Nx Series 18-37kW


Nx Series compressors combine efficient operation with outstanding durability in the most demanding environments, from construction to light industrial.

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Nx 18-37

The Nx Series offers a space-saving profile that’s easy to install while accommodating limited floor space. The integrated separator, MPV and thermostatic valve reduce connections by up to 90% -- meaning fewer opportunities for leaks.

The Nx series also comes in variable speed drive for 8-90kw for even more efficiency and energy savings opportunities.



Designed for quiet operation.

  • Integration of centrifugal blower and drive motors make for extremely smooth and quiet operation
  • Extra-thick sound insulation reduces noise
  • Can be installed in applications where a quiet setting is important


The ultimate in system protection and reliability.

  • Protects critical components from compressor-generated heat
  • Extends component life and reduces downtime
  • Compartmentalized air flow design and standard aftercooler


Built to the highest levels of dependability and reliability.

  • Standard TEFC motor protects compressor from surrounding dirty air, increasing the efficiency and proloning the life of the motor.
  • Spin-on air/oil separator allows for quick maintenance and results in one-to-three PPM oil carryover. This translates into lower maek-oup oil costs and higher quality compressor air. This
    translates into lower make-up oil costs and higher quality compressed air.


Designed for low cost of ownership and easy service.

  • Space-saving compact design
  • Exclusive FS-Curtis airends feature the latest rotor
    profile to maximize efficiency
  • Simplifies maintenance through easy access to
    all components

NxGen Warranty

FS-Curtis backs the Nx products with first in industry extended warranty. The major components such as electric motor, separator tank, air/oil cooler and VFD/controller are covered by a full non-prorated 5 year and our airends are covered for a full 10 year of peace of mind coverage.

Since 1854, our legacy at FS-Curtis is to build durable and long lasting products. Since we believe in what we manufacture, we back our products with an unprecedented, long standing, best warranty in the industry.



The Nx Series with iCommand Touch Controller was awarded the Gold Award for the 2015 Plant Engineering Product of the Year Compressed Air