Pumps
Piping systems and pumps - centrifugal pumps, displacement pumps - cavitation, viscosity, head and pressure, power consumption and more
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Absolute, Dynamic and Kinematic Viscosity
Dynamic, absolute and kinematic viscosities - convert between CentiStokes (cSt), centipoises (cP), Saybolt Universal Seconds (SSU) and degree Engler
Alternating Pumps
Securing a system and achieve equal wear by alternating pumps in parallel
Best Efficiency Point - BEP
Maximum designed pump efficiency
Boiling Fluids - Max Suction Flow Velocity
Recommended max suction flow velocity when pumping boiling fluids
Boiling Liquids - Max Pumping Flow Velocity
Recommended max flow velocity on the delivery (pressure) side when pumping boiling liquids
Cavitation - an Introduction
Cavitation occurs in fluid flow systems where the local static pressure is below vapor pressure
Centrifugal Pump Standards
Centrifugal pump design and dimension standards
Centrifugal Pumps
An introduction to Centrifugal Pumps
Centrifugal Pumps - Minimum Flow
Minimum continuous flow to prevent flashing in centrifugal pumps
Centrifugal Pumps - Speed Torque Curve
Centrifugal pumps and the characteristic speed torque curve
Centrifugal Pumps and Influence from Viscosity
When a liquid flow through a pump, hydrodynamic losses depends on fluid viscosity
Centrifugal Pumps and Shut-Off Head
Centrifugal pumps and maximum (shut-off) head
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Classifications of Pumps
Selecting between Centrifugal Pumps and Positive Displacement Pumps
Condensate Pumping
High temperatures and danger of impeller cavitation is the major challenge of condensate pumping
Converting Pump Head to Pressure and Vice Versa
Converting head (ft or m) to pressure (psi or bar, kg/cm2) and vice versa
Flow Units Converter
Convert between volume flow units - gpm, liter/sec, cfm, m3/h - an online flow unit calculator
Head Rise and the Energy Equation - for Pump or Fan
The energy equation can be used to calculate head rise in pumps or fans
Light Oil Pumping Flow Velocity
Max light oil flow velocity on pump delivery side
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Light Oil Suction Flow Velocity
Recommended suction flow velocity when pumping light oils
Mechanical Energy and Bernoulli Equation
The mechanical energy equation related to energy per unit mass, energy per unit volume and energy per unit weight involving head
Modulate Centrifugal Pump Capacity
Adapting pump capacity to variable process demand
NEMA Frame Assignments
NEMA Frame Assignments
NPSH - Net Positive Suction Head
An introduction to pumps Net Positive Suction Head - NPSH
Positive Displacement Pumps
Introduction tutorial to positive displacement pumps basic operating principles
Power Gained by Fluid from Pump or Fan
The power gained by fluid from an operating pump or fan
Pressure to Head - Unit Converter
Convert between pressure and head units - like lb/in2, atm, inches mercury, bars, Pa and more ..
Pressure Units - Online Converter
Convert between pressure units like Pa, bar, atmosphere, pound square feet, psi and more
Pump Affinity Laws
Turbo machines affinity laws can be used to calculate volume capacity, head or power consumption in centrifugal pumps with changing speed or wheel diameters
Pump and Fan Efficiency
Overall pump and fan efficiency is the ratio power actually gained by the fluid to the shaft power supplied
Pump Suction Head and Altitude
The suction heads of pumps are affected by altitude
Pumping Water - Costs
The cost of pumping water
Pumping Water - Required Horsepower
Horsepower required to pump water
Pumps - Power Calculator
Calculate pump hydraulic and shaft power
Pumps - Specific Suction Speed
Specific Suction Speed can be used to determine what general pump design to use for maximum efficiency
Pumps in Parallel or Serial
For pumps connected in serial - add head, for pumps connected in parallel - add flowrates
Pumps, Compressors, Blowers and Fans
Comparing pumps, compressors, blowers and fans
Pumps, Fans and Turbines - Horsepower
British Horse Power in pumps, fans and turbines - and how to convert to other units
Specific Speed Pumps
Characterize the type of impeller in pump in a unique and coherent manner
Specific Work of Turbo Machines - Pumps, Compressors and Fans
Specific work from pumps, fans, compressors and turbines
Stable and Unstable Centrifugal Pumps
Characteristics of stable and unstable centrifugal pumps
Static Pressure or Head in Fluids
Static pressure and pressure head
System Curve and Pump Performance Curve
Utilize the system curve and the pump performance curve to select the proper pump for a particular application
Vapor Pressure common Liquids
Vapor and saturation pressure for some common liquids
Viscosity Converting Chart
Convert between the viscosity units Centiposes, milliPascal, CentiStokes and SSU
Viscous Fluids - Recommended Suction Flow Velocity
Recommended pump suction flow velocity for viscous fluids
Viscous Liquids - Recommended Delivery Flow Velocity
Flow velocities on delivery sides of pumps in viscous systems
Volume Flow and Temperature Rise in Pump
Calculate temperature rise in pumps
Water - Delivery Flow Velocity
Required flow velocities in water transport systems - on the delivery side of the pump
Water - Suction Flow Velocity
Recommended water flow velocities on suction sides of pumps
Water Pump Calculator
Calculate Pressure Head, Total Dynamic Head, Bowl Horsepower, Total Trust acting on Driver Thrust Bearing, Field Head, Power Loss due to Shafting, Power Loss in Thrust Bearings, Motor Load, Field Efficiency, Input Horsepower (Power Supplied to Driver) and Shaft Elongation
