IS 9523 — Plate & blind flange — PN16
IS 9523 Plate & blind flange — PN16 — 23 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 80 | 200 | 160 | 8 | 19 | 132 | 3 | 91.9 | 19 | 16 | 19 | 16 |
| 100 | 220 | 180 | 8 | 19 | 156 | 3 | 117.3 | 19 | 16 | 19 | 16 |
| 125 | 250 | 210 | 8 | 19 | 184 | 3 | 142.7 | 19 | 16 | 19 | 16 |
| 150 | 285 | 240 | 8 | 23 | 211 | 3 | 171.3 | 19 | 16 | 19 | 16 |
| 200 | 340 | 295 | 12 | 23 | 266 | 3 | 222.1 | 20 | 17 | 20 | 17 |
| 250 | 400 | 355 | 12 | 28 | 319 | 3 | 276 | 22 | 19 | 22 | 19 |
| 300 | 455 | 410 | 12 | 28 | 370 | 4 | 326.9 | 24.5 | 20.5 | 24.5 | 20.5 |
| 350 | 520 | 470 | 16 | 28 | 429 | 4 | 358.6 | 26.5 | 22.5 | 26.5 | 22.5 |
| 400 | 580 | 525 | 16 | 31 | 480 | 4 | 409.4 | 28 | 24 | 28 | 24 |
| 450 | 640 | 585 | 20 | 31 | 548 | 4 | 460.2 | 30 | 26 | 30 | 26 |
| 500 | 715 | 650 | 20 | 34 | 609 | 4 | 511 | 31.5 | 27.5 | 31.5 | 27.5 |
| 600 | 840 | 770 | 20 | 37 | 720 | 5 | 612.6 | 36 | 31 | 36 | 31 |
| 700 | 910 | 840 | 24 | 37 | 794 | 5 | 714.2 | 39.5 | 34.5 | 39.5 | 34.5 |
| 750 | 970 | 900 | 24 | 37 | 857 | 5 | 765 | 41 | 36 | 41 | 36 |
| 800 | 1025 | 950 | 24 | 40 | 901 | 5 | 815.8 | 43 | 38 | 43 | 38 |
| 900 | 1125 | 1050 | 28 | 40 | 1001 | 5 | 917.4 | 46 | 41 | 46 | 41 |
| 1000 | 1255 | 1170 | 28 | 43 | 1112 | 5 | 1019 | 50 | 45 | 50 | 45 |
| 1100 | 1355 | 1270 | 32 | 43 | 1218 | 5 | 1120.6 | 53.5 | 48.5 | 53.5 | 48.5 |
| 1200 | 1485 | 1390 | 32 | 49 | 1328 | 5 | 1223 | 57 | 52 | 57 | 52 |
| 1400 | 1685 | 1590 | 36 | 49 | 1530 | 5 | 1423 | 60 | 55 | 60 | 55 |
| 1600 | 1930 | 1820 | 40 | 56 | 1750 | 5 | 1623 | 65 | 60 | 65 | 60 |
| 1800 | 2130 | 2020 | 44 | 56 | 1950 | 5 | 1823 | 70 | 65 | 70 | 65 |
| 2000 | 2345 | 2230 | 48 | 62 | 2150 | 5 | 2023 | 75 | 70 | 75 | 70 |