Air Dryers
Compare refrigerated, packaged, combination and adsorption compressed-air dryers from approximately 4 to 1530 CFM for moisture control, improved air quality and dependable system performance.
Which Type of Air Dryer Do You Need?
The right dryer depends on the required pressure dew point, compressor airflow, working pressure, inlet temperature, ambient temperature, available space and whether filtration should be supplied separately or as part of the dryer package.
Explore Our Air Dryer Ranges
Refrigeration Dryers
Standalone refrigerated dryers for general workshop and industrial compressed-air moisture control.
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Refrigeration Dryer Packages
Pre-matched dryer and filtration packages for a simpler complete compressed-air treatment route.
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Combination Dryers
Compact refrigeration dryers with integrated filtration for simpler installation and servicing.
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Adsorption Dryers
Desiccant dryers for very low pressure dew points and more demanding compressed-air applications.
View Adsorption Dryers →Compressed Air Dryer Buying Guide
Moisture forms naturally as compressed air cools. Without effective drying, water can contribute to pipework corrosion, pneumatic equipment problems, inconsistent process quality and increased maintenance.
| Dryer Type | Best For | Typical Dew Point Route | Filtration |
|---|---|---|---|
| Refrigeration Dryer | General workshop and industrial moisture control | Commonly around +3°C pressure dew point | Selected separately |
| Refrigeration Dryer Package | Sites wanting a pre-matched dryer and filter arrangement | General industrial drying | Included according to package |
| Combination Dryer | Compact installations with integrated treatment | General industrial drying | Integrated |
| Adsorption Dryer | Very dry air, freezing conditions and sensitive processes | Commonly -40°C, with other options model-dependent | Correct pre- and after-filtration required |
What We Supply
- Standalone refrigerated dryers for general compressed-air moisture removal.
- Dryer packages with filtration for easier system specification.
- Combination dryers with integrated filters for compact installations.
- Adsorption dryers for low pressure dew point and critical air-quality requirements.
How should an air dryer be sized?
Select the dryer from the compressor's actual delivered airflow, then apply the manufacturer's correction factors for working pressure, inlet temperature and ambient temperature.
Why is spare dryer capacity important?
Allowing suitable spare capacity helps account for warmer operating conditions, demand peaks, pressure variation and future system growth.
When should I choose an adsorption dryer?
Adsorption drying should be considered where the required pressure dew point is significantly lower than a refrigerated dryer can provide, or where compressed-air pipework may be exposed to freezing conditions.
Do I still need filters?
Usually, yes. The required filter arrangement depends on the compressor, dryer technology, final air-quality requirement and whether filtration is already integrated into the package.
Can I size a dryer from compressor motor kW?
No. Dryer selection should be based on actual delivered airflow and operating conditions rather than compressor motor size alone.
What should be checked before installation?
Confirm airflow, operating pressure, required pressure dew point, inlet temperature, ambient temperature, electrical supply, ventilation, condensate drainage, connection sizes and service access.
Air Dryer FAQs
What is the difference between a refrigeration dryer and an adsorption dryer?
Refrigeration dryers suit general compressed-air moisture control, while adsorption dryers are used where significantly drier air and lower pressure dew points are required.
What airflow range is available?
The overall range covers approximately 4 to 1530 CFM, depending on dryer type and model.
Which brands are available?
Available ranges include FSN, Hiline, Tanair, Omega, MOK and MKE products, subject to current availability and individual model selection.
Can Compressed Air Systems UK install and service air dryers?
Yes. Installation, pipework, filtration, condensate management, commissioning, servicing and repair support are available subject to the equipment and site requirements.
Do I need a dryer if my compressor already has a receiver?
A receiver provides compressed-air storage and can help with condensate separation, but it does not replace a correctly selected dryer where controlled moisture removal is required.
Should I choose a dryer package instead of a standalone dryer?
A dryer package can simplify specification where filtration is also required. A standalone dryer may be more suitable where existing filtration is already adequate or where a custom treatment arrangement is needed.
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