Selection of laboratory pumps
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Our laboratory has a lubricant with very high viscosity; its dynamic viscosity at 40 degrees was found to be 1500 cSt, and it looks just like very thick honey. It now needs to be continuously transported to the subsequent equipment, with a flow rate of 200 ml/hr and an outlet pressure of 5 MPa. Can a regular high-pressure plunger pump be used for such viscous oil? Is it still necessary to choose a different type of pump? Experts who have worked on projects in this area, please offer some guidance! It’s actually a pump used to transport asphalt or heavy oil, that is, liquids with high viscosity. What would be good?
Why use a twin-screw pump? Are there small pumps for use in laboratories?
I’m not very familiar with piston pumps; they are generally used for pumping substances similar to water. For applications where a certain pressure level is required, twin-screw or triple-screw pumps are suitable. If the pressure requirements aren’t high, gear pumps can be an option. Low price, cost-effective
Laboratories usually use small pumps; given your application conditions, you might want to consider peristaltic pumps – you can reach out to several manufacturers to discuss this option.
Slightly increasing the temperature helps; there are slight errors in pumping at low temperatures
It is recommended to consider heating; consult manufacturers of multi-screw pumps and plunger pumps