Compressed air treatment

Atlas Copco Refrigerant Dryers

Moisture in your airline causes problems across a compressed air system — rust and corrosion in the receiver, blocked drains, excessive tool wear, and spoiled spray finishes in painting applications.

The solution is an Atlas Copco refrigerant dryer: a cost-effective, reliable air dryer that removes the majority of water vapour and prevents condensation, achieving a stable pressure dew point (PDP) down to +3°C.

Atlas Copco FX refrigerant dryer supplied by Design Air

+3°C

stable pressure dew point

Class 4

ISO 8573-1:2010 air quality

3-60 mo

finance options

7 yr

Guardian warranty

How it works

How Does a Refrigerant Air Dryer Work?

A refrigerant dryer works on a simple, proven principle, much like a household refrigerator, delivering clean dry air in three steps.

1. Chilling

Hot, wet compressed air first passes through an air-to-air heat exchanger that pre-cools it, then an air-to-refrigerant heat exchanger rapidly chills it, forcing the water vapour to condense into a liquid.

2. Separation

The liquid moisture is removed from the air stream by an integrated water separator and automatically evacuated by a drain.

3. Re-heating

The cold, dry air travels back through the air-to-air heat exchanger and is reheated before exiting, preventing condensation forming on your downstream pipework.

Understanding pressure dew point and air quality

Air quality

Understanding Pressure Dew Point (PDP)

The pressure dew point is the temperature at which compressed air is 100% saturated with moisture and condensation begins to form.

A refrigerant dryer delivering a PDP of +3°C, like the Atlas Copco FX and FD range, guarantees no liquid water will form in your system as long as the ambient temperature stays above 3°C. This meets the ISO 8573-1:2010 Class 4 standard, ideal for the vast majority of industrial and manufacturing processes.

Lowest total cost of ownership Atlas Copco refrigerant dryer

Why choose us

The Lowest Total Cost of Ownership

You will likely keep your new air dryer for at least 10 years, and around 80% of your total cost of ownership over that period is electrical energy.

Atlas Copco refrigerant dryers are extremely efficient and designed to minimise energy consumption, typically offering the lowest total cost of ownership once you factor in purchase price, running costs and maintenance. That focus on efficiency cuts your energy costs and delivers a rapid return on investment.

Buying with Design Air

Flexible Finance and a Long Warranty

Finance options

We can be flexible to meet your payment requirements. A new Atlas Copco dryer is a long-term investment, so we can finance it over 3-60 months. Rather than waiting for a return, you save immediately — we can show that your monthly payments are lower than the energy savings the new dryer delivers.

7 Year Guardian Warranty

As official Atlas Copco distributors, agreeing a Guardian Service Plan with us means your new refrigerant dryer comes with a 7-year warranty. If it ever fails to run reliably and efficiently, you will not pay a penny for the repair.

The range

Our Range of Atlas Copco Refrigerant Dryers

From standard-efficiency units to premium variable-speed models, matched to your flow rate and energy budget.

Atlas Copco FX Series standard refrigerant dryers

Atlas Copco FX Series (Standard Dryers)

  • 14 – 2,374 cfm
  • 13 – 16 bar(g)
  • +3°C PDP

Reliable, cost-effective drying for everyday industrial air. A compact, plug-and-play solution for general workshop and manufacturing use.

Key details
  • Max capacity: 14 – 2,374 cfm
  • Max pressure: 13 – 16 bar(g)
  • Pressure dew point: +3°C
Atlas Copco FD and FD VSD+ premium efficiency refrigerant dryers

Atlas Copco FD & FD VSD+ (Premium Efficiency)

  • 13 – 8,480 cfm
  • 13 – 16 bar(g)
  • +3°C PDP

Premium-efficiency dryers, including variable-speed drive models that match energy use to demand for the lowest possible running costs on larger installations.

Key details
  • Max capacity: 13 – 8,480 cfm
  • Max pressure: 13 – 16 bar(g)
  • Pressure dew point: +3°C
Atlas Copco refrigerant dryer installation

Free quote

Size the right dryer for your system

Tell us your flow rate and pressure and we will specify the correct Atlas Copco refrigerant dryer and show you the energy savings.

FAQs

Refrigerant Dryer FAQs

What’s the difference between a refrigerant and a desiccant dryer?
A refrigerant air dryer, like the FX and FD models, cools the air to +3°C to remove moisture — the most common, cost-effective solution for most industrial applications. A desiccant air dryer uses adsorption material to reach a much lower pressure dew point, typically -20°C, -40°C or even -70°C. Desiccant dryers are only necessary for highly sensitive applications (food, pharma, electronics) or pipework exposed to sub-zero temperatures.
What are the UK F-Gas Regulations for air dryers?
The F-Gas Regulation is UK and EU law designed to phase down refrigerants with a high Global Warming Potential (GWP). All modern Atlas Copco refrigerant dryers are designed to be fully compliant, using newer low-GWP refrigerants such as R410A, R134a or R513A. As a certified F-Gas handling company, Design Air is legally qualified to install, service and maintain your dryer in full compliance with UK law.
What maintenance does my air dryer need?

Refrigerant dryers are highly reliable but need simple, regular maintenance. The key tasks, all part of our Guardian Service Plan, include:

  • Weekly: checking the condensate drain is discharging water and not blocked.
  • Monthly: cleaning the condenser fins for unrestricted airflow and efficient cooling.
  • Annually: replacing the pre-filter element to protect the heat exchangers from oil and dust.

Talk to Design Air

Ready to dry your compressed air?

Tell us your flow and pressure and we will specify the right Atlas Copco refrigerant dryer, quote it and show your return on investment.