Dimensions for Welding Neck Flanges 900 Class, Series A
900 lb/sq. in
Weld Neck flanges as per ASME B16.47/ANSI B16.47 900#/900 LBS in mm
| Pipe | Flange | Hub | Raised face | Drilling Template | Approx Weight | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nom. | OD | D | J | b | h | a | m | g | Number | I | k | |
| Size | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | Killo | |
| 26'' | 660.4 | 1085.8 | To be | 139.7 | 285.7 | To be | 774.4 | 749.3 | 20 | 73.0 | 952.5 | Wts. on |
| 28" | 711.2 | 1168.4 | specified | 142.9 | 298.4 | specified | 831.8 | 800.1 | 20 | 79.4 | 1022.3 | Application |
| 30" | 762.0 | 1231.9 | by purchaser | 149.2 | 311.1 | by purchaser | 889.0 | 857.2 | 20 | 79.4 | 1085.8 | |
| 32" | 812.8 | 1314.4 | 158.7 | 330.2 | 946.1 | 914.4 | 20 | 85.7 | 1155.7 | |||
| 34" | 863.6 | 1397.0 | 165.1 | 349.2 | 1006.5 | 965.2 | 20 | 92.1 | 1225.5 | |||
| 36" | 914.4 | 1460.5 | 171.4 | 361.9 | 1063.6 | 1022.3 | 20 | 92.1 | 1289.0 | |||
| 38" | 965.2 | 1460.5 | 190.5 | 352.4 | 1073.1 | 1098.5 | 20 | 92.1 | 1289.0 | |||
| 40" | 1016.0 | 1511.3 | 196.8 | 363.5 | 1127.1 | 1162.0 | 24 | 92.1 | 1339.8 | |||
| 42" | 1066.8 | 1562.1 | 206.3 | 371.4 | 1176.3 | 1212.8 | 24 | 92.1 | 1390.6 | |||
| 44" | 1117.6 | 1647.8 | 214.3 | 390.5 | 1235.0 | 1270.0 | 24 | 98.4 | 1463.6 | |||
| 46" | 1168.4 | 1733.5 | 225.4 | 411.1 | 1292.2 | 1333.5 | 24 | 104.7 | 1536.7 | |||
| 48" | 1219.2 | 1784.3 | 233.4 | 417.5 | 1343.0 | 1384.3 | 24 | 104.7 | 1587.5 |
Weld Neck flanges as per ASME B16.47/ANSI B16.47 900#/900 LBS in inches
| Pipe | Flange | Hub | Raised face | Drilling Template | Approx Weight | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nom. | OD | D | J | b | h | a | m | g | Number | I | k | |
| Size | in. | in. | in. | in. | in. | in. | in. | in. | in. | in. | Pounds | |
| 26'' | 26.0 | 423/4 | To be | 51/2 | 111/4 | To be | 301/2 | 291/2 | 20 | 27/8 | 371/2 | Wts. on |
| 28" | 28.0 | 46 | specified | 55/8 | 113/4 | specified | 323/4 | 311/2 | 20 | 31/8 | 401/4 | Application |
| 30" | 30.0 | 481/2 | by purchaser | 57/8 | 121/4 | by purchaser | 35 | 333/4 | 20 | 31/8 | 423/4 | |
| 32" | 32.0 | 511/4 | 61/4 | 13 | 371/4 | 36 | 20 | 33/8 | 451/2 | |||
| 34" | 34.0 | 55 | 61/2 | 133/4 | 395/8 | 38 | 20 | 35/8 | 481/4 | |||
| 36" | 36.0 | 571/2 | 63/4 | 141/4 | 417/8 | 401/4 | 20 | 35/8 | 503/4 | |||
| 38" | 38.0 | 571/2 | 71/2 | 137/8 | 421/4 | 431/4 | 20 | 35/8 | 503/4 | |||
| 40" | 40.0 | 591/2 | 73/4 | 145/16 | 443/8 | 453/4 | 24 | 35/8 | 523/4 | |||
| 42" | 42.0 | 611/2 | 81/8 | 145/8 | 465/16 | 473/4 | 24 | 35/8 | 543/4 | |||
| 44" | 44.0 | 647/8 | 87/16 | 153/8 | 485/8 | 50 | 24 | 37/8 | 575/8 | |||
| 46" | 46.0 | 681/4 | 87/8 | 163/16 | 507/8 | 521/2 | 24 | 41/8 | 601/2 | |||
| 48" | 48.0 | 701/4 | 93/16 | 161/2 | 527/8 | 541/2 | 24 | 41/8 | 621/2 |
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