Dry-running rotary vane compressors
Becker KDT and VARIAIR KDT series
The Becker KDT and VARIAIR KDT series at a glance: 7 models from the field of dry-running rotary vane compressors – with technical data, variants and the option to send an enquiry.
- 7Models
- 2Series
- 54–150m³/h pumping speed at 50 Hz
- 2.2–7.5kW rated motor power at 50 Hz

Product overview
Products of the Becker KDT and VARIAIR KDT series
Each row leads to the model with its technical data and variants.
KDT series 4 models
KDT 3.60Pumping speed 54 m³/h 50 Hz63 m³/h 60 HzRated motor power 2.2 – 3 kW 50 Hz2.6 – 3.6 kW 60 HzVariants 12
KDT 3.80Pumping speed 66 m³/h 50 Hz77 m³/h 60 HzRated motor power 2.2 – 4 kW 50 Hz2.6 – 4.8 kW 60 HzVariants 17
KDT 3.100Pumping speed 99 m³/h 50 Hz118 m³/h 60 HzRated motor power 4 – 5.5 kW 50 Hz4.5 – 6.6 kW 60 HzVariants 11
KDT 3.140Pumping speed 129 m³/h 50 Hz153 m³/h 60 HzRated motor power 5.5 – 7.5 kW 50 Hz6.6 – 9 kW 60 HzVariants 9VARIAIR KDT series 3 models
VARIAIR KDT 3.80/0-400Pumping speed 77 m³/h 50 Hz77 m³/h 60 HzRated motor power Variants
VARIAIR KDT 3.100/0-400Pumping speed 118 m³/h 50 Hz118 m³/h 60 HzRated motor power Variants
VARIAIR KDT 3.140/0-400Pumping speed 150 m³/h 50 Hz150 m³/h 60 HzRated motor power Variants About the series
Technology and features
Operating principle
Dry-running rotary vane compressors generate oil-free overpressure: the vanes separate the working chambers from one another and compress the air drawn in towards the pressure connection.
Frequently asked questions
Questions about the Becker KDT and VARIAIR KDT series
Which models does the Becker KDT and VARIAIR KDT series comprise?
Which pumping speeds does the series cover?
Does Ehrler & Beck supply spare parts and service for the Becker KDT and VARIAIR KDT series?
Which model fits your process?
Tell us the gas to be conveyed, the working pressure and the flow rate you need – we will advise you on selection, spare parts and service.







