When the sprinklers near the well operate normally but those at the far end of a field receive too little pressure, the first question is where the pressure is being lost. The well, delivery main, filters, elevation and active nozzle count all affect the answer. We assess the SLAPK 200QJ63-154/11 for direct sprinkler supply by checking the field’s actual flow and pressure requirements against the pump curve. This model has a 45kW motor , a nominal flow of 63 m³/h and a