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UV WATER FILTERS

You are here : Home | Products & Systems | Water Filters | UV Water Filters


  • IWE SPS Range UV Water Filter
  • IWE SDB Range UV Water Filter
  • IWE S008 Range UV Water Filter
  • IWE SDS Range UV Water Filter
  • IWE SPS Range UV Water Filter
  • IWE SDB Range UV Water Filter
  • IWE S008 Range UV Water Filter

UV Water Filters

 

Industrial UV Range

 


Residential UV Range

 


Water Treatment Equipment – UV Water Filters

Ultra Violet water treatment systems or UV sterilisation is unlike other conventional water treatment solution. It is not a filter, as it doesn’t actually remove anything from water. Instead, a UV light is emitted, destroying the DNA of any pathogens that cross its path such as viruses and bacteria. UV is a clean, safe, easy and cost effective way of treating your water. If used correctly it can destroy 99.99% of all pathogens it comes into contact with. 

Industrial Water Equipment offer a comprehensive range of UV Water Filters ranging from small single use 4lpm UV filter units, right through to large UV Filters for commercial applications.

We are also able to offer a complete range of UV spares and parts including replacement Lamps, Quartz Sleeves and Power Supplies for all our UV range.

UV Water Filter Information

In order to fully understand UV disinfection, it is important to have some understanding of what UV light is. UV light sits somewhere on the electromagnetic spectrum between visible natural light and X-rays.

UV radiation is invisible to the human eye but its effects can regularly been seen in the way of sunburn or sun damage to our skin after prolonged exposure.

UV light that is used within UV disinfection systems is set at a particular wavelength causing the breakdown and rearrangement of the DNA of any microorganisms it comes into contact with.

The rearrangement of the microorganisms DNA prevents it from reproducing and therefore preventing it from infecting or allowing for it to be contracted from one living being to another.

What is a UV sterilisation system

UV disinfection is a very cost effective way of treating your water supply. Although, in the initial stages, it is more expensive than alternatives such as chlorination, this expense is soon recouped over the units lifespan as low maintenance and low intervention is required to keep the system up and running. Bulbs require replacement annually if the system is in constant use. This can be limited to twice yearly if the system is used more sporadically or up to 6 months of the year. The only consumable costs to keep the unit up and running is 30-48W electricity costs and bulb replacement.

A UV disinfection system works by emitting UV light into an enclosed chamber. Any water passed through the chamber will also pass through the UV light. Once the UV light has had enough contact time, any bacteria, viruses or pathogens contained within the water will have been disabled. The UV light emits powerful rays that work to destroy the DNA of living cells rendering it a powerful tool in neutralising pathogens.

Natural water sources are usually contaminated with various different microorganisms such as viruses, bacteria and cysts, all of which can be harmful in ingested, particularly to the young, elderly or those who have a compromised immune system. These types of water sources therefore require some form of water treatment before use. Surface, borehole or well water is a prime example and are ideal for UV sterilisation.

UV sterilisation is the main method used within the industry for actually killing bacteria. There are many other technologies available, which remove particles down to ≤1µm. These technologies can be more expensive and may actually remove more than you require such as valuable minerals that help with taste.

Can UV be used as a stand-alone filter

UV sterilisation is not a filter. Alongside UV Disinfection, pre treatments and post treatments are likely to be required to produce a clear, particulate free water and to ensure the UV sterilisation process is not adversely affected.

Ideally, before the UV there will be a sediment filter and directly after the UV, a carbon filter to achieve a good drinking quality water.

Does flow rate matter

Flow rate in another important factor in the effectiveness of UV sterilisation. There needs to be adequate contact time between the water and the UV rays to ensure that viruses and bacteria are effectively disabled. If the flow rate is too high, the appropriate amount of contact will not be made and therefore UV sterilisation will be ineffective. On the other hand, a low flow rate can be equally as problematic. If the water flow passing through the UV is too low, this can lead to heat building up in the chamber causing irreversible damage to the bulbs. An ideal flow rate is determined dependent on the size of your unit and the make and model of the unit. This can range between 20-65psi if your flow exceeds 75 PSI then it would be advisable to apply a pressure reducing valve. For further information on suitable flow rates and system compatibility, give us a call and speak to one of our engineers.

Will UV effect produce on a production line

UV sterilisation is become increasingly more common due to more stringent regulations within the foods, beverage and pharmaceutical industries. It’s a clean way of disinfecting water without adding any taste, colour or odour to the final product. Your product will remain unaltered whilst you can be assured that 99.99% of the bacteria that was present will have been effectively treated. UV sterilisation is mimicking a natural process of UV radiation of the suns rays. Although UV radiation is a great way of disinfecting and killing bacteria, nothing is removed by using this process. The bacteria will remain in the water and will no longer be harmful. UV Sterilisation is ideal if your water supply is already clear and UV is solely required to disinfect from viruses and bacteria. Liquids with high turbidity however is not ideal as bacteria and viruses can be shielded from the larger particulates suspended within the water. Ideally, a pre filter would be situated before the UV sterilisation unit.

Is UV cost effective

Another reason UV is becoming more favoured for use in industry is not only down to its effectiveness but also its efficiency. The best alternative for UV is boiling of water. In principle this seems a relatively simple process and therefore should be an economical method too right? Wrong! Boiling large quantities of water for disinfection is hugely labour intensive and costs a significant amount in energy and therefore money. Once a UV is installed, it requires very little intervention. Overall, in regards to energy consumption and personnel time, UV is approximately 20,000 times more economically efficient than boiling.

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