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Two Stage Oil-free Rotary Screw Compressors Dx-series 200-355kw

100% Oil-Free Rotary Screw Compressors

Two Stage Oil-free Rotary Screw Compressors
The ASK DX Series introduces a new generation of high-capacity oil-free rotary screw compressors engineered for maximum efficiency, reliability, and pure compressed air performance. Available in both fixed speed and regulated speed (RS) configurations, the range includes eight advanced models designed for demanding industrial applications requiring contamination-free compressed air.
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Benefits When PureAir Technology is High Priority

The quality of compressed air plays a critical role in ensuring safe, reliable, and efficient industrial operations. Contaminants such as particles, condensate, oil, and oil vapors can cause equipment downtime, product contamination, production losses, and costly recalls, while also negatively impacting brand reputation and operational reliability.

design World-Class Efficiency

The ASK advanced modular airend design features an optimized rotor profile engineered to deliver superior energy efficiency and best-in-class airflow performance. Premium e-variant models incorporate water-cooled airend jackets that further enhance thermal efficiency, helping achieve greater energy savings, improved operational performance, and reduced operating costs.Unlike traditional oil-free compressors that rely on a single motor and gearbox to drive both low and high-pressure airends, ASK Ultima™ uses advanced ultra-high-efficiency direct drive motors that eliminate the need for a conventional gearbox. This innovative design reduces friction losses, improves energy efficiency, and allows each airend to operate independently at optimized speeds based on real-time air demand.

design Robust Components

ASK compressors are built with proven high-performance airends featuring patented UltraCoat™ protection technology, oversized bearings, and rugged motor construction to ensure exceptional long-term reliability. Advanced cooling systems support efficient operation in ambient temperatures up to 46°C, while hydraulically actuated inlet valves enhance operational stability, durability, and dependable compressor performance throughout the equipment lifecycle.

Flexible Design Options

ASK compressors are available in multiple configurations to suit a wide range of industrial applications, including air-cooled and water-cooled systems, fixed and regulated speed models, and various pressure options. Designed for demanding environments, they also offer extreme ambient temperature packages, high-dust filtration systems, and outdoor installation modifications to ensure reliable, efficient, and long-lasting performance in harsh operating conditions.

Simple and Serviceable

ASK compressors are available in multiple configurations to suit a wide range of industrial applications, including air-cooled and water-cooled systems, fixed and regulated speed models, and various pressure options. Designed for demanding environments, they also offer extreme ambient temperature packages, high-dust filtration systems, and outdoor installation modifications to ensure reliable, efficient, and long-lasting performance in harsh operating conditions.

Higher Rated Cooling

ASK compressor systems are engineered to operate efficiently in ambient temperatures up to 46°C, providing additional cooling capacity for stable and trouble-free performance in demanding environments. This advanced thermal design enhances overall compressor reliability, operational efficiency, and long-term system durability.
This enhanced cooling margin helps prevent overheating, improves component lifespan, reduces operational stress on critical parts, and ensures consistent compressed air performance. By maintaining optimal operating temperatures, the compressor package achieves higher reliability, improved energy efficiency, reduced downtime, and dependable long-term operation in demanding industrial applications.

CompAir DX Series RS water-cooled Animation

  • Water-cooled compressor operation and airflow management
  • High-efficiency two-stage airend technology
  • Variable speed (RS) performance optimization
  • Advanced cooling and thermal management system
  • Energy-efficient motor and drive operation
  • Internal airflow and component layout
  • Oil-free compression process for pure air delivery
  • Intelligent control and monitoring features
  • Compact package design with easy maintenance access

Perfect motor - drive - airend design

The ASK D-RS Series features an advanced high-efficiency Power Drive System engineered to exceed IES2 EN61800-9 efficiency standards, delivering exceptional energy savings across a wide operating flow range. The intelligent variable speed regulation system ensures optimized compressor performance while adapting efficiently to changing air demand.

At a glance

  • Air-cooled and water-cooled configurations available
  • Fixed speed and variable speed models
  • Class Zero certified oil-free compressed air
  • Air purity suitable for the most stringent hygienic applications
  • Outstanding reliability for demanding industrial environments
  • Energy-efficient and continuous-duty performance
  • Ideal for food, pharmaceutical, electronics, healthcare, and sensitive manufacturing industrie

Intuitive Touchscreen Controller

Intuitive web-like navigation Graphing and data acquisition of over 30 parameters Modbus interface for connection to BMS Integrated variable speed control Ethernet connection allows web enabled control through tablet, computer or mobile device iConn remote monitoring Direct RS485 connection for SmartAirLite, (SAM requires STD/VSD Module)

Technical Data
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