TechnicalPump speed on which pump data are based1491 rpmRated flow310.6 m³/hRated head46.46 mMaximum head520 dmActual impeller diameter381 mmPrimary shaft sealBQQECode for shaft sealBQQECurve toleranceISO9906:2012 3BPump versionAMaterialsType key, code for materialsAPump housingCast ironEN-GJL-250ASTM class 35ImpellerCast ironEN-GJL-200ASTM class 30Material codeAInstallationRange of ambient temperature-20 .. 55 °CMaximum operating pressure16 barMax pressure at stated temp16 bar / 120 °CType key, code for pipework connectionFPipe connection standardEN 1092-2Type of connectionDINSize of connectionDN 150Pressure rating for connectionPN 16Port-to-port length1000 mmFlange size for motorFF500Connect codeFLiquidPumped liquidWaterLiquid temperature range-25 .. 120 °CSelected liquid temperature20 °CDensity998.2 kg/m³Electrical dataMotor typeINNOMOTICSRated power - P255 kWMains frequency50 HzRated voltage3 x 380-420D/660-725Y VRated current96/56 AStarting current680 %Cos phi - power factor0.87Rated speed1482 rpmIE efficiencyIE3 94,6%IE Efficiency classIE3Motor efficiency at full load94.6 %Motor efficiency at 3/4 load95.1 %Motor efficiency at 1/2 load95 %Number of poles4Enclosure class (IEC 34-5)IP55Insulation class (IEC 85)FBuilt-in motor protectionPTCMotor No99032127ControlsFrequency converterNone
