The following is the data for an application: Fluid composition: Hydrocarbon/Acid/Water/0.5% suspended solid Solid concentration %w/w: 0.5 Motor: 24.79 hp Speed: 68 rpm Single impeller downflow turbine type, with a steady bearing about 800 mm above the impeller. Can you please give the service factor that needs to be used while computing the hydraulic unbalanced load?
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Dave Dickey Forum Moderator 287 Posts
Re: Service factor for an unbalanced hydraulic load19 September 2006 at 1:29pmIf the impeller is always completely submerged (more than 1/2 the impeller diameter below the liquid surface), a hydraulic service factor of 1.0 is adequate. If the impeller is operated at the liquid surface (while filling or emptying the tank) the hydraulic service factor should be 3.0.