HITACHI OIL FREE AIR COMPRESSOR
Hitachi manufactured the first ever oilfree rotary screw compressor in 1968 and they continue to lead the development with the DSP Series. This Series from Hitachi comes in fixed speed and variable speed versions and covers a 20 to 125 HP range.
DSFeatures of the DSP Oil-Free product portfolio include but are not limited to:

• Patented HX-18 PTFE-Free rotor coatings to ensure the highest quality air is provided to the end user.
• Exclusive usage of stainless steel rotors on both the 1st and 2nd stage.
• Patented Hi-Pre-cooler to provide efficient cooling and thermal protection.
• Patented Oil Mist Remover (OMR) to prevent oil mists from venting to atmosphere.
• Patented rotor clearance design to provide greater efficiency and higher air-end reliability.
• Patented “PQ Wide Mode” speed adjustment design to provide greater air output at lower pressure settings.
• Exclusive Motorized Isolation Valve (MIV) to isolate the compression module from demand side moisture migration
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Hitachi Oil-Free Air Compressor