Oil-free reciprocating piston compressors

LZ series: Premium oil-free piston compressors, 5.5-7.5 kW / 7.5-10 hp

Atlas Copco’s LZ range of oil-free piston compressors combines the advantages of a piston, robustness and low investment cost, with the benefits of an oil-free compressor: clean air and low maintenance requirements. This oil-free piston compressor is also outfitted with a sound-insulating canopy, an Elektronikon Mk. 5 controller and optional dryers and filters.

The LZ series is the most complete oil-free piston solution on offer. Do you also use or even produce nitrogen? Then the LZ is the perfect companion to power a nitrogen generator.


Customer benefits

  • Advanced control and monitoring – The LZ comes with the Atlas Copco Mk 5 already built in to give you advanced electronic control and monitoring. The one-touch controller is easy to use, optimizing both performance and reliability.
  • High reliability – With an operational lifetime of 20,000 hours, the LZ is a long-term companion. Because the LZ doesn’t use any oil, it will last longer with only minimal service. No oil changes are required.
  • 100% oil-free air – The LZ’s ISO 8573-1 CLASS 0 (2010) certified pump produces unquestionably clean air.
  • Flexibility – The LZ is available in different power, pressure and electric potential options.
  • Quiet operation – Thanks to its sound-insulating canopy the LZ achieves noise levels as low as 67 db(A), allowing installation close to the point of use.

Technical data

  • Units: Imperial
Technical Specifications
Capacity FAD (l/s) 1.02 - 2.53 l/s
Capacity FAD (m³/h, cfm) 2.16 - 5.36 cfm
Working pressure 145 psig
Installed motor power 0.7 - 2 HP
  • Units: Metric
Technical Specifications
Capacity FAD (l/s) 1.02 - 2.53 l/s
Capacity FAD (m³/h, cfm) 0.06 - 0.12 m³/h
Working pressure 10 bar(e)
Installed motor power 0.55 - 1.5 kW

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