ASME/ANSI B16.47 Flange Dimensions

ANSI/ASME B16.47 Series A Class 150

NPS A B
(WNF)		 B
(BLF)		 OD D H
26 676 66.7
68.3		 66.7
68.3		 660.4 870 119
120.6
28 727 69.9
71.5		 69.9
71.5		 711.2 925 124
125.6
30 781 73.1
74.7		 73.1
74.7		 762 985 135
136.6
32 832 79.4
81		 79.4
81		 812.8 1060 143
144.6
34 883 81
82.6		 81
82.6		 863.6 1110 148
149.6
36 933 88.9
90.5		 88.9
90.5		 914.4 1170 156
157.6
38 991 85.8
87.4		 85.8
87.4		 965.2 1240 156
157.6
40 1041 88.9
90.5		 88.9
90.5		 1016 1290 162
163.6
42 1092 95.3
96.9		 95.3
96.9		 1066.8 1345 170
171.6
44 1143 100.1
101.7		 100.1
101.7		 1117.6 1405 176
177.6
46 1197 101.6
103.2		 101.6
103.2		 1168.4 1455 184
185.6
48 1248 106.4
108		 106.4
108		 1219.2 1510 191
192.6
50 1302 109.6
111.2		 109.6
111.2		 1270 1570 202
203.6
52 1353 114.3
115.9		 114.3
115.9		 1320.8 1625 208
209.6
54 1403 119.1
120.7		 119.1
120.7		 1371.6 1685 214
215.6
56 1457 122.3
123.9		 122.3
123.9		 1422.4 1745 227
228.6
58 1508 127
128.6		 127
128.6		 1473.2 1805 233
234.6
60 1559 130.2
131.8		 130.2
131.8		 1524 1855 238
239.6

ANSI/ASME B16.47 Series A Class 300

NPS D B
(WNF)		 B
(BLF)		 OD H A
26 970 77.8
79.4		 82.6
84.2		 660.4 183
184.6		 721
28 1035 84.2
85.8		 88.9
90.5		 711.2 195
196.6		 775
30 1090 90.5
92.1		 93.7
95.3		 762 208
209.6		 827
32 1150 96.9
98.5		 98.5
100.1		 812.8 221
222.6		 881
34 1205 100.1
101.7		 103.2
104.8		 863.6 230
231.6		 937
36 1270 103.2
104.8		 109.6
111.2		 914.4 240
241.6		 991
38 1170 106.4
108		 106.4
108		 965.2 179
180.6		 994
40 1240 112.8
114.4		 112.8
114.4		 1016 192
193.6		 1048
42 1290 117.5
119.1		 117.5
119.1		 1066.8 198
199.6		 1099
44 1355 122.3
123.9		 122.3
123.9		 1117.6 205
206.6		 1149
46 1415 127
128.6		 127
128.6		 1168.4 214
215.6		 1203
48 1465 131.8
133.4		 131.8
133.4		 1219.2 222
223.6		 1254
50 1530 138.2
139.8		 138.2
139.8		 1270.2 230
231.6		 1305
52 1580 142.9
144.5		 142.9
144.5		 1320.8 237
238.6		 1356
54 1660 150.9
152.5		 150.9
152.5		 1371.6 251
252.6		 1410
56 1710 152.4
154		 152.4
154		 1422.4 259
260.6		 1464
58 1760 157.2
158.8		 157.2
158.8		 1473.2 265
266.6		 1514
60 1810 162
163.6		 162
163.6		 1524 271
272.6		 1564

ANSI/ASME B16.47 Series A Class 400

NPS A B
(WNF)		 B
(BLF)		 OD D H
26 727 88.9
95.25		 98.5
104.85		 660.4 970 194
200.35
28 783 95.3
101.65		 104.8
111.15		 711.2 1035 206
212.35
30 837 101.6
107.95		 111.2
117.55		 762 1090 219
225.35
32 889 108
114.35		 115.9
122.25		 812.8 1150 232
238.35
34 945 111.2
117.55		 122.3
128.65		 863.6 1205 241
247.35
36 1000 114.3
120.65		 128.6
134.95		 914.4 1270 251
257.35
38 1003 123.9
130.25		 123.9
130.25		 965.2 1205 206
212.35
40 1054 130.2
136.55		 130.2
136.55		 1016 1270 216
222.35
42 1108 133.4
139.75		 133.4
139.75		 1066.8 1320 224
230.35
44 1159 139.7
146.05		 139.7
146.05		 1117.6 1385 233
239.35
46 1213 146.1
152.45		 146.1
152.45		 1168.4 1440 244
250.35
48 1267 152.4
158.75		 152.4
158.75		 1219.2 1510 257
263.35
50 1321 157.2
163.55		 158.8
165.15		 1270.2 1570 268
274.35
52 1372 162
168.35		 163.6
169.95		 1320.8 1620 276
282.35
54 1426 169.9
176.25		 171.5
177.85		 1371.6 1700 289
295.35
56 1480 174.7
181.05		 176.3
182.65		 1422.4 1755 298
304.35
58 1530 177.8
184.15		 181
187.35		 1473.2 1805 306
312.35
60 1584 185.8
192.15		 189
195.35		 1524 1885 319
325.35

ANSI/ASME B16.47 Series A Class 600

NPS A B
(WNF)		 B
(BLF)		 OD D H
26 748 108
114.35		 125.5
131.85		 660.4 1015 222
228.35
28 803 111.2
117.55		 131.8
138.15		 711.2 1075 235
241.35
30 862 114.3
120.65		 139.7
146.05		 762 1130 248
254.35
32 918 117.5
123.85		 147.7
154.05		 812.8 1195 260
266.35
34 973 120.7
127.05		 154
160.35		 863.6 1245 270
276.35
36 1032 123.9
130.25		 162
168.35		 914.4 1315 283
289.35
38 1022 152.4
158.75		 155
161.35		 965.2 1270 254
260.35
40 1073 158.8
165.15		 162
168.35		 1016 1320 264
270.35
42 1127 168.3
174.65		 171.5
177.85		 1066.8 1405 279
285.35
44 1181 173.1
179.45		 177.8
184.15		 1117.6 1455 289
295.35
46 1235 179.4
185.75		 185.8
192.15		 1168.4 1510 300
306.35
48 1289 189
195.35		 195.3
201.65		 1219.2 1595 316
322.35
50 1343 196.9
203.25		 203.2
209.55		 1270.2 1670 329
335.35
52 1394 203.2
209.55		 209.6
215.95		 1320.8 1720 337
343.35
54 1448 209.6
215.95		 217.5
223.85		 1371.6 1780 349
355.35
56 1502 217.4
223.75		 225.5
231.85		 1422.4 1855 362
368.35
58 1553 222.3
228.65		 231.8
238.15		 1473.2 1905 370
376.35
60 1610 233.4
239.75		 242.9
249.25		 1524 1995 389
395.35

ANSI/ASME B16.47 Series A Class 900

NPS A B
(WNF)		 B
(BLF)		 OD D H
26 775 139.7
146.05		 160.4
166.75		 660.4 1085 286
292.35
28 832 142.9
149.25		 171.5
177.85		 711.2 1170 298
304.35
30 889 149.3
155.65		 182.6
188.95		 762 1230 311
317.35
32 946 158.8
165.15		 193.7
200.05		 812.8 1315 330
336.35
34 1006 165.1
171.45		 204.8
211.15		 863.6 1395 349
355.35
36 1064 171.5
177.85		 214.4
220.75		 914.4 1460 362
368.35
38 1073 190.5
196.85		 215.9
222.25		 965.2 1460 352
358.35
40 1127 196.9
203.25		 223.9
230.25		 1016 1510 364
370.35
42 1176 206.4
212.75		 231.8
238.15		 1066.8 1560 371
377.35
44 1235 214.4
220.75		 242.9
249.25		 1117.6 1650 391
397.35
46 1292 225.6
231.95		 255.6
261.95		 1168.4 1735 411
417.35
48 1343 233.4
239.75		 263.6
269.95		 1219.2 1785 419
425.35
NPS No of
Bolts		 L G K Stud Bolt
Dia x L
26 20 73 749 952.5 2.3/4 476
28 20 79.4 800 1022.4 3 501
30 20 79.4 857 1085.8 3 520
32 20 85.7 914 1155.7 3.1/4 558
34 20 92.1 965 1225.6 3.1/2 584
36 20 92.1 1022 1289 3.1/2 603
38 20 92.1 1099 1289 3.1/2 622
40 24 92.1 1162 1339.8 3.1/2 635
42 24 92.1 1213 1390.6 3.1/2 654
44 24 98.4 1270 1463.7 3.3/4 685
46 24 104.8 1334 1536.7 4 723
48 24 104.8 1384 1587.5 4 736