Motive Flow Adjustments The motive flow is the amount of liquid used to power the eductor. See the topics that follow for specifics on how to make these adjustments.
The performance data for eductors is based on water having a specific gravity of 1.0 other specific gravities will require that adjustments be made to the performance table value of the eductors. Specific gravity is the measure of the weight per volume of a liquid.
The effects of viscosity on the pressure drops in the line leading to the eductor must be calculated separately. Eductors can be used with viscosities over 500 Cp. For higher viscosities (applications above 500 Cp.), we suggest that you work with your trained representative or the applications personnel at the factory. Viscosities of up to 500 Cp.Ĭan be used with only small corrections. When used with JRG/JT eductors, fluids with viscosities of less than 100 Cp. This should be taken into consideration in most pressure drop and flow calculations within a given system. Viscosity is the measure of the internal resistance of a fluid to flow. Fluids with differing viscosities or specific gravities need to be corrected to water, to obtain accurate performance estimates.
The performance specifications for JRG/JT eductors are based on using water with a specific gravity of 1.0 and a viscosity of 1 Centipoise. The very latest in Ejector technology at the click of a mouse,' adds Gary Short, Design & Innovation Director. Transvac's unique Online Ejector Sizing Software. Transvac Ejector Technology - Specialists in the areas of Oil & Gas Production, Surface Jet Pumps (SJP's), Vacuum, Heat Transfer, Fluid and Solids Handling, Gas Scrubbing, Water Treatment, Process Plant Engineering, Gas Jet Compressors. The eductor design calculation application below will give the. This eductor calculator will help you determine the required.
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