Refrigeration Dryers

Safewell supplies refrigeration dryers from the Donaldson Buran and Boreas range.

Refrigeration dryers are used to remove water vapour from compressed air used in applications where the quality of air required is suitable for general purpose applications such as factory air tools inside factories and process buildings. They are not for use in applications where the compressed air pipe work is exposed to low ambient temperatures.These type of dryers lower the temperature of the compressed air to condense the water vapour which is then collected and discharged. The pressure dew point produced by refrigeration dryers is positive, typically +3Deg C to prevent water from freezing in the pipework. This type of dryer will not prevent bacteria from growing inside the air supply pipe work and is not suitable for applications where air quality is critical such as respiratory protection.

Buran Range

The Buran range is designed for small to medium volume flows of compressed air up to 1650 m3 / Hr providing a pressure dew point of 3 Deg C. The range features a microprocessor based controller allowing energy savings of up to 90%, (From DC 0150 AE) automatic level controlled condensate drain, dew point display and aluminium heat exchanger  which prevents internal corrosion due to wet air. The refrigerant is R134a which does not deplete the ozone layer.

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Boreas Range

The Boreas range is designed for medium to large flows of compressed air up to 14250 m3 /Hr in a single format and 28500 m3 /Hr in a twin format.

The range features microprocessor based Variopulse Control. Due to the load controlled energy consumption the nominal energy use is reduced by up to 90% using suction energy control or frequency converter control. The operator display shows current and historical paramters including pressure dew point, power consumption, alarm and alarm history, maintenance flags, operation hours.The refrigerant is R134a which does not deplete the ozone layer.

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