8/1/2023 0 Comments Pumping high viscosity liquids![]() The pumping action is cyclic and can be driven by pistons, screws, gears, rollers, diaphragms or vanes. Viscosity and Flow Friction loss in steel pipes for fluids with viscosities ranging 32 - 80000 SSU.Useful information on positive displacement pumps What is a positive displacement pump?Ī positive displacement (PD) pump moves a fluid by repeatedly enclosing a fixed volume and moving it mechanically through the system. Viscosity - Converter Chart Convert between viscosity units like Centiposes, milliPascal, CentiStokes and SSU.Kinematic Vicosity is a fluid's resistance to flow and can be valued as dynamic (absolute) or kinematic. System Curve and Pump Performance Curve Utilize the system curve and the pump performance curve to select the proper pump for a particular application.Viscous Liquid Flow Friction loss in schedule 40 steel pipe with viscous liquids - viscosities ranging from water to oil. SAE Multigrade Oils - Viscosities and Densities Viscosities and densities of SAE Grade oils.Pumps, Fans and Turbines - Horsepower British Horse Power as used for pumps, fans and turbines - and how to convert to other units.Pumps - Power Calculator Calculate pumps hydraulic and shaft power.Temperature and Pressure Online calculators, figures and tables showing dynamic and kinematic viscosity of liquid and gaseous propane at varying temperarure and pressure, SI and Imperial units. Propane - Dynamic and Kinematic Viscosity vs.Power Gained by Fluid from Pump or Fan Calculate the power gained by fluid from an operating pump or fan.Liquids - Specific Gravities Specific gravities of liquids like alcohol, oils, benzene, water and many more.Liquids - Kinematic Viscosities Kinematic viscosities of some common liquids like motor oil, diesel fuel, peanut oil and many more.ISO-VG Grade ISO-VG viscosity grades for industrial lubricants. Industrial Lubricants - Viscosities vs.Food Products - Viscosities Absolute (dynamic) viscosity for common food products.Efficiency in Pumps or Fans The overall pump and fan efficiency is the ratio power gained by the fluid to the shaft power supplied.Specific Weight and Specific Gravity An introduction to density, specific weight and specific gravity. Gravity Viscosity at 20☌/68☏ and 50☌/122☏ for more than 120 crudes is shown as function of specific Density vs. Centrifugal Pumps - Shut-Off Head Centrifugal pumps and maximum shut-off head.Centrifugal Pumps - Minimum Flow Minimum continuous flow to prevent flashing in centrifugal pumps.BEP - the Best Efficiency Point of a Pump BEP is where the pump is most efficient.Temperature and Pressure Online calculator, figures and table showing dynamic and kinematic viscosity of benzene, C 6H 6, at varying temperature and pressure - Imperial and SI Units. Benzene - Dynamic and Kinematic Viscosity vs.Viscosities Viscosities of products and chemical species at varying conditions.Pumps Piping systems and pumps - centrifugal pumps, displacement pumps - cavitation, viscosity, head and pressure, power consumption and more.P v = power compensated for viscosity (bhp) G = acceleration of gravity (9.81 m/s 2) Power - Imperial units P v = power compensated for viscosity (kW) Μ = original efficiency according pump curve Power - SI units Μ v = effciency compensated for viscosity H = original head according pump curve (m, ft) Efficiency ![]() H v = head compensated for viscosity (m, ft) Q = original flow according pump curve (m 3/h, gpm) Head Q v = flow compensated for viscosity (m 3/h, gpm) The head, flow and capacity with fluids with other viscosities than used in the original documentation can be modified with coefficients. ![]() efficiency of pump is reduced and the Best Efficiency Point - BEP - is moved.When a more viscous fluid is handled by a centrifugal pump
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