Hitachi America, Ltd.Hitachi Industrial Equipment

DSP SERIES: Oil-Free Rotary Screw Air Compressors 30 - 300 hp (20 - 240 kW)

Hitachi DSP Series rotary screw compressors are the premium, oil-free air solution for your application. With Hitachi, reliability comes standard, making downtime a distant memory. Hitachi also understands that air quality isn’t a nice-to-have, it’s a necessity, that’s why Hitachi DSP compressors are ISO Class Zero certified. Build the foundation of your compressed air system with Hitachi DSP Series compressors. You’ll be glad you did.

All of our products
are Eco-Friendly

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Why Hitachi?

Innovative Air End Design

Hitachi innovations in air end design result in a highly reliable, ultra efficient air compressor.

  • Stainless steel 1st and 2nd stage rotors
  • Patented HX-18 coating
  • High efficiency design improves capacity
VSD Control
  • Constant Pressure Control
  • Hitachi original control PID logic (55-240kW)
  • High efficiency DCBL drive (37/55/75kW)
Oil Mist Remover

Hitachi’s patented oil mist remover (OMR) eliminates oil deposits on the compressor and surrounding production area leading to a cleaner production environment.

Ultimate Air Quality

True oil-free air rated at ISO Class 0.

Direct Drive

Optimized layout and the removal of the V-belt and coupling allows for easy maintenance.

Low Sound Level

A low sound level is achieved by the optimized rotor profile, vibration-isolating drive structure, and sound reducing exhaust and intake ports.

Control Design
  • Variable Speed Drive (VSD) can adapt to a variation in demand quickly
  • Lead/Lag (2 unit control)
  • User-friendly, large LCD monitor and multi-function control board
  • Instantaneous Power Interruption (IPI) restart
Motorized Isolation Valve

Redundant protection against condensate backflow.

Hitachi High Efficiency & VFD

Precise selection and application of electrical components enables Hitachi Variable Speed Drive compressors to maintain high efficiency throughout the operational range.

Hi-Precooler (Air Cooled)

Increases reliability by reducing thermal fatigue

Inverter Controlled (Air Cooled)
  • Rotation speed of the cooling fan is optimized in response to the ambient condition and load ratio
  • High efficiency DCBL drive