It is important for you to first measure the viscosity of the fluid well that is to be transferred prior to purchasing a pump. ![]() How to Determine the Right Pump for High Viscosity? For an effective pump design, you also need the right kind of impeller for high-viscosity fluids without the risk of failure. If optimization remains incomplete or incorrect, the pump may fail. 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. When changing the fluid, always refer to the manufacturer's information for the specifications.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. * JLM DOT 4 brake fluid and clutch fluid is not suitable for vehicles with mineral fluid systems, such as Citroën. Please note: Do not refill used brake fluid containers and do not use these containers for other fluids.ĭispose of used brake fluid responsibly (EU waste code 160113)īrake fluid affects the paint, so immediately remove with plenty of water in the event of a spill. Only store brake fluid in the original packaging, keeping the packaging clean and tightly closed to prevent water penetration. Dirt, moisture, petroleum products and other materials can result in a defective braking system or costly repairs. ![]() The low viscosity ensures that the response time of the brake pedal to the brake system is noticeably shorter at low temperatures.Īlways respect the car manufacturer's instructions when changing brake fluid. Thanks to its excessively low viscosity at low temperatures far below freezing, JLM DOT 4 LV is ideal for all vehicles with advanced driver assistance systems such as ABS and ESP. ![]() JLM DOT 4 LV can be mixed with other brake fluids that meet these specifications. JLM DOT 4 LV also complies with the current international specifications U.S. JLM DOT 4 LV is a high-quality aftermarket fluid for brake and clutch systems that exceeds the latest ISO 4925 Class 6 Standard specifications. This also applies to JLM DOT 4 (Low Viscosity) LV. However, automotive manufacturers are increasingly switching to brake fluid with a safer boiling point of 260 degrees. Brake fluid has had a boiling point of approximately 230 degrees Celsius for many years. This causes air bubbles in the braking system and reduces the braking effect drastically. Because of the ingredients that make up brake fluid, the fluid attracts water, which could cause the fluid to boil during braking.
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