Air Treatment

Do you have a problem with water in your air? How can you achieve oil free air? How do you dispose of leftover condensate? These are just a couple of the issues we get approached regarding.

The compressor is just the beginning of your compressed air system, and in order to be compliant with ISO 8573-1 you will need to treat the air that’s generated.

After the compression process, contaminants such as water, oil and particles are still present in the air and this can cause damage to equipment and even spoil production.

There are increasing demands to meet and ensure high quality air in production, and Direct Air can advise on a range of compressed air treatment products to ensure you have the correct equipment for your application.

Implementing the right filtration and dryers in your compressed air system not only protects your machinery but can also improve overall efficiency.

Filtration

Air leaving a compressor normally has a high-water content as well as some oil carry over, and to remove these impurities, filters will need to be added to the compressed air system.

Depending on the application for the compressed air, different filtration levels are required:

  • Compressed intake filters remove over 80% of particulate contaminants to 0.3 micron.
  • Particulate filters are used to remove dust and particles from the air.
  • Coalescing filters oil, water aerosols, dust and dirt particles to 0.01 micron.
  • Activated carbon filters remove odours and vapours.
  • Bacteria filters remove bacteria.

Filtration is particularly crucial in industries such as food and beverage, medical and pharmaceutical.

Enquire about filtration

Dryers

Excessive water, in either the liquid or vapour phase, can cause a variety of operational problems for users of compressed air. These include corrosion, freezing of outdoor air lines, promotion of the growth of bacteria and many more.

We can offer solutions using 4 different types of compressed air dryers:

Refrigerated Dryer

Removes moisture from the air through use of a heat exchanger. This water is then collected and drained out of the system drying the air to +3°C.

Desiccant Dryer

Able to reach dew points as low as -70°C, compressed air runs through a chamber filled with desiccant which adsorbs the moisture reducing the airs dew point.

Membrane Dryer

Removes water vapour by air passing through a membrane material and using a small amount of compressed air to purge away moisture.

Contact us about dryers

Condensate Management

Compressed-air condensate often consists of 99% water and 1% oil, so falls under the remit of polluting matter. Following the water industry act of 1991 and the environmental protection regulation of 1991, it is illegal to dispose of untreated condensate down the drain.

Direct Air can supply and install equipment to both remove condensate from your compressed air system and treat it onsite, keeping your company compliant with legislation while also saving money.

Zero Loss Drain

Condensate drains – designed for the electronically level-controlled discharge of the condensate in compressed air networks – function without unnecessary loss of compressed air and with minimal energy input.

Oil-Water Separator

Approximately 99% of condensate is water, which after treatment can legally be disposed of down the drain, saving costs on waste disposal companies.

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We consider your entire compressed air system from the compressor to downstream equipment & pipework.

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