CR/CRN Multistage In-line Pumps Applications: Water boosting, transfer, circulation, boiler feed and treated water duties (CRN only) Duty range: Flows to 120m³h Heads to 460 metres Temperature range: -20°C to +120°C Pressure rating: Up to 48 Bar Pump connections: CR:1"/1¼"/1½" BSPF oval flanges 25mm to 100mm round flanges CRN: Grooved pipe jointing system for CRN2 to CRN16. 65mm and 100mm flanges for larger models