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We recommend a compressed air dryer for almost all compressed air applications. This is because condensation forms in the compression process of compressed air. This condensation (water) has a harmful effect on your compressed air line network, machines and tools. The use of a compressed air dryer is necessary to protect your production.
An abundance of water and condensation in your air flow can cause a lot of damage to your equipment and production. Water in the compressed air system can:
A compressed air dryer removes the unwanted condensed water, giving you dry air and prevents the formation of rust and corrosion.
Cooling dryers use a cooling gas to cool the compressed air and then remove the water condensate from the air. With this technique we can reach a temperature of at least 3ºC. ALUP dryers are equipped with R134a, R410A or R45A cooling gas. This gas has the lowest possible environmental impact, and no influence on the ozone layer.
Adsorption dryers use absorbent to remove the humidity from the compressed air. With this method we can reach a dew point of -20ºC, -40ºC or -70ºC.
The choice of a compressed air dryer depends on the functional requirements for compressed air, regulations (such as BRC, BCAS, IFS and Pharmacopoeia to name a few) and the application.
A cooling dryer is the most used dryer for compressed air. By cooling the temperature back to around 3ºC, most of the moisture is removed and the compressed air is suitable for 90% of the applications. ISO 8573-1: 2010 purity class 4 is met by using a cooling dryer.
The use of an adsorption dryer is desirable when the compressed air must have an even lower pressure dew point. Adsorption dryers have a pressure dew point between -20ºC, -40ºC or -70ºC. Adsorption drying is often used in applications for the food, pharmaceutical, medical and chemical sectors.
Our sales engineers are happy to advise you on choosing the right compressed air dryer for your situation.
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Unit 5 Westway 21 Chesford Grange
Warrington
Cheshire
WA1 4SZ