CHANUN EF2 Series Integrated Screw Air Compressors Built-in Refrigerated Dryer & Configurable Precision Filters for Plug-and-Play Clean Dry Air Supply
Release time:
2026-08-18
Across automotive service workshops, precision machining facilities, gas generation systems and laboratory environments, compressed air quality directly impacts equipment service life, production yield and process compliance. Moisture, oil mist and particulate contaminants in air lines cause internal corrosion of pneumatic tools, clogging of precision valves, workpiece contamination and even product rejection. Traditional split air systems require separate procurement, on-site piping and commissioning of compressors, air receivers, refrigerated dryers and filter assemblies, which not only occupy extra floor space but also add engineering labor and compatibility risks.
The CHANUN EF2 series integrates a Morse taper direct-drive screw compressor, horizontal air receiver, high-efficiency refrigerated air dryer and configurable multi-stage precision filters into a single compact unit. Delivering factory-calibrated clean, dry compressed air straight out of the box, it eliminates the hassle of split-system configuration and on-site installation, making it the ideal air source upgrade for operations with strict requirements for air dryness and purity.
Core Strengths
1. All-in-One Compact Integration, Ready to Use Out of the Box
The EF2 series consolidates four core functional modules — screw compression unit, air storage tank, refrigerated dryer and multi-stage precision filtration — into one horizontally arranged cabinet. Users only need to connect the power supply and air outlet pipeline to put the system into operation, removing the need for on-site pipeline matching, bracket fabrication and equipment debugging. Its small footprint is perfectly suited for space-constrained workshops and retail service stores.
2. Morse Taper Direct Drive, Zero Transmission Efficiency Loss
As a signature technical feature of the E2 platform, the unique Morse taper connection between the air end and permanent magnet motor realizes true direct-drive transmission. The design eliminates intermediate transmission parts such as gears, bearings and couplings, ensuring zero power loss during energy transfer. It also enables quick and easy installation and disassembly without professional calibration, significantly reducing long-term maintenance costs and lowering the risk of internal motor component damage.
3. Air-Cooled PM VSD System for Reliable Energy Saving
Equipped with an IE4-class air-cooled permanent magnet motor with IP23 ingress protection, the EF2 series maintains stable operation across all frequency ranges and adapts well to general workshop production environments. The permanent magnet variable speed drive automatically adjusts motor speed to match real-time air demand. Matched with CHANUN’s proprietary Stop-on-Pressure control logic, the unit shuts down completely once target pressure is reached, cutting idle energy waste and delivering remarkable comprehensive energy savings compared with fixed-speed split air systems.
4. Refrigerated Drying + Configurable Multi-Stage Precision Filtration
The built-in high-efficiency refrigerated air dryer stably lowers the pressure dew point of compressed air to meet the dry air requirements of most industrial and commercial scenarios. Configurable multi-stage precision filter elements effectively remove oil mist, solid impurities and condensed water droplets from the air stream, further elevating air cleanliness. This prevents moisture and oil contamination from damaging downstream precision pneumatic tools, optical components and finished workpieces.
5. Walform Integrated Piping, Zero Leakage Risk
The full unit adopts German Walform one-piece formed piping with high-temperature fluororubber seals, drastically reducing the number of pipe joints. It fundamentally solves the common pain points of pipeline aging, oil seepage and air leakage, ensuring long-term stable, leak-free operation and helping facilities meet standardized site management requirements.
Core Component Breakdown
Optimized Asymmetric Rotor Air End
The new-generation high-efficiency air end adopts an optimized rotor profile with high axial and radial air tightness, short contact lines and high area utilization. The design reduces leakage triangles to improve air production efficiency, and extends bearing service life while lowering vibration and noise. A new shaft seal structure further prevents oil leakage risks.
High-Efficiency Oil-Gas Separation System
CHANUN’s self-developed high-integration oil-gas separation system delivers reliable separation performance, effectively controlling oil content in outlet air within a reasonable industrial standard range. The optimized separation structure lays a solid foundation for subsequent drying and filtration processes.
Innovative Cooling System Design
Featuring an enlarged cooler design and complete temperature & pressure sensor configuration, the system ensures safe and reliable heat dissipation under continuous operation. Integrated rigid piping further supports stable long-term running of the whole unit.
Intelligent Constant Pressure Control System
The dedicated variable frequency drive delivers precise constant pressure control. It automatically adjusts motor speed according to real-time air demand, maintaining stable air pressure even when multiple workstations operate simultaneously, and avoiding pressure fluctuations that affect production quality.
Target Application Scenarios
- Automotive Service & Detailing: Provides dry, clean compressed air for sheet metal spraying, paint polishing, film application and precision tire service, reducing oil stains and water marks on vehicle surfaces and improving work pass rate.
- Precision Machining & Electronic Assembly: Dry, filtered air protects pneumatic measuring tools, CNC equipment and assembly fixtures from moisture and excessive oil contamination, reducing product defect rates.
- Oxygen & Nitrogen Generation Systems: A stable dry air source effectively extends the service life of gas separation membranes and molecular sieves, slowing down the attenuation of gas production efficiency.
- Laboratory & Testing Facilities: Meets dry air requirements for laboratory instruments and testing equipment, complying with relevant industry air quality standards.
- Laser Cutting & General Industrial Manufacturing: Properly treated compressed air supports stable daily production and reduces premature wear of pneumatic equipment.
Technical Specifications Overview
| Specification | Details |
|---|---|
| Model Range | C5EF2 – C30EF2 |
| Rated Power | 3.7 kW – 22 kW |
| Working Pressure | 8 / 10 / 12.5 / 16 bar |
| Free Air Delivery | 175 – 3900 L/min |
| Standard Air Receiver | 130 L – 400 L |
| Integrated Configuration | Screw compressor + air receiver + refrigerated dryer + configurable precision filters |
| Drive Type | Morse taper direct drive, permanent magnet VSD |
| Motor Protection Grade | IP23 |
| Cooling Method | Air cooling |
Closing Remarks
The CHANUN EF2 series redefines the compact integrated air compressor standard by combining Morse taper direct-drive technology, reliable refrigerated drying and configurable multi-stage filtration in one plug-and-play unit. It not only saves installation space and engineering costs, but also ensures consistent output of clean, dry compressed air with industry-leading energy efficiency and low long-term maintenance costs.
For detailed model selection guidance, customized filter configuration or bulk quotation, please contact CHANUN’s official sales team or visit your local authorized dealer.
Related news
Service Hotline: 86 13862059949
CONTACT US
Address: No.58, Dongfu Road, Suzhou Industrial Park,Suzhou, jiangsu Province, China.
Tel: (+86) 0512-62529535
WhatsApp/Wechat: (+86) 13862059949
E-mail: jiaqi.wu@chanuncompressor.com
Copyright © CHANUN 2020 All rights reserved 苏ICP备08024400号-4
www.300.cn
