⚙️ SX · SM · SK · ASK Series
Compact Rotary Screw
Compressors up to 22 kW
V-belt drive with SIGMA PROFILE airend and SIGMA CONTROL 2. Ideal for workshops, small industries and process applications. Available with integrated refrigeration dryer and/or variable speed drive.
12
Models
22kW
Max Power
143
CFM Max
15bar
Max Pressure
🇩🇪 Made in Germany
⚡ SIGMA Profile Airend — 10-20% Less Energy
🎛️ SIGMA CONTROL 2
🔇 Super Silenced Housing
🌡️ Up to +45°C Ambient
All Series
SX · SM · SK · ASK — All 12 Models
Select a series from the sidebar filter to see specific model details. All 12 models shown in the table below.
2.2–22
kW
Motor Power
0.26–4.00
m³/min
Flow Rate
9–143
CFM
Flow Rate
7.5–15
bar
Pressure Options
Key Advantages
Highly Efficient Belt Transmission
Quality drive belt with automatic tensioning device ensures consistent transmission efficiency and excellent drive system reliability over the entire service life.
Easy Maintenance
Housing is easily opened. All components are logically arranged and easy to access. Maintenance work is therefore made quick and simple — reducing downtime.
Exceptionally Quiet
Soundproofed housing reduces operational noise to a minimum. Normal conversation can take place right next to the compressor during operation.
SIGMA PROFILE Airend
SIGMA PROFILE rotors require approximately 10 to 20 percent less energy than conventional rotors of the same air delivery capacity — saving money every day.
SIGMA CONTROL 2
Traffic-light LED indicators, 30 selectable languages, Ethernet, RFID reader, SD card slot. Fully automatic monitoring and control with multiple control modes.
Low Life-Cycle Costs
Optimal efficiency, easiest operation, service-friendliness and a global service network ensure the lowest total cost of ownership over the machine's lifetime.
Technical Specifications
Get Full Technical Specifications
Download the complete specification sheet for all 12 SX · SM · SK · ASK models —
including working pressure, FAD, CFM, dimensions, weight, sound level and more.
Working Pressure (bar)
FAD & CFM
Motor Power (kW)
Dimensions & Weight
Sound Level dB(A)
Refrigerant & Dryer
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Equipment Details
⚙️ Complete Unit▼
- Ready-to-run, fully automatic operation
- Super silenced soundproofed housing
- Vibration-damped mounting on all models
- All panels powder-coated for durability
- For ambient temperatures up to +45°C
- Easy access to all service points — removable panels
- ASK series: Panels lined with laminated mineral wool for extra sound insulation
🔩 Rotary Screw Airend▼
- Single stage with cooling fluid injection for optimal rotor cooling
- Genuine KAESER screw compressor airend with the SIGMA PROFILE
- SIGMA PROFILE rotors require 10–20% less energy than conventional rotors
- Precision aligned roller bearings ensure long service life with maximum reliability
🔋 Electric Motor▼
- IE3 Premium Efficiency motor (IE3/IE4 on SM series)
- Quality German manufacture — proven reliability
- IP 54 protection (IP 55 on ASK series)
- ASK series: Insulation class F for greater power reserve
- V-belt drive with automatic belt tensioning — consistent efficiency
❄️ Efficient Cooling System▼
- Dual flow fan with separate air flow channels for motor, cooler and control cabinet
- Honeycomb air intake filter for maximum dust protection
- Pneumatic inlet and venting valves
- Cooling fluid separator tank with triple separation system
- Pressure relief valve and minimum pressure check valve
- Thermostatic valve and fluid filter in coolant circuit
- ASK series: Energy-saving radial fan — meets EU Directive 327/2011
💧 Refrigeration Dryer (T Version)▼
- CFC-free refrigerant — Contains R-513A fluorinated greenhouse gas
- Electronically-controlled condensate drain (ECO-DRAIN on ASK)
- Refrigerant compressor with energy-saving, cycling shut-down feature
- Linked to operational status of the compressor when inactive
- Fully insulated, hermetically sealed refrigerant circuit
- Hot gas bypass control for stable dew point
🎛️ SIGMA CONTROL 2▼
- "Traffic-light" LED indicators show operational status at a glance
- Easy-to-read display with 30 selectable languages
- Soft-touch icon buttons — intuitive operation
- Fully-automatic monitoring and control
- Dual, Quadro, Vario and Continuous control modes available as standard
- Interfaces: Ethernet — standard
- Optional: Profibus DP, Modbus, Profinet and DeviceNet
- SD card slot for data logging and firmware updates
- RFID reader for secure access control
- Integrated web server for remote monitoring
♻️ Heat Recovery (Optional)▼
- ASK series: Optionally available with integrated heat recovery system
- Plate-type heat exchanger for hot water generation
- Up to 96% of compression energy can be recovered as useful heat
- Reduces heating costs significantly — payback typically within 1-2 years
More Specificities
SIGMA Profile Airend
10–20% less energy than conventional rotors. Precision aligned roller bearings for long service life and maximum reliability.
SIGMA CONTROL 2
Smart controller with traffic-light LEDs, 30 languages, Ethernet, RFID reader, SD card, web server and multiple control modes.
IE3 / IE4 Motors
Premium efficiency German-made motors. IP54/IP55 protection. IE4 super premium efficiency available on SM series.
Dual Flow Cooling
Separate air flow channels for motor, cooler and control cabinet. Honeycomb intake filter. Triple separation fluid system.
Super Silenced
Soundproofed housing minimizes noise — normal conversation possible right next to the compressor during operation.
Integrated Dryer (T Version)
CFC-free R-513A dryer with ECO-DRAIN condensate management. Energy-saving cycling shut-down when compressor is idle.
Auto Belt Tensioning
Automatic belt tensioning device ensures consistent transmission efficiency and excellent drive system reliability throughout service life.
+45°C Ambient Rating
Designed for Indian climate conditions — operates reliably in ambient temperatures up to +45°C without performance loss.
Heat Recovery Ready
ASK series optionally available with integrated plate-type heat exchanger. Up to 96% energy recovery for hot water generation.
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