ASD Series

ASD Series
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ASD Series

Product catalog summary
Overview of ASD Series Rotary Screw Compressors
The ASD series by KAESER KOMPRESSOREN features rotary screw compressors with the SIGMA PROFILE, offering flow rates from 0.89 to 6.39 m³/min and pressures between 5.5 to 15 bar. These compressors are designed for high efficiency and energy savings, with up to 96% of energy recoverable for heating purposes.
Energy Efficiency and Control Systems
The compressors are equipped with the SIGMA CONTROL 2, an advanced controller that optimizes air delivery based on demand, minimizing idling time. The integration of a synchronous reluctance motor enhances durability and reduces heat losses, contributing to extended service life and improved efficiency, especially in partial load conditions.
Heat Recovery and Environmental Benefits
KAESER's heat recovery system allows up to 96% of the energy used by the compressor to be repurposed for heating, significantly reducing primary energy consumption. This system can be used for space heating, process heating, and service water heating, offering substantial cost savings and environmental benefits.
Advanced Features and Standards
The ASD series includes features like the Electronic Thermo Management (ETM) system for dynamic temperature control, ensuring energy efficiency and preventing condensate formation. The compressors meet the European Ecodesign Standard EN 50598, achieving the highest efficiency class IES2.
Integrated Systems and Connectivity
The SIGMA AIR MANAGER 4.0 provides adaptive control, optimizing compressor operation based on real-time demand. The system is Industrie 4.0-ready, allowing seamless integration into existing control systems for enhanced operational efficiency.
Serviceability and Durability
The design of the ASD series emphasizes ease of maintenance and durability, with components like the synchronous reluctance motor being easy to service. The compressors are built to operate in ambient temperatures up to +45°C, with sound insulation and vibration damping features for quiet operation.
Specifications
The document outlines the specifications for a high-flex coupling system without gearing, featuring an electric motor with Super Premium Efficiency IE4 drive. The motor is of German manufacture, with IP 55 protection and Iso F class insulation. It includes a Pt100 temperature sensor for monitoring and externally lubricated bearings. An SFC option is available with a synchronous reluctance motor and Siemens frequency converter, meeting IES2 system efficiency class.
Electrical Components
The system includes an IP 54 control cabinet, control transformer, Siemens frequency converter, and floating contacts for ventilation systems.
Cooling Fluid and Air Flow
The system features a dry air filter, pneumatic inlet and venting valve, a cooling fluid reservoir with a three-stage separation system, safety valve, minimum pressure check valve, Electronic Thermo Management (ETM), and Eco fluid filter in the cooling fluid circuit. It is fully piped with flexible line connections.
Equipment
Cooling: Air-cooled with a separate aluminum cooler for compressed air and cooling fluid, radial fan with separate electric motor, and ETM.
Refrigeration Dryer: Uses CFC-free R-513A refrigerant, fully insulated, with a hermetically sealed refrigerant circuit, scroll refrigerant compressor, hot gas bypass control, and electronic condensate drain.
Heat Recovery (HR): Optionally available with an integrated HR system using a plate-type heat exchanger.
SIGMA CONTROL 2
This control system features LED indicators for operating status, a plain text display in 30 languages, soft-touch keys, and fully automatic monitoring and control. It includes an Ethernet interface and optional communication interfaces for Profibus DP, Modbus, Profinet, and DeviceNet, along with an SD card slot for data logging and updates.
Technical Specifications
The document provides detailed technical specifications for various models, including gauge working pressure, flow rate, maximum gauge pressure, drive motor rated power, dimensions, compressed air connection, sound pressure level, and mass. Models include ASD 35 T, ASD 40 T, ASD 50 T, and ASD 60 T, with both standard and SFC versions.
Company Overview
KAESER KOMPRESSOREN is a global leader in compressors, blowers, and compressed air systems, with a presence in over 140 countries. The company focuses on innovative, efficient, and reliable products and services, supported by a global IT network and service organization to ensure optimal performance and efficiency.
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Catalog excerpts

ASD Series-1

Rotary Screw Compressors ASD Series With the world-renowned SIGMA PROFILE Flow rate 0.89 to 6.39 m³/min, Pressure 5.5 to 15 bar

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ASD Series-2

ASD – Even more efficient Service-friendly design With its latest generation of ASD (ASD.4) series rotary screw compressors, KAESER KOMPRESSOREN once again pushes the boundaries of compressed air efficiency and availability. Not only do these optimised systems deliver more compressed air for less energy, they also combine simple operation and maintenance-friendliness with exceptional versatility and environmentally responsible design. Perfect partners The newly improved ASD systems save energy in a number of ways: equipped with further-refined SIGMA PROFILE rotors, the airends are controlled...

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ASD Series-3

Uncompromising efficiency Save energy with the SIGMA PROFILE SIGMA CONTROL 2: Optimum efficiency At the heart of every ASD system lies a premium-quality airend featuring Kaeser’s SIGMA PROFILE rotors. Flowoptimised for impressive performance, these advanced rotors enable ASD systems to set new standards in terms of specific package input power. The internal SIGMA CONTROL 2 controller ensures efficient compressor control and monitoring at all times. The large display and RFID reader assure clear communication and maximum security. Variable interfaces enable seamless networking capability, whilst...

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ASD Series-4

Premium compressed air quality with add-on dryer Power consumption (kW) ▀ Power consumption: KAESER add-on dryer ▀ Power consumption: refrigeration dryer with continuous control ▀ Energy savings: KAESER add-on dryer Energy-saving control Dependable KAESER centrifugal separator The integrated refrigeration dryer in ASD T units provides highly efficient performance, thanks to its energy-saving control. The dryer is therefore only activated when compressed air drying is actually required: as a result, the desired compressed air quality is achieved with maximum energy efficiency. A KAESER centrifugal...

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ASD Series-5

Speed-controlled compressor with synchronous reluctance motor Precision pressure control The flow rate can be adjusted within the control range, according to pressure. Working pressure is kept constant to within ±0.1 bar. This allows maximum pressure to be reduced, thereby saving energy and costs. Durable and service-friendly: The rotors in the synchronous reluctance motor do not contain aluminium, copper or rare earth magnetic materials. This makes the bearings and rotors as easy to replace as those in asynchronous motors. The functional principle keeps heat losses in the motor to a minimum,...

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ASD Series-6

Maximum efficiency with frequency-controlled synchronous reluctance motor Your benefits at a glance: Best system efficiency: IES2 as per EN 50598 Maximum energy efficiency throughout the control range Durable, service-friendly drive system Advanced drive technology Minimal operating costs, high productivity and availability High-efficiency synchronous reluctance motor High-performance frequency converter This range of motors combines the advantages of both asynchronous and synchronous motors, all within a single drive system. The rotors contain no aluminium, copper or rare earth magnetic materials....

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ASD Series-7

Heat recovery system Ambient heat Total electrical power consumption Compressed air energy potential Approx. 5 % Heat dissipation from the drive motor Approx. 76 % Heat energy recoverable through fluid cooling Heat dissipated by the compressor into the ambient air Heat remaining in the compressed air Heat energy recoverable through compressed air cooling Heat recovery simply makes sense Space heating with hot exhaust air Amazingly, 100% of the electrical drive energy supplied to a compressor is converted into heat energy. Of that heat, up to 96% can be recovered and reused for heating purposes....

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ASD Series-8

Heat recovery Energy-saving, versatile and flexible Required heating energy (%) PTG plate-type heat exchanger system Required heating energy throughout the year PTG plate-type heat exchangers consist of a package of pressed stainless steel plates. They combine excellent heat exchange characteristics with exceptionally compact design. PTG heat exchangers can be integrated into existing hot water supply systems and are suited for industrial applications. It goes without saying that heating is essential during the winter months. However, it is also needed to a greater or lesser extent at other times...

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ASD Series-9

Ready-to-run, fully automatic, super silenced, vibration damped, all panels powder coated. Suitable for use in ambient temperatures up to +45 °C Panels lined with laminated mineral wool Double-insulated anti-vibration mounts with metal elements Genuine KAESER single-stage airend with energy-saving SIGMA PROFILE and cooling fluid injection for optimised rotor cooling; 1:1 direct drive Direct, high-flex coupling without gearing Standard system with Super Premium Efficiency IE4 drive motor, quality German manufacture, IP 55, Iso F class insulation for additional reserve; Pt100 temperature sensor...

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ASD Series-10

Standard versions T versions with integrated refrigeration dryer (refrigerant R-513A) Flow rate, complete system as per ISO 1217: 2009 Annexe C/E: inlet pressure 1 bar (a), cooling and air inlet temperature +20 °C Sound pressure level as per ISO 2151 and basic standard ISO 9614-2, tolerance: ± 3 dB (A) Power consumption (kW) at ambient temperature +20° C and 30% relative humidity

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ASD Series-11

More compressed air for less energy The world is our home As one of the world’s largest manufacturers of compressors, blowers and compressed air systems, KAESER KOMPRESSOREN is represented throughout the world by a comprehensive network of wholly owned subsidiaries and authorised distribution partners in over 140 countries. By offering innovative, efficient and reliable products and services, KAESER KOMPRESSOREN’s experienced consultants and engineers work in close partnership with customers to enhance their competitive edge and to develop progressive system concepts that continuously push the...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.