PUMP TYPES, TERMS, & PUMP CURVES

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  • PUMPTYPES,TERMS,&PUMPCURVES

    PresentedBy:RickRumsey,P.E.

  • IrrigationPumpTypes

    Centrifugal

    Turbine

    SubmersibleTurbine

  • CentrifugalPumps

  • CentrifugalPumps

    Terms Impeller

    Open Closed Semiopen

    Trim

  • CentrifugalPumps

  • TurbinePumps

    Terms Stages Bowls

  • TurbinePumps

    Terms Stages Bowls Shaft Bearings Spiders Screen

  • SubmersibleTurbinePumps

  • Advantages/DisadvantagesofPumpTypes

    Centrifugal

    AdvantagesAboveground Easytomaintain Flatpumpcurve

    DisadvantagesHavetoprime

    Turbine

    Advantages Nopriming Canaddstagestomeetoperatingpoint

    Disadvantages Inthewater Steeppumpcurve Submersiblemotorinthewell

  • PumpDrives

    CloseCoupled ShaftDriven

  • PumpTerms

    Lift Pressure StaticWaterLevel Drawdown TDH PumpSetting Submergence

  • PumpTermsCont.

    TotalDynamicHead(TDH)TDH=Lift+Pressure+MinorLosses

    Unitsoffeet1psi=2.31feet(convertpressuretofeetforcalculations)

  • PumpTermsCont.

    PumpingFlowRateUsuallygallonsperminute(gpm)Canbecubicfeetpersecond(cfs)Maybereferredtoasinches(referringtoMinersinches)

    Idaho 50Minersinches=1cfs Montana 40Minersinches=1cfs

    1cfs=448.8gpm

  • PumpCurves

    Pumpcurvesshowoperatingcharacteristicsofaspecificpump.

    PumpcurvesshowTDHversusflowandshowefficiencyandhorsepower.

  • CentrifugalPumpCurveCentrifugalPumpCurve

  • CentrifugalPumpCurveCentrifugalPumpCurve

  • TurbinePumpCurveTurbinePumpCurve

  • WheretoGetPumpCurves

    USDANRCSpumpcurvesite:ftp://ftp.wcc.nrcs.usda.gov/wntsc/Pump%20Curves

    PumpFlowebsite:http://pumpflo.com/ Manufacturerswebsites

  • PumpPhotosPumpPhotos

  • PumpPhotosPumpPhotos

  • PumpPhotosPumpPhotos

  • PumpPhotosPumpPhotos

  • PumpPhotosPumpPhotos

  • PumpPhotosPumpPhotos

  • Questions???