Centrifugal Pumps: Design and Application

abrasive affinity laws angle applications axial thrust baseplate best efficiency point blade boiler feed pump brake horsepower calculated CAPACITY GPM cavitation centrifugal pumps clearance concentric bowl configuration crossover D₁ diffuser discharge double-volute driver factor flow rates fluid friction losses ft/sec geometry Goulds Pumps GPM Figure guide vane assembly HEAD IN FEET head loss high-speed horsepower HPRT HPRT's hydraulic turbine impeller diameter impeller eye inch increase inlet installed liquid low specific speed lubrication maximum multi-stage pumps normally NPSH NPSHA NPSHR piping process pump pump design pump efficiency pump performance pump shaft pumps operating radial load range ratio reduced result rotating rotor runner seal shown in Figure slurry slurry pump specific gravity speed pumps stage stiffness stress stuffing box suction nozzle suction specific speed support pedestal system curve temperature throat area thrust loads tion Typical velocity vertical turbine pump viscosity volute