ASME B16.47 Series A/MSS SP-44 Class 900 Weld Neck Flange
Norminal Pipe Size | O.D.of Flange, O | Min.Thick-ness of WN Flange, tf | Lenth Through Hub, Y | Diam. of Hub, X | Hub Diam. Top, A | Raised Fase Diam., R | Bore (XS) | Diam of Bolt Circle | No.of Bolt Holes | Diam.of Bolt Hole | Min.Fillet Radius, r1 | Approxi-mate Weight kgs |
26 | 1085 | 139.7 | 286 | 775 | 660.4 | 749 | 635.0 | 952.5 | 20 | 73.0 | 11 | 683.01 |
28 | 1170 | 142.9 | 298 | 832 | 711.2 | 800 | 685.8 | 1022.4 | 20 | 79.4 | 13 | 808.16 |
30 | 1230 | 149.3 | 311 | 889 | 762.0 | 857 | 736.6 | 1085.8 | 20 | 79.4 | 13 | 924.60 |
32 | 1315 | 158.8 | 330 | 946 | 812.8 | 914 | 787.4 | 1155.7 | 20 | 85.7 | 13 | 1114.09 |
34 | 1395 | 165.1 | 349 | 1006 | 863.6 | 965 | 838.2 | 1225.6 | 20 | 92.1 | 14 | 1298.15 |
36 | 1460 | 171.5 | 362 | 1064 | 914.4 | 1022 | 889.0 | 1289.0 | 20 | 92.1 | 14 | 1472.04 |
38 | 1460 | 190.5 | 352 | 1073 | 965.2 | 1099 | 939.8 | 1289.0 | 20 | 92.1 | 19 | 1436.84 |
40 | 1510 | 196.9 | 364 | 1127 | 1016.0 | 1162 | 990.6 | 1339.8 | 24 | 92.1 | 21 | 1518.64 |
42 | 1560 | 206.4 | 371 | 1176 | 1066.0 | 1213 | 1040.6 | 1390.6 | 24 | 92.1 | 21 | 1654.33 |
44 | 1650 | 214.4 | 391 | 1235 | 1117.6 | 1270 | 1092.2 | 1463.7 | 24 | 98.4 | 22 | 1941.88 |
46 | 1735 | 225.5 | 411 | 1292 | 1168.4 | 1334 | 1143.0 | 1536.7 | 24 | 104.8 | 22 | 2261.24 |
48 | 1785 | 233.4 | 419 | 1343 | 1219.2 | 1384 | 1193.8 | 1587.5 | 24 | 104.8 | 24 | 2425.26 |