ASME B16.47 Series B — Plate & blind flange — Class 300
ASME B16.47 Series B Plate & blind flange — Class 300 — 18 sizes.
| Size (NB) | Outside dia (OD) (mm) | PCD (mm) | No. of holes | Hole dia (mm) | RF dia (mm) | RF height (mm) | Bore / ID (plate) (mm) | Thickness — plate RF (mm) | Thickness — plate FF (mm) | Thickness — blind RF (mm) | Thickness — blind FF (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 650 | 865 | 803.3 | 32 | 34.9 | 737 | 2 | 666.7 | 87.7 | 85.7 | 87.7 | 85.7 |
| 700 | 920 | 857.2 | 36 | 34.9 | 787 | 2 | 717.5 | 87.4 | 85.4 | 87.4 | 85.4 |
| 750 | 990 | 920.8 | 36 | 38.1 | 845 | 2 | 769.9 | 92.1 | 90.1 | 92.1 | 90.1 |
| 800 | 1055 | 977.9 | 32 | 41.3 | 902 | 2 | 820.7 | 101.6 | 99.6 | 101.6 | 99.6 |
| 850 | 1110 | 1031.9 | 36 | 41.3 | 953 | 2 | 871.5 | 101.6 | 99.6 | 101.6 | 99.6 |
| 900 | 1170 | 1089 | 32 | 44.5 | 1010 | 2 | 922.3 | 101.6 | 99.6 | 101.6 | 99.6 |
| 950 | 1220 | 1139.8 | 36 | 44.5 | 1060 | 2 | 973.1 | 109.6 | 107.6 | 109.6 | 107.6 |
| 1000 | 1275 | 1190.6 | 40 | 44.5 | 1114 | 2 | 1023.9 | 114.3 | 112.3 | 114.3 | 112.3 |
| 1050 | 1335 | 1244.6 | 36 | 47.6 | 1168 | 2 | 1076.2 | 117.5 | 115.5 | 117.5 | 115.5 |
| 1100 | 1385 | 1295.4 | 40 | 47.6 | 1219 | 2 | 1127 | 125.5 | 123.5 | 125.5 | 123.5 |
| 1150 | 1460 | 1365.2 | 36 | 50.8 | 1270 | 2 | 1177.8 | 127 | 125 | 128.6 | 126.6 |
| 1200 | 1510 | 1416 | 40 | 50.8 | 1327 | 2 | 1228.6 | 127 | 125 | 133.4 | 131.4 |
| 1250 | 1560 | 1466.8 | 44 | 50.8 | 1378 | 2 | 1279.4 | 136.6 | 134.6 | 138.2 | 136.2 |
| 1300 | 1615 | 1517.6 | 48 | 50.8 | 1429 | 2 | 1330.2 | 141.3 | 139.3 | 142.6 | 140.6 |
| 1350 | 1675 | 1578 | 48 | 50.8 | 1480 | 2 | 1381 | 135 | 133 | 147.7 | 145.7 |
| 1400 | 1765 | 1651 | 36 | 60.3 | 1537 | 2 | 1431.8 | 152.4 | 150.4 | 155.4 | 153.4 |
| 1450 | 1825 | 1712.9 | 40 | 60.3 | 1594 | 2 | 1482.6 | 152.4 | 150.4 | 160.4 | 158.4 |
| 1500 | 1880 | 1763.7 | 40 | 60.3 | 1651 | 2 | 1533.4 | 149.3 | 147.3 | 165.1 | 163.1 |