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FD refrigerated air dryers

Based on direct expansion technology, our high quality FD refrigerated air dryers remove moisture from compressed air with a stable dew point as low as +3°C/+37.4°F. Water- and air-cooled versions are available.

The introduction of Atlas Copco’s VSD (and later VSD+) compressor technology was an industry milestone. With the FD VSD, we are extending this energy-saving principle to your quality air equipment as well.

Refrigerated compressed air dryer FD1750 VSD +

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FD VSD + range
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FD VSD 100-300, FD 5-95 and FX 1-16
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FD refrigerated air dryers

Atlas Copco’s FD Refrigerant Air Dryers remove moisture from compressed air before it enters the air network, preventing costly damage to air tools, instruments, mechanisms and piping.



Up to 65% energy saving with the VSD technology

Over 35% of the dryer’s lifecycle cost is taken up by the energy it consumes. To cut your energy costs,we offer FD VSD refrigerated compressed air dryers with Variable Speed Drive (VSD) technology. VSD leads to major energy savings, reducing the consumption of energy producing fuels and protecting the environment for future generations.

What is VSD Technology?

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Technical benefits

Stable due point
The FD/FD+ (VSD) dries air to a stable dew point (as low as +3°C / +37°F) regardless of ambient air temperature. 
Pure compressed air
Refrigerated air dryers FD/FD+(VSD) exceed the international standards for compressed air purity ISO 8573-1:2010. Class 4
Smart AIR solutions
Designed to work together with our class-leading range of air compressors and controllers, the refrigerated air dryer FD/FD+ (VSD) saves energy and protects your production.
Improved energy efficiency
The FD/FD+ (VSD) compressed air dryer saves energy from the first minute of operation due to a low pressure drop, high-efficiency components and an advanced control system
High efficiency heat exchanger
Counter-flow compact brazed plate or aluminum heat exchanger, with air-to-air side for optimum cooling efficiency and the lowest possible pressure drop.
Elektronikon® Touch controller
Provides advanced control and allows for remote monitoring.

Fixed speed

FD and FD+ fixed speed

The FD and FD+ fixed speed refrigerated air dryers are designed for industry leading efficiency. 

Robust and reliable the FD and FD+ are fitted to cope with heavy loads. 

The FD and FD+ dryers are equiped with the Mk5 controller.

Variable speed drive

FD and FD+ Variable Speed Drive (VSD)

The FD and FD+ VSD refrigerant dryers have the advantage to be the lowest energy consumption refrigerated dryers. VSD enables to save up to 65% of energy. 

What is VSD Technology?

VSD for Refrigerant Dryers

FD Green
The FD green range provides the most sustainable solution with low GWP refrigerant gas.
FD VSD Green front view


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