 927.1 1003.3 32 44.5 1.5/8 14.2
36" 1155.7 119.1 119.1 200.2 952.5 914.4 980.9 1066.8 28 47.8 1.3/4 14.2
All dimensions are in mm
   
600#
Nominal
Pipe
Size
Outside
Diam.
O
Thickness
WNF
C
Thickness
Blind
C
Length
thru
Hub
Y
Diam.
at Base
of Hub
X
Diam.
Hub at
Bevel
A
O.D. of
Race
Face
R
Bolt
Circle
Diameter
Number
of
Holes
Diam
of
Holes
Diam.
of
Bolt
in inch
Radius
at base
of
Hub
26" 889 111.3 111.3 180.8 698.5 660.4 726.9 806.5 28 44.5 1.5/8 12.7
28" 952.5 115.8 115.8 190.5 752.3 711.2 784.4 863.6 28 47.8 1.3/4 12.7
30" 1022.4 125.5 127 204.7 806.5 762 841.2 927.1 28 50.8 1.7/8 12.7
32" 1085.9 130 134.9 215.9 860.6 812.8 895.4 984.3 28 53.8 2 12.7
34" 1162.1 141.2 144.3 233.4 914.4 863.6 952.5 1054.1 24 60.5 2.1/4 14.2
36" 1212.9 146.1 150.9 242.8 968.2 914.4 1009.7 1104.9 28 60.5 2.1/4 14.2
All dimensions are in mm
   
900#
Nominal
Pipe
Size
Outside
Diam.
O
Thickness
WNF
C
Thickness
Blind
C
Length
thru
Hub
Y
Diam.
at Base
of Hub
X
Diam.
Hub at
Bevel
A
O.D. of
Race
Face
R
Bolt
Circle
Diameter
Number
of
Holes
Diam
of
Holes
Diam.
of
Bolt
in inch
Radius
at base
of
Hub
26" 1022.4 134.9 153.9 258.8 743 660.4 762 901.7 20 66.5 2.1/2 11.2
28" 1104.9 147.6 166.6 276.4 797.1 711.2 819.2 971.6 20 73.2 2.3/4 12.7
30" 1181.1 155.4 176 289.1 850.9 762 876.3 1035.1 20 79.2 3 12.7
32" 1238.3 160.3 185.7 303.3 908.1 812.8 927.1 1092.2 20 79.2 3 12.7
34" 1314.5 171.5 195.1 319 962.2 863.6 990.6 1155.7 20 85.9 3.1/4 14.2
36" 1346.2 173 201.7 325.4 1016 914.4 1028.7 1200.2 24 79.2 3 14.2
All dimensions are in mm
 
* There will may be typical error
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