![]() ![]() There is a need for dynamic variation and optimization of flow and the head of the pump.Īs the viscosity increases, the pump performance needs to be optimized to match the variation in fluid viscosity. They generally fail with the load changes on the pump with viscosity variation. They cannot deal with the close tolerances needed and the unique needs of non-newtonian liquids. The changing nature of viscosity requires dynamic changes in the performance of the high-viscosity fluid pump in real time.įor dealing with high-viscosity fluids, centrifugal pumps are not well suited. The Challenges that High-Viscosity Fluid Pumps Face Dilatant or shear thickening liquids that exhibit increased viscosity when agitated or mixed, such as quicksand.Thixotropic or shear thinning liquids that exhibit reduced viscosity when agitated or mixed, such as paint.Such fluids can be managed with centrifugal pumps These fluids have a linear relationship between viscosity and shear stress. ![]() Newtonian Liquids, such as water or alcohol, exhibit constant viscosity regardless of shear rate or agitation. Types of Viscosity Found in Fluidsįluid viscosity can be classified into two main categories: Newtonian liquids and Non-Newtonian liquids. However, you can manage to move such fluids well with well-designed high-viscosity fluids pumps. Most of them fail to deal with the dynamic viscosity challenges that these thick and difficult-to-pour fluids pose. Trying to pump a fluid much thicker than water is challenging for many traditional fluid pumps such as centrifugal pumps. In simple terms, viscosity is a measurement of how quickly a liquid flows. With the right selection and design, ZEILFELDER positive displacement pumps for highly viscous fluids offer an effective and efficient solution for transporting media in demanding applications.Fluid viscosity - the property of a fluid to resist the force causing it to flow - is an important property of fluid dynamics for managing viscous fluids. Their ability to handle high viscosities and even effectively transport solids has made them an extremely versatile solution for a wide range of applications for almost 100 years. Overall, ZEILFELDER positive displacement pumps for highly viscous fluids are an excellent choice for pumping viscous media in the chemical and pharmaceutical industries. ZEILFELDER provides this design service free of charge to its customers in advance of quoting. Each design has its own advantages and limitations, and it is important to select the design that is best suited to the specific application. There are a variety of positive displacement pump designs, including gears, pistons and screws. By using a suitable displacement element, these materials can also be transported effectively, enabling a wider range of applications.Īnother important consideration when selecting a ZEILFELDER positive displacement pump for high viscosity fluids is the design of the pump itself. ![]() ZEILFELDER positive displacement pumps for highly viscous liquids are also able to extend their capabilities to the transport of solids integrated in liquids, such as fibres or granulates. For example, such a pump can be used effectively in pumping liquids such as syrup, honey, chocolate, molasses and other materials with high viscosity. ![]() Unlike centrifugal pumps, which are more suitable for aqueous media, ZEILFELDER positive displacement pumps work by using mechanical displacers to move the medium through the pump chamber.Ī ZEILFELDER positive displacement pump for highly viscous fluids offers several advantages, especially in the chemical and pharmaceutical industries where the ability to pump highly viscous fluids is of great importance. “Positive displacement pumps from ZEILFELDER are an excellent choice for transporting liquids with high viscosity, as they are able to pump these liquids effectively without compromising performance. ![]()
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