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Calculators
Basic
Centrifugal Pumps
Brake horsepower
Pump Efficiency
Specific speed (US)
Suction specific speed (US)
Electrical Motors & Systems
HP - AC Single Phase
HP - AC Three Phase
HP - AC Two Phase
HP - Direct Current
KW - AC Single Phase
KW - AC Three Phase
KW - AC Two Phase
KW - Direct Current
Financial
Annuity
Future Value
Payback Time
Mechanical Seals and Gaskets
Throat Bushing Sizing
Miscellaneous
Belt-Drive Pulleys
MTBR
Reynolds Number
PD Pumps
Power pump hp
Single acting displacement
Piping Design
Friction Head Loss
Max. Allowable Internal Pressure
Pipe Sizing Economics
Piping Fitting and Valve Losses
Pressure, Head, and Flow
Converting fluid velocity to velocity head
Converting pressure to head
Converting velocity to flow
Pump Design
Peripheral velocity of an impeller
Shaft shear stress
Torque with hp and speed
Vibration
Acceleration, displacement
Velocity (in/sec) pk to g's
Velocity (in/sec) pk to mils pk
Expert
Centrifugal Pumps
Affinity laws
ALPS
Be the Pump Designer
Cent Pump Flowrange
NPSHa centrifugal pump analysis
Suction energy
Viscosity Correction Factors
Electrical Motors & Systems
Annual Motor Energy Cost
Conductor Sizing
Estimated Motor Output Horsepower
Motor Energy Cost Comparison
Motor Performance
Motor Pump Acceleration Time
Nominal Size Breaker
Financial
Pump Life Cycle Costs
Fluid Properties
Centipoises Conversion
Centistokes Conversion
SSF Conversion
SSU Conversion
PD Pumps
Double acting pd pumps
Single acting pd pumps
Piping Design
Orifice Flow
Vibration
Trial Weight Evaluator for Balancing