400 Class Series A Weldneck Flanges Dimension
Dimensions for Welding Neck Flanges 400 Class, Series A
400 lb/sq. in
Weld Neck flanges as per ASME B16.47/ANSI B16.47 400#/400 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 | 88.9 | 193.7 | To be | 727.1 | 749.3 | 28 | 47.6 | 876.3 | Wts. on |
| 28" | 711.2 | 1035.0 | specified by | 95.2 | 206.4 | specified | 782.6 | 800.1 | 28 | 50.8 | 939.8 | Application |
| 30" | 762.0 | 1092.2 | purchaser | 101.6 | 219.1 | by purchaser | 836.6 | 857.2 | 28 | 54.0 | 996.9 | |
| 32" | 812.8 | 1149.3 | 107.9 | 231.8 | 889.0 | 914.4 | 28 | 54.0 | 1054.1 | |||
| 34" | 863.6 | 1206.5 | 111.1 | 241.3 | 944.6 | 965.2 | 28 | 54.0 | 1104.9 | |||
| 36" | 914.4 | 1270.0 | 114.3 | 250.8 | 1000.1 | 1022.3 | 32 | 54.0 | 1168.4 | |||
| 38" | 965.2 | 1206.5 | 123.8 | 206.3 | 1003.3 | 1035.0 | 32 | 47.6 | 1117.6 | |||
| 40" | 1016.0 | 1270.0 | 130.1 | 215.9 | 1054.1 | 1092.2 | 32 | 50.8 | 1174.7 | |||
| 42" | 1066.8 | 1320.8 | 133.3 | 223.8 | 1108.0 | 1143.0 | 32 | 50.8 | 1225.5 | |||
| 44" | 1117.6 | 1384.3 | 139.7 | 233.3 | 1158.8 | 1200.1 | 32 | 53.9 | 1282.7 | |||
| 46" | 1168.4 | 1441.4A | 146.0 | 244.0 | 1212.8 | 1257.3 | 36 | 53.9 | 1339.8 | |||
| 48" | 1219.2 | 1511.3 | 152.4 | 257.1 | 1266.8 | 1308.1 | 28 | 60.3 | 1403.3 | |||
| 50" | 1270.0 | 1568.4 | 157.2 | 268.2 | 1320.8 | 1362.0 | 32 | 60.3 | 1460.5 | |||
| 52" | 1320.8 | 1619.2 | 161.9 | 276.2 | 1371.6 | 1412.8 | 32 | 60.3 | 1511.3 | |||
| 54" | 1371.6 | 1701.8 | 169.9 | 288.9 | 1425.5 | 1470.0 | 28 | 66.6 | 1581.1 | |||
| 56" | 1422.4 | 1752.6 | 174.6 | 298.4 | 1479.5 | 1527.1 | 32 | 66.6 | 1631.9 | |||
| 58" | 1473.2 | 1803.4 | 177.8 | 306.3 | 1530.3 | 1577.9 | 32 | 66.6 | 1682.7 | |||
| 60" | 1524.0 | 1885.9 | 185.7 | 319.0 | 1584.3 | 1635.1 | 32 | 73.0 | 1752.6 |
Weld Neck flanges as per ASME B16.47/ANSI B16.47 400#/400 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 | 31/2 | 75/8 | To be | 285/8 | 291/2 | 28 | 17/8 | 341/2 | Wts. on |
| 28" | 28.0 | 401/4 | specified by | 33/4 | 81/8 | specified by | 3013/16 | 311/2 | 28 | 2 | 37 | Application |
| 30" | 30.0 | 43 | purchaser | 4 | 85/8 | purchaser | 3215/16 | 333/4 | 28 | 21/8 | 391/4 | |
| 32" | 32.0 | 451/4 | 41/4 | 91/8 | 35 | 36 | 28 | 21/8 | 411/2 | |||
| 34" | 34.0 | 471/2 | 43/8 | 91/2 | 373/16 | 38 | 28 | 21/8 | 431/2 | |||
| 36" | 36.0 | 50 | 41/2 | 97/8 | 391/8 | 401/4 | 32 | 21/8 | 46 | |||
| 38" | 38.0 | 471/2 | 47/8 | 81/18 | 391/2 | 403/4 | 32 | 17/8 | 44 | |||
| 40" | 40.0 | 50 | 51/8 | 81/2 | 411/2 | 43 | 32 | 2 | 461/4 | |||
| 42" | 42.0 | 52 | 51/4 | 813/16 | 435/8 | 45 | 32 | 2 | 481/4 | |||
| 44" | 44.0 | 541/2 | 51/2 | 913/16 | 455/8 | 471/4 | 32 | 21/8 | 501/2 | |||
| 46" | 46.0 | 563/4 | 53/4 | 95/8 | 473/4 | 491/2 | 36 | 21/8 | 523/4 | |||
| 48" | 48.0 | 591/2 | 6 | 101/8 | 497/8 | 511/2 | 28 | 23/8 | 551/4 | |||
| 50" | 50.0 | 613/4 | 63/16 | 109/16 | 52 | 535/8 | 32 | 23/8 | 571/2 | |||
| 52" | 52.0 | 633/4 | 63/8 | 107/8 | 54 | 555/8 | 32 | 23/8 | 591/2 | |||
| 54" | 54.0 | 67 | 611/16 | 113/8 | 561/8 | 577/8 | 28 | 25/8 | 621/4 | |||
| 56" | 56.0 | 69 | 67/8 | 113/4 | 581/4 | 601/8 | 32 | 25/8 | 641/4 | |||
| 58" | 58.0 | 71 | 7 | 121/16 | 601/4 | 621/8 | 32 | 25/8 | 661/4 | |||
| 60" | 60.0 | 741/4 | 75/16 | 129/16 | 623/8 | 643/8 | 32 | 27/8 | 69 |
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