Forget reciprocating piston pumps, the new Verderflex Aura Peristaltic Dosing Pump is a far superior alternative. This new addition to the range is unobtrusive, exceptionally quiet and not subject to off-gassing or vapour locks.
 The Verderflex Aura has been introduced to set new performance standards in the low flow dosing market. Its design is uncomplicated with only one wearing element, the tube. And it needs no return valve as the rotor maintains a seal between the dosing area and the chemical reservoir. The pump's streamline housing is rated for IP66/NEMA 4 protection and the control panel is simple and clear.
Applications in leisure centres, swimming pools, saunas, small scale water treatment plants and residential complexes are ideal for the Verderflex Aura. It's also a good choice for low volume fragrance dosing in supermarkets and spas and even for dosing into cooling towers.
This pump provides a controllable, timed, fixed flow rate dose for up to 20 minutes with variable over-dosing protection or lockout of up to 20 minutes. Both dosing timers have removable protective plugs with screwdriver slot adjustment, deterring unauthorised alteration. Flows are up to 80ml/min or 5 litres/hour with pressures to 4 bar and accuracy with no slip to better than ±2.5%.
The Verderflex Aura's automatic tube loading feature is normally only found on more sophisticated pumps. It also has push button priming that simplifies dosing chemical changeover and further reduces downtime.
Only the tube and connectors come into contact with the dosed liquid and, as it can be sterilised, this pump is hygienic and suitable for a wide range of chemicals. It is also tolerant of small solids and therefore not dependent on solutions being thoroughly mixed. And thanks to its gentle pumping action, the Verderflex Aura is especially suited to shear sensitive flocculants.
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