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Ultra Violet Disinfection System

UV – the Simple Chemical-Free Option in water treatment Ultra Violet (UV) disinfection is a physical process and does not require the use of potentially harmful chemicals, it does not create any disinfection by-products. Furthermore, there is no strenuous maintenance schedule and is even effective against microbes and protozoan cysts that are highly resistant to chlorine, eliminating these threats from water with an effectiveness of 99.99%. Proven and tested by the largest municipal water treatment systems, UV is an excellent, low-maintenance way to disinfect drinking water. If you are feeling the urge to ditch chemicals, think UV.

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How does UV Work?

The ultraviolet (UV) treatment process is an extremely quick physical process. Ultraviolet light mutates and/or degrades DNA. DNA (or deoxyribonucleic acid) is the part of the cell that gives an organism its instructions on how to function and reproduce.

When the DNA is damaged, the organism becomes unable to function because its “instructions” are garbled or missing. An organism that has no instructions cannot function and reproduce, and cannot cause infection. It is rendered harmless and eventually dies.

In the ultraviolet disinfection process, water is purified as it runs through a stainless steel  chamber (also called a “reactor”) that contains a special UV- producing lamp. As the water  flows past the lamp, the microbes in the  water receive a lethal dose of UV.

The water is then safe to drink. However, different organisms require different levels of UV energy to disrupt their DNA. This energy level is known as a UV dose.

Main Components of a UV

There are a variety of UV disinfection systems on the market, however, they all contain the same general components, from the very large systems that disinfect water for commercial or industrial operations, right down to an under-sink system treating drinking water at the point of use.


The four main components of a UV system are:

1. The reactor chamber

2. The UV lamp

3. The quartz sleeve

4. The controller unit (also called a ballast)


There are other optional parts such as sensors and solenoid valves that can also be a part of a system, however, these four components are the basis of all UV systems.