Oil-free rotary screw compressors

ZR 300-750 & ZR 400-900 VSD

Setting the standard in energy efficiency, safety and reliability
The shortest route to superior productivity is to minimize operational cost while maintaining an uninterrupted supply of the right quality of air. The Atlas Copco Z compressor series is focused on effectively saving energy, ensuring product safety– only oil-free machines exclude contamination risks for 100% – and guaranteeing the utmost reliability around the clock. And not just today, but day after day, year after year, with minimal maintenance cost, few service interventions and long overhaul intervals.

Advantage:

Highest reliability
For 60 years, Atlas Copco Z compressors have set the benchmark for durability. They are built using long-standing internal engineering practices, and are designed and manufactured according to ISO 9001, ISO 14001, ISO 22000 & OHSAS 18001. The high-end ZR uses time-proven state-of-the-art screw technology, cooling and pulsation dampers and provides you with the highest reliability.
100% oil-free compressed air
The ZR offers you 100% pure, clean air that complies with ISO 8573-1 CLASS 0 (2010) certification. This means zero risk of contamination; zero risk of damaged products; zero risk of losses from operational downtime; and zero risk of damaging your company’s hard-won professional reputation.
Maximum energy efficiency
The ZR’s superior oil-free screw elements provide the optimum combination of high Free Air Delivery (FAD) with the lowest energy consumption. Ample sized cooling, low pressure drops and an extremely efficient drive train result in the highest compressor package efficiency.
The most complete package
With the ZR compressor, Atlas Copco provides a superior solution without hidden costs. The totally integrated, ready-to- use package includes internal piping, coolers, motor, lubrication and control system. Installation is fault-free, commissioning time is low and no external instrument air is required.You simply plug and run.
Global presence - local service
Our aftermarket product portfolio is designed to add maximum value for our customers by ensuring the optimum availability and reliability of their compressed air equipment with the lowest possible operating costs. We deliver this complete service guarantee through our extensive service organization,maintaining our position as leader in compressed air.

100% certified oil-free air
Atlas Copco is renowned for designing and manufacturing some of the most durable oil-free screw compressors. The ZR high-end rotary screw compressor comes out of this strong tradition. Ideal for industries where high-quality oil-free air is key, the ZR offers the highest reliability and safety in combination with low energy costs.

Electronics
• Clean, dry, high-quality air (Class 0) is essential,produced with optimal energy efficiency.
• Applications include the removal of microscopic debris from the surfaces of computer chips and computer boards.
Textiles
• Easy and quick installation.
• A completely, fully integrated, ready-to-use solution.
Oil & gas
• Years of experience in providing compressed air for the oil & gas industry.
• 100% oil-free compressed air for control/instrument air or buffer air.
• Strong global support network to provide 24/7 assistance.
Automotive
• To maximize productivity in the automotive industry,downtime has to be eliminated.
• An integrated package designed for long-lasting performance is crucial.

Proven Z technology

1.Throttle valve with load/unload regulation
• No external air supply required.
• Mechanical interlock of inlet and blow-off valve.
• Low unload power.

2.World-class oil-free compression element
• Unique Z seal design guarantees 100% certified oil-free air.
• Atlas Copco superior rotor coating for high efficiency and durability.
• Cooling jackets.

3.High-efficiency coolers and water separator
• Corrosion resistant stainless steel tubing.
• Highly reliable robot welding; no leakages.
• Aluminium star insert increases heat transfer.
• Water separator with labyrinth design to efficiently separate the condensate from the compressed air.
• Low moisture carry-over protects downstream equipment.

* Only for ZR water-cooled versions.

4.Powerful motor + VSD
• TEFC IP55 motor protects against dust and chemicals.
• Continuous operation under severe ambient temperature conditions.
• Direct energy savings up to 35% with Variable Speed Drive (VSD) motor.
• Full regulation between 30 to 100% of the maximum capacity.

5.Advanced Elektronikon®
• Large 5.7” sized color display available in 31 languages for optimal ease of use.
• Controls the main drive motor and regulates system pressure to maximize energy efficiency.

Technical specifications
ZR 300-750

ZR 400-900 VSD (50/60 Hz)