FR-600 - Forge Collection Calli Rigid Riser Shower Inc. Easykit - Brushed BrassWRAS Approved: Yes Shower Diverter Function: Yes Minimum Operating Pressure (bar): 0. 5 Maximum Operating Pressure (bar): 5 Pipe Centres (mm): 150 Inlet Connection: 3 4 BSP Outlet Connection: 1 2 BSP Adjustment (mm): 853 1218 Flow Rate 0. 2bar (l min): 2. 5 Flow Rate 0. 5bar (l min): 9. 2 Flow Rate 1bar (l min): 14 Flow Rate 2bar (l min): 20 Flow Rate 3bar (l min): 24. 8