Gas Feed Systems
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V-2020 |
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E-2000 |
For many decades chlorine gas has been the predominant
chemical for the disinfection of water. The most economic
disinfectant is available as gaseous or liquid chlorine
supplied in cylinders or ton containers. Using a remote
vacuum operated gas feeder a chlorine solution is prepared
on site from chlorine gas and water.
This solution is used as disinfectant. Wallace & Tiernan
chlorinators operate to the all-vacuum principle, this
means there is vacuum from the cylinder up to the injector.
The new full vacuum gas feeder V10k and the other models
can also be used for metering carbon dioxide (CO2) for
lowering the pH and for sulphur dioxide (SO2) for dechlorination
applications.
The range of units available is capable of dosing from
3 ... 60 g/h Cl2 (V 2020) up to 10 ... 200 kg/h Cl2
(V 2030), thus covering any capacity to meet any requirement.
For capacities above 25 kg/h Cl2 a liquid chlorine evaporator
(E 2000) should be used.
The worldwide proven Wallace & Tiernan V-notch
gas flow control technology provides a wide range and
very high repeatability. Control of the gas feed rate
can be manual or automatic via an electric positioner.
As optional accessories automatic chlorine cylinder
change-over units in various capacities are available.
By switching over from empty to full chlorine containers
an uninterrupted gas supply is provided.
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Process Technology 
