300 Class Series A Weldneck Flanges Dimension
Dimensions for Welding Neck Flanges 300 Class, Series A
300 lb/sq. in
Weld Neck flanges as per ASME B16.47/ANSI B16.47 300#/300 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 | 971.5 | To be | 79.4 | 184.1 | To be | 720.7 | 749.3 | 28 | 44.4 | 876.3 | Wts. |
| 28" | 711.2 | 1035.0 | specified by | 85.7 | 196.8 | specified by | 774.7 | 800.1 | 28 | 44.4 | 839.8 | on |
| 30" | 762.0 | 1092.2 | purchaser | 92.1 | 209.5 | purchaser | 827.1 | 857.2 | 28 | 47.6 | 996.9 | Application |
| 32" | 812.8 | 1149.3 | 98.4 | 222.2 | 881.1 | 914.4 | 28 | 50.8 | 1054.1 | |||
| 34" | 863.6 | 1206.5 | 101.6 | 231.8 | 936.6 | 965.2 | 28 | 50.8 | 1104.9 | |||
| 36" | 914.4 | 1270.0 | 104.8 | 214.3 | 990.6 | 1022.3 | 32 | 54 | 1168.4 | |||
| 38" | 965.2 | 1168.4 | 107.9 | 180.9 | 993.7 | 1028.7 | 32 | 41.2 | 1092.2 | |||
| 40" | 1016.0 | 1238.2 | 114.3 | 193.6 | 1047.7 | 1073.1 | 32 | 44.4 | 1155.7 | |||
| 42" | 1066.8 | 1289.0 | 119.1 | 200.1 | 1098.5 | 1123.9 | 32 | 44.4 | 1206.5 | |||
| 44" | 1117.6 | 1352.5 | 123.9 | 206.3 | 1149.3 | 1193.8 | 32 | 47.6 | 1263.6 | |||
| 46" | 1168.4 | 1416.0 | 128.5 | 215.9 | 1203.4 | 1244.6 | 32 | 50.8 | 1320.8 | |||
| 48" | 1219.2 | 1466.8 | 133.4 | 222.9 | 1254.1 | 1301.7 | 32 | 50.8 | 1371.6 | |||
| 50" | 1270.0 | 1530.3 | 139.7 | 231.7 | 1304.9 | 1358.9 | 32 | 53.9 | 1428.7 | |||
| 52" | 1320.8 | 1581.1 | 144.5 | 238.1 | 1355.7 | 1409.7 | 32 | 53.9 | 1479.5 | |||
| 54" | 1371.6 | 1657.3 | 152.4 | 252.4 | 1409.7 | 1466.8 | 28 | 60.3 | 1549.4 | |||
| 56" | 1422.4 | 1708.1 | 153.9 | 260.3 | 1463.6 | 1517.6 | 28 | 60.3 | 1600.2 | |||
| 58" | 1473.2 | 1758.9 | 158.7 | 266.7 | 1514.4 | 1574.8 | 32 | 60.3 | 1651.0 | |||
| 60" | 1524.0 | 1809.7 | 163.5 | 273.0 | 1565.2 | 1625.6 | 32 | 60.3 | 1701.8 |
Weld Neck flanges as per ASME B16.47/ANSI B16.47 300#/300 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 | 381/4 | To be by | 31/8 | 71/4 | To be | 283/8 | 291/2 | 28 | 13/4 | 341/2 | Wts. on Application |
| 28" | 28.0 | 403/4 | specified | 31/8 | 73/4 | specified by | 301/2 | 311/2 | 28 | 13/4 | 37 | |
| 30" | 30.0 | 43 | purchaser | 35/8 | 81/4 | purchaser | 329/16 | 333/4 | 28 | 17/8 | 391/4 | |
| 32" | 32.0 | 451/4 | 37/8 | 83/4 | 3411/16 | 36 | 28 | 2 | 411/2 | |||
| 34" | 34.0 | 471/2 | 4 | 91/8 | 367/8 | 38 | 28 | 2 | 431/2 | |||
| 36" | 36.0 | 50 | 41/8 | 91/2 | 39 | 401/4 | 32 | 21/8 | 46 | |||
| 38" | 38.0 | 46 | 41/4 | 71/8 | 391/8 | 401/2 | 32 | 15/8 | 43 | |||
| 40" | 40.0 | 483/4 | 41/2 | 75/8 | 411/4 | 423/4 | 32 | 13/4 | 451/2 | |||
| 42" | 42.0 | 503/4 | 411/16 | 77/8 | 431/4 | 443/4 | 32 | 13/4 | 471/2 | |||
| 44" | 44.0 | 531/4 | 47/8 | 81/8 | 451/4 | 47 | 32 | 17/8 | 493/4 | |||
| 46" | 46.0 | 553/4 | 51/16 | 81/12 | 473/8 | 49 | 28 | 2 | 52 | |||
| 48" | 48.0 | 573/4 | 51/4 | 813/16 | 493/8 | 511/4 | 32 | 2 | 54 | |||
| 50" | 50.0 | 601/4 | 51/2 | 91/8 | 513/8 | 531/2 | 32 | 21/8 | 561/4 | |||
| 52" | 52.0 | 621/4 | 511/16 | 93/8 | 535/8 | 551/2 | 32 | 21/8 | 581/4 | |||
| 54" | 54.0 | 651/4 | 6 | 915/16 | 551/2 | 573/4 | 28 | 23/8 | 61 | |||
| 56" | 56.0 | 671/4 | 61/16 | 101/4 | 577/8 | 593/4 | 28 | 23/8 | 63 | |||
| 58" | 58.0 | 691/4 | 61/4 | 101/2 | 595/8 | 62 | 32 | 23/8 | 65 | |||
| 60" | 60.0 | 711/4 | 67/16 | 103/4 | 615/8 | 64 | 32 | 23/8 | 67 |
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