Hopper head capacities
| Outlet Size mm |
Flow Capacity (l/s) |
Roof Area* M2 |
|
|---|---|---|---|
| All Sizes | 63ø | 3.01 | 114.7 |
| 76ø | 4.46 | 214.4 | |
| 102ø | 7.94 | 381.7 | |
| 62x62 | 3.01 | 114.7 | |
| 72x72 | 4.37 | 210.1 | |
| 102x76 | 7.17 | 344.7 | |
| 102x102 | 9.49 | 456.3 |
*Effective roof area
Figures based on a design rainfall intensity of 0.021 l/s/m2.
