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BS 3293 Class 600 WN
| Nominal pipe size |
Outside diameter of flange, O |
Outside diameter, R |
Thickness of flange min., C |
Outside diameter of large end of hub, X |
Outside diameter of small end of hub: Welding neck, A |
Length through hub, Y | Fillet radius | Flange bore, B | Diameter of bolt circle, D |
Diameter of bolt holes |
Number of bolt holes |
|
| 26 | 1016.00 | 749.30 | 107.95 | 6.35 | 747.71 | 671.51 | 222.25 | 14.29 | To be specified by the purchaser |
914.40 | 50.80 | 28 |
| 28 | 1073.15 | 800.10 | 111.13 | 6.35 | 803.28 | 723.90 | 234.95 | 15.88 | 965.20 | 53.98 | 28 | |
| 30 | 1130.30 | 857.25 | 114.30 | 6.35 | 862.01 | 774.70 | 247.65 | 17.46 | 1022.35 | 53.98 | 28 | |
| 32 | 1193.80 | 914.40 | 117.48 | 6.35 | 917.58 | 825.50 | 260.35 | 17.46 | 1079.50 | 60.33 | 28 | |
| 34 | 1244.60 | 965.20 | 120.65 | 6.35 | 973.14 | 877.89 | 269.88 | 19.05 | 1130.30 | 60.33 | 28 | |
| 36 | 1314.45 | 1022.35 | 123.83 | 6.35 | 1031.88 | 928.69 | 282.58 | 19.05 | 1193.80 | 66.68 | 28 |
