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Charlotte Stonestreet
Managing Editor |
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Pumps for shear sensitive liquids
10 January 2014
Hydra-Cell diaphragm pumps from Wanner International are claimed to impose only low levels of tangential stress on the pumped fluid, making them ideal for pumping a wide range of shear sensitive materials such as polymers, paints, coatings, dyes, inks, latex solutions and technical suspensions
As soon as the liquid leaves the vessel and enters the suction piping, it begins to shear as the liquid traveling through the middle of the pipe moves in relation to the pipe walls. Rotary pumps impart more shear between the rotating elements and the stationary casing.
As Hydra-Cell pumps have no rotating elements in contact with the pumped liquid and no tight internal tolerances, they impose minimal tangential stress to cause shear.
