The upper flow boundary is limited by the maximum pressure the press headbox is designed to withstand (29 psi). The size of the orifices may limit the flow that can be pumped to the press without exceeding this pressure.
The upper flow boundary is limited by the maximum pressure the pressheadbox is designed to withstand (29 psi). The size of the orifices may limit the flowthat can be pumped to the press without exceeding this pressure.