Hose Pump Selection Guide
1 – Nature of the Product
The chemical properties of the product, including its pH level and potential corrosiveness, will influence the type of hose material you need to select to ensure compatibility and durability. When selecting the appropriate hose material, it’s crucial to refer to the Chemical Compatibility List. This list helps in understanding the interaction between the hose material and the chemical composition of the product it will convey, including the pH level and potential corrosiveness. These factors are vital in choosing a hose that ensures compatibility, durability, and optimal performance. For the best outcome, select a hose material that is proven to be compatible with the specific chemical properties of your product, as outlined in the Compatibility List.
Viscosity:
Understanding the viscosity of the product being pumped is essential for selecting the optimal peristaltic hose pump and designing an efficient pumping system. Viscosity, a measure of a fluid’s resistance to flow, significantly influences pump performance, operational efficiency, and the longevity of the pumping system.
When dealing with viscous fluids, several key factors must be taken into account to ensure compatibility and durability of the hose material, as well as the smooth operation of the pump:
Choosing a larger pump can be advantageous for viscous fluids. A larger pump allows for reduced rotations per minute (RPMs), which is beneficial since higher viscosity fluids require more energy to move. Operating at lower RPMs, a larger pump handles the increased resistance of viscous fluids more efficiently, leading to smoother flow, reduced wear and tear on the hose, and ultimately, longer pump lifespan.
The inherent resistance of viscous fluids to flow means that these fluids often necessitate a reduction in pump speed to achieve the desired flow rate. Adjusting to sufficiently low RPMs significantly reduces the pulsation effect to such an extent that it virtually eliminates the need for pulsation dampeners. This strategic reduction in pump speed, tailored to the viscosity of the fluid, ensures a smoother flow and reduces mechanical stress on the pump system. By optimizing the operational parameters in this way, one can maintain high efficiency and fluid integrity while minimizing wear and extending the service life of the pump components. Moreover, this approach enhances the overall reliability and stability of the pumping process, making it an effective solution for handling viscous fluids without additional equipment.
Incorporating a larger inlet line diameter facilitates the easier movement of viscous fluids into the pump, reducing the need for high pressure and minimizing pulsation. This design consideration, together with the selection of a larger pump, significantly impacts the pumping of viscous fluids by enhancing flow rates and operational stability.
Viscous fluids inherently exhibit a damping effect, which can mitigate pulsation without the need for additional pulsation dampeners. This natural property of viscous fluids, coupled with strategic system design choices such as lower pump speeds and larger pump sizes, ensures a smoother and more efficient pumping process.
It’s crucial to ensure that the pump system is versatile enough to handle the specific challenges posed by viscous fluids. This includes making informed choices about pump size, hose material, and operational parameters, such as pump speed and inlet line diameter, to optimize performance and durability.