ASME B16.47 - Class 150
SERIES A / MSS SP44 FLANGES
| Size | O | WNF | BLIND | Y | X | A | R | Diam. of bolt circle | No. of holes | Diam. of bolt hole | Diam. of bolt | R1 | |
| WNF | BLIND | ||||||||||||
| O | C | C | Y | X | A | R | r1 | ||||||
| in. | 26" | 34.25 | 2.69 | 2.69 | 4.75 | 26.62 | 26 | 29.5 | 31.75 | 24 | 1.38 | 1 1/4 | 0.38 |
| mm. | 870 | 68.3 | 68.3 | 120.7 | 676.1 | 660.4 | 749.3 | 806.5 | 35.1 | 31.8 | 9.7 | ||
| in. | 28" | 36.5 | 2.81 | 2.81 | 4.94 | 28.62 | 28 | 31.5 | 34 | 28 | 1.38 | 1 1/4 | 0.44 |
| mm. | 927.1 | 71.4 | 71.4 | 125.5 | 726.9 | 711.2 | 800.1 | 863.6 | 35.1 | 31.8 | 11.2 | ||
| in. | 30" | 38.75 | 2.94 | 2.94 | 5.38 | 30.75 | 30 | 33.75 | 36 | 28 | 1.38 | 1 1/4 | 0.44 |
| mm. | 984.3 | 74.7 | 74.7 | 136.7 | 781.1 | 762 | 857.3 | 914.4 | 35.1 | 31.8 | 11.2 | ||
| in. | 32" | 41.75 | 3.19 | 3.19 | 5.69 | 32.75 | 32 | 36 | 38.5 | 28 | 1.62 | 1 1/2 | 0.44 |
| mm. | 1060.5 | 81 | 81 | 144.5 | 831.9 | 812.8 | 914.4 | 977.9 | 41.1 | 38.1 | 11.2 | ||
| in. | 34" | 43.75 | 3.25 | 3.25 | 5.88 | 34.75 | 34 | 38 | 40.5 | 32 | 1.62 | 1 1/2 | 0.5 |
| mm. | 1111.3 | 82.6 | 82.6 | 149.4 | 882.7 | 863.6 | 965.2 | 1028.7 | 41.1 | 38.1 | 12.7 | ||
| in. | 36" | 46 | 3.56 | 3.56 | 6.19 | 36.75 | 36 | 40.25 | 42.75 | 32 | 1.62 | 1 1/2 | 0.5 |
| mm. | 1168.4 | 90.4 | 90.4 | 157.2 | 933.5 | 914.4 | 1022.4 | 1085.9 | 41.1 | 38.1 | 12.7 | ||
| in. | 38" | 48.75 | 3.44 | 3.44 | 6.19 | 39 | 38 | 42.25 | 45.25 | 32 | 1.62 | 1 1/2 | 0.5 |
| mm. | 1238.3 | 87.4 | 87.4 | 157.2 | 990.6 | 965.2 | 1073.2 | 1149.4 | 41.1 | 38.1 | 12.7 | ||
| in. | 40" | 50.75 | 3.56 | 3.56 | 6.44 | 41 | 40 | 44.25 | 47.25 | 36 | 1.62 | 1 1/2 | 0.5 |
| mm. | 1289.1 | 90.4 | 90.4 | 163.6 | 1041.4 | 1016 | 1124 | 1200.2 | 41.1 | 38.1 | 12.7 | ||
| in. | 42" | 53 | 3.81 | 3.81 | 6.75 | 43 | 42 | 47 | 49.5 | 36 | 1.62 | 1 1/2 | 0.5 |
| mm. | 1346.2 | 96.8 | 96.8 | 171.5 | 1092.2 | 1066.8 | 1193.8 | 1257.3 | 41.1 | 38.1 | 12.7 | ||
| in. | 44" | 55.25 | 4 | 4 | 7 | 45 | 44 | 49 | 51.75 | 40 | 1.62 | 1 1/2 | 0.5 |
| mm. | 1403.4 | 101.6 | 101.6 | 177.8 | 1143 | 1117.6 | 1244.6 | 1314.5 | 41.1 | 38.1 | 12.7 | ||
| in. | 46" | 57.25 | 4.06 | 4.06 | 7.31 | 47.12 | 46 | 51 | 53.75 | 40 | 1.62 | 1 1/2 | 0.5 |
| mm. | 1454.2 | 103.1 | 103.1 | 185.7 | 1196.8 | 1168.4 | 1295.4 | 1365.3 | 41.1 | 38.1 | 12.7 | ||
| in. | 48" | 59.5 | 4.25 | 4.25 | 7.56 | 49.12 | 48 | 53.5 | 56 | 44 | 1.62 | 1 1/2 | 0.5 |
| mm. | 1511.3 | 108 | 108 | 192 | 1247.6 | 1219.2 | 1358.9 | 1422.4 | 41.1 | 38.1 | 12.7 | ||
| in. | 50" | 61.75 | 4.38 | 4.38 | 8 | 51.25 | 50 | 55.5 | 58.25 | 44 | 1.88 | 1 3/4 | 0.5 |
| mm. | 1568.5 | 111.3 | 111.3 | 203.2 | 1301.8 | 1270 | 1409.7 | 1479.6 | 47.8 | 44.5 | 12.7 | ||
| in. | 52" | 64 | 4.56 | 4.56 | 8.25 | 53.25 | 52 | 57.5 | 60.25 | 44 | 1.88 | 1 3/4 | 0.5 |
| mm. | 1625.6 | 115.8 | 115.8 | 209.6 | 1352.6 | 1320.8 | 1460.5 | 1530.4 | 47.8 | 44.5 | 12.7 | ||
| in. | 54" | 66.25 | 4.75 | 4.75 | 8.5 | 55.25 | 54 | 59.5 | 62.75 | 44 | 1.88 | 1 3/4 | 0.5 |
| mm. | 1682.8 | 120.7 | 120.7 | 215.9 | 1403.4 | 1371.6 | 1511.3 | 1593.9 | 47.8 | 44.5 | 12.7 | ||
| in. | 56" | 68.75 | 4.88 | 4.88 | 9 | 57.38 | 56 | 62 | 65 | 48 | 1.88 | 1 3/4 | 0.5 |
| mm. | 1746.3 | 124 | 124 | 228.6 | 1457.5 | 1422.4 | 1574.8 | 1651 | 47.8 | 44.5 | 12.7 | ||
| in. | 58" | 71 | 5.06 | 5.06 | 9.25 | 59.38 | 58 | 64 | 67.25 | 48 | 1.88 | 1 3/4 | 0.5 |
| mm. | 1803.4 | 128.5 | 128.5 | 235 | 1508.3 | 1473.2 | 1625.6 | 1708.2 | 47.8 | 44.5 | 12.7 | ||
| in. | 60" | 73 | 5.19 | 5.19 | 9.44 | 61.38 | 60 | 66 | 69.25 | 52 | 1.88 | 1 3/4 | 0.5 |
| mm. | 1854.2 | 131.8 | 131.8 | 239.8 | 1559.1 | 1524 | 1676.4 | 1759 | 47.8 | 44.5 | 12.7 | ||
Disclaimer: These dimensions are provided for reference material only.