ZT55-90 and ZT75-90 VSD Series Air-Cooled Oil-Free Rotary Screw Air Compressors

Atlas Copco’s ZT55-90 and ZT75-90VSD Series Air Cooled Oil Free Rotary Screw Air Compressors are available in Load/Unload or Variable Speed Drive (VSD) configuration in a Pack or Full Feature (Integrated Refrigerated & Heat-of-Compression Dryers) variants. These compressors are designed to power your production with ultimate reliability and efficiency under the harshest conditions. The first air compressors in the world to be certified Class 0 according to ISO 8573-1:2010. This ensures completely oil-free air to protect your process and end products. Several energy savings features – Variable Speed Drive, energy-free MD dryers and energy recovery can be offered. The ZT55-90 and ZT75-90 VSD are all-inclusive, plug and play packages that ensure easy and low cost installation and a quick start-up.

Features Benefits
° Highest Reliability ° For over 50 years, Z compressor stand for durability and reliablility. They incorporate Atlas Copco’s proven screw technology, stainless steel coolers, AGMA A4/DIN 5 gears and state-of-the-art electrical drive systems, all of which contribute to overall high reliability. The Z compressors are built using long-standing internal engineering practices, and are manufacturing and testing according to ISO 9001.
° Certified 100% Oil-Free ° ZT110-275 and ZT160-315VSD compressors provide you with 100% pure, clean air that complies with ISO 8573-1 Class 0 (2010) certification. Class 0 means zero risk of contamination; zero risk of damaged or unsafe products; zero risk of losses from operational downtime; and zero risk of damaging your company’s hard-won professional reputation. In 2006 Atlas Copco was the first manufacturer in the world to receive such certification on an oil-free compressor.
° Maximum Energy Savings ° Atlas Copco’s unique and time proven rotor coating ensures high efficiency over the compressors lifetime. The state-of-the art air compressor element is powered by a high-efficiency electric motor, contributing to maximum compressor package efficiency. Further optimize your energy savings with our innovative and unique Variable Speed Drive, our energy recovery feature and energy-free MD dryers.
° Easy Installation ° The integrated design of the Z compressor includes internal piping, coolers, motor, lubrication and control system: all supplied as a ready-to-use package. Installation is fault-free, commissioning time is low and no external instrument air is required.
° Advanced Control and Monitoring ° To maximize efficiency and reliability, the Elektronikon® controls the main drive motor and regulates system pressure within a predefined and narrow pressure band. The Elektronikon® controller can be adapted to your specific needs with extra sensors, digital contacts, fieldbus, Internet and SMS communication functions. In combination with the ES multiple compressor controller, the operation of your complete compressor room is optimized.

Technical data

Technical Specifications
Capacity FAD 159 – 553 CFM(FAD)
Working pressure 75 – 151 psig
Installed motor power 75 – 125 HP