R4 direct expansion
refrigerated air dryers

Some of the many features and benefits:

  • patented large surface area heat exchanger boasts corrosion resistant construction and integrated moisture separator

  • simple to use CAREL digital microprocessor features dew point, high and low pressure and drain operation

  • powder coated aluminum panels are corrosion resistant

  • TXV ensures stable dew point performance even in changing ambient conditions

  • environmentally friendly R134a or R407C refrigerants are recognized as both efficient and safe

  • timed solenoid drain is fully adjustable and extremely reliable

  • small footprint, lightweight and ready to go out of the box

  • oversized condenser uses a high pressure fan switch to protect refrigeration circuit to provide visual high and low pressure alarms

nano NDX direct expansion refrigerated air dryers allow customers running a consistent volume of compressed air the ability to achieve excellent dew point performance and save energy.

 

The high-quality SSX stainless steel heat exchangers (multi-module NDX 1750 and up), environmentally-friendly refrigerants and reliable compressors make NDX the best value go-to air dryer in the industry.

Reliability is built in...and backed by our 2 year warranty with pre-filtration and non-corrosive piping installed

NDX refrigeratd air dryers

support materials 
R4 direct expansion refrigerated air dryers

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R4 NDX direct expansion refrigerated air dryers brochure

refrigerated air dryer sizing

nano refrigerated air dryer application worksheet

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ISO 8573 compressed air quality standards