56-61 DOSING PUMPS:SPN Master pages 20/11/2009 10:02 Page 58
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VERDERFLEX LAUNCHES AURA AS
PUSH BUTTON AUTOMATIC SYSTEM
Verderflex has launched Aura, a dosing exceptionally quiet and not subject to off-
pump which features an automatic tube gassing or vapour locks.
loading feature that is activated by push Its design is uncomplicated with only
button. The pump can be used as an one wearing element, the tube. And it
alternative to piston pump models and is needs no return valve as the rotor
ideal for leisure centres, swimming pools, maintains a seal between the dosing area
and even saunas. and the chemical reservoir.
Suitable for shearing sensitive Leisure centres, swimming pools, saunas,
flocculants due to its gentle pumping are ideal for the Verderflex Aura.
action, the pump is quiet in operation and This pump provides a controllable,
is not subject to off-gassing or vapour timed, fixed flow rate dose for up to 20
locks. Verderflex says the push button minutes with variable over-dosing
priming simplifies dosing chemical protection or lockout of up to 20 minutes.
changeover and further reduces downtime. Both dosing timers have removable
Leisure centres, swimming pools, protective plugs with screwdriver slot
saunas, small scale water treatment adjustment, deterring unauthorised into contact with the dosed liquid and,
plants and residential complexes will be alteration. as it can be sterilised, this pump is
the main beneficiaries of the new low The Verderflex Aura's automatic tube hygienic and suitable for a wide range of
flow, high pump Verder pump. It loading feature is normally only found on chemicals. It is also tolerant of small
provides high performance in a small more sophisticated pumps. It also has push solids and therefore not dependent on
package and includes automatic tube button priming that simplifies dosing solutions being thoroughly mixed. And
loading, a feature that is normally only chemical changeover and further reduces thanks to its gentle pumping action, the
found on more sophisticated pumps. This downtime. Verderflex Aura is especially suited to
new addition to the range is, Only the tube and connectors come shear sensitive flocculants.
worldwide, offers possibly the largest non-filterable particles are rendered of activated carbon is always affected
range of metering pumps. filterable. The particles that are to be before the flocculation.
Water filtration is a step in swimming filtered, so-called colloidal disperse Signal Pumps offers perhaps the UK’s
pool water treatment that, for optimal substances, are not visible to the naked most complete range of dosing and
results, requires the dosing of flocculants eye. As these small particles (1 µ/mm) are metering pumps, with an advanced choice
into the water. By means of flocculants, charged with negative energy, they can of controllers and chemical
be attracted by positively charged mixers/agitators.
The S400 DME mechanical diaphragm
flocculants. The compound of particles to When it comes to chemical dosing,
pump from Signal Pumps which
be filtered and flocculant is filterable. surely no pump supplier can draw on
features Digital dosing with stepper
As very small doses are used, the quite the experience of Signal. Signal’s
motor technology
metering exactitude must be very high. parent – Gee & Company – has decades
The dosing place should be positioned a of experience in the design and
sufficient distance to the filter in manufacture of chemical dosing systems
order to grant an adequate for the water, power, process and
reaction time. Mixing can manufacturing industries.
be intensified with an There is no shortage of choice when it
appropriate mixer unit. comes to identifying the right pump for
If the flocculant dosing the right job. For the large
is to be effected on the displacements, the choice includes
suction side of the double diaphragm, air-operated pumps
circulation process, the and progressive cavity pumps. Look at
problematic of the smaller end of the metering market
flocculant divestiture is and there is a whole array of pump
to be observed and the types available.
dosing of activated Etatron is one of Certikin’s longest-
carbon should be standing partners in the chemical industry.
avoided. This Etatron is one of Europe’s largest
procedure would manufacturer of chemical dosing pumps,
cause strong wear and sells their own manufactured dosing
on the circulation systems for the pool and spa trade
pump, as the dosing through Certikin.
“ONE OF THE BASIC ADVANTAGES OF USING METERING
PUMPS FOR THE CONTROL OF ADDITION CHEMICALS
IN SWIMMING POOLS IS THAT THE MAKE-UP CHEMICAL IS
ADDED PROPORTIONATELY TO THE RATE IT IS BEING USED”
58 Swimming Pool News December 09 >>> Digital edition available at www.swimmingpoolnews.co.uk
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