ProMinent Spectra progessive cavity pumps are designed for metering fluid polyelectrolytes as concentrate or dilution.
Versions
* With manually adjustable gear
* With speed controller and posistor probes (for operation with frequency converter)
* With speed controller, posistor probes and separate fan (for operation with frequency controller)
Advantages
* Pulsation-reduced metering
* Discharge flow proportional to speed
* Reversible conveying direction
