FR-396 - Forge Collection Kerra Basin Mixer with Push WasteWRAS Approved: No Minimum Operating Pressure (bar): 0. 2 Maximum Operating Pressure (bar): 5 Number of tap holes required: 1 Inlet Connection: 1 2" M10 Tap Hole Diameter: 35mm Includes Waste: Yes Flow Rates 0. 2bar (l min): 3. 1 Flow Rates 0. 5bar (l min): 4. 9 Flow Rates 1bar (l min): 7 Flow Rates 2bar (l min): 9. 8 Flow Rates 3bar (l min): 11. 8