Air Compressor Design, Installations, Repair and Maintenance Experts


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Refrigerated Air Dryers

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Refrigerated Air Dryers in the DRY range from ABAC benefit from continuous development to achieve the highest possible reliability. Only first class components are used that have undergone rigorous testing under extreme operating conditions. They have automatic operation and constant dewpoint control under any load condition.

Main features of Refrigerated Air Dryers:

  • Simple design and generously sized

  • High quality components make unit safe and reliable over time

  • Low maintenance, long service intervals and easy access to internal components

  • Fewer components that are subject to wear

  • Low pressure drops throughout system resulting in high energy savings

  • No wastage of compressed air due to intelligent (zero loss) automatic discharge of condensate

  • No CFC therefore OZONE friendly

  • Thermal insulation guarantees high efficiency

Oil Water Separators

How is the PURO range different?

  • Gravitational separation is not relied upon as the PURO series utilises a primary stage filter bag that absorbs oil but not water.
  • Unique full length oleophilic oil filter system ensures only clean filter is aligned to the water surface.
  • Waste oil is safely contained within the filter allowing safe, clean and convenient disposal.
  • Service life and efficiency of the carbon bag in the second stage is significantly increased due to the efficiency of the stage on filtration.
  • Convenient installation due to simple design and set up.
  • Suitable for mineral and synthetic lubricants.
  • Synthetic coolants may be used with no reduction in capacity.
  • An investment for the future.
  • Max. Compressor capacity 70m3/min.


The new PURO range of Oil Water Separators provides a solution to the growing problem of the toxic and hazardous condensate produced as a by-product of compressed air generation. This condensate poses a real danger to the environment and this coupled with the stricter regulations governing the control of this substance provides a real challenge to all users of compressed air, in order to avoid fines and prevent the release of this dangerous substance into the environment. By employing new filtration procedures the PURO series provides maximum security along with ease of use and simple low cost maintenance.

Conventional condensate separators rely on the physical separation/gravitation of the oil from the water so that the oil can be drained separately and the remaining water cleaned through an activated carbon media. Vibrations or shocks and any turbulence caused by an increase in compressed air flow can adversely affect this process. The oil produced needs to be drained from the system into a container before disposal. Finally, the water sits in the primary tank for some time and may become stagnant therefore posing health risks.

Adsorption Air Dryer

The OekoDry 2000 series of adsorption air dryer from Alup

are complete systems with heatless adsorption dryer, pre and after filter and condensate drain. There are two types in the series, MINI and MIDI, with a total of 9 frame sizes on offer. They supply reliable and efficient compressed air conditioning in line with demand.

Within the OekoDry 2000 series is a SuperPlus version with a special feature of the sensing of the desiccant loading condition by means of a micro-processor control. This reduces the amount of valuable regeneration air required by 40% on average and the service life of the desiccant is considerably lengthened.

The use of new Economizers increases the efficiency of the overall system. Moreover, the operation of the two filters is monitored and the most favourable time of change of the filter elements established.

Main features of Adsorption Air Dryers:

  • Pressure Dew Points

  • Up to -40c Cat 100% nominal load

  • Up to -70c Cat 70% nominal load and a maximum inlet temperature of 35c

  • Flow rates up to 5 – 100m3/h

  • Regeneration air requirement ca.17% of the nominal flow

  • Operating pressure 4 – 16 bar

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Airline Filter Units


Filters within the range are:

  • AQF – Ceramic Filter – the ideal first protection stage of the compressed air system due to its great resistance to heat and wear. It is suitable for intercepting a large quantity of solid and liquid particles, up to 3 micron, with minimal drop in pressure. Filter element is made from layers of glass microfiber and layers of non-woven polyester.
  • APF – Prefilter – Ability to intercept solid and liquid particles up to 1 micron. Apart from the greater degree of filtration, the features are the same as the AQF series. To avoid premature clogging of the desoiling filter use as a prefilter to the AHF series.
  • AEF – Coalescing Filter – Interception filter suitable for hard and oil particles up to 0.1 micron in diameter. Microdroplets which drip at the bottom of the filter housing are formed by submicronic particles, which strain through the element from the inside, colliding with each other by means of impact, interception and coalescing principles. The housing itself is made of a layer of borosilicate fibre-layer supported by two inner and outer stainless steel structures.
  • AHF – High Efficiency Coalescing Filter – Suitable for solid and oil particles up to 0.01 micron in diameter. Similar to the AEF series, the degree of filtration is the only difference. Suitable for use in installations where high levels of purity are essential due to the air passing through the filter being 99.99% oil free. Utilise after a dryer as a desoiling filter, it is the optimal prefilter for the ACF series.
  • ACF – Activated Carbon Filter – Able to attract, through the absorption process, all remaining odours and vapours left after desoiling and attach them to the active carbon particles. The ACF filter must always be preceded by the AEF or AHF filter. The filtering element is made of a bed of activated carbon covered by a fibre coating, kept in place by an inside and outside stainless steel wall.

Main features of Our Compressed Air Filters:

  • High efficiency with low pressure drop ensures low operating cost
  • Anti-corrosion protection for high endurance in heavy working conditions
  • Made from cast aluminium
  • Quick cartridge exchange with integrated seals
  • Colour coded filter element end caps. Direction of air flow, inside to out, through filter element
  • Activated carbon filters will not remove certain types of gases including carbon monoxide and carbon dioxide and must not be operated in oil saturated conditions
  • Grade CF elements must be changed at least every 6 months
  • Float operated automatic drain valves for models AEF, AHF and AQF. Manual drains on models ACF and APF
  • Threaded filters and filter elements are suitable for use with mineral and synthetic oils plus oil free compressed air applications
  • Threaded filter elements are silicon free
  • Optional extras including wall mounting kits and differential pressure gauges
  • Activated carbon towers for larger applications available to order.

CamAir offer a comprehensive range of silicone free compressed air filtration products for use in almost every industrial environment. The filters are manufactured using cast aluminium housings. The high efficiency filter construction enables a low pressure drop and ensures low operating costs. All filter bodies are coated with blue polyester finish to eliminate corrosion.