Heidolph North America Hei-TORQUE

Powerful Stirring

Series Models: Hei-TORQUE Value 100, Hei-TORQUE Value 200, Hei-TORQUE Value 400, Hei-TORQUE Precision 100, Hei-TORQUE Precision 200, Hei-TORQUE Precision 400

Silverson L5M-A

The latest development in high shear lab mixing – the new Silverson L5M-A – is ideal for all laboratory work, research and development, QA analysis

VELP Scientifica DLS Digital Overhead Stirrer

Digital overhead stirrer for low-medium viscosity liquids with bright display.

VELP Scientifica FP4 Portable Flocculator

Portable flocculator that allows standard conditions to be adopted for jar test, that are the basic requirement for reproducible results.

VELP Scientifica Flocculators - JLT Series

Flocculators with multiple stirrers to allow standard conditions to be met during analysis

Series Models: JLT 4, JLT 6

VELP Scientifica Digital Overhead Stirrer - DLS

Digital overhead stirrer for low-medium viscosity liquids with bright display.

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Questions and Answers

Questions for Overhead Stirrers

speed control

Stirring speed becomes unavailable after 1 to 2 hours of use. Speed becomes 2000 rpm all of sudden. We had to stop our production. Please help!!


Do you know what year this product was discontinued?

Condition Monitoring technician

Hello, what is the correspondant speed for all the indication (1 to 10)

graph relation between velocity gradient and rpm

Dear all'  I would like to send me the relation between velocity gradiant with the rotation per min for impller due to my Phd study...

Silverson L5M-A

The machine run at high speen & stop after few second, and the LCD displays "OVERCURRENT TRIP (CYCLE MAIN PWR)". What's wrong...

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