Screw compressor WALTER SKTG 11/500 KSP power input 11 kW, air delivery 1.65 m³/min at 8 bar, air tank 500 l, direct drive, 7-year warranty
Code: SKTG-11/500-KSPProduct detailed description
WALTER SKTG 11/500 KSP fixed-speed screw compressor on an air receiver
SKTG 11/500 KSP is a fixed-speed screw compressor with 1:1 direct drive, mounted on a 500 l air receiver.
At 8 bar it delivers 1.65 m³/min, at 10 bar 1.5 m³/min and at 13 bar 1.12 m³/min. Despite a relatively low power input, it has a large low-speed screw block designed for economical and trouble-free operation for many years.
Configuration of this machine
- Direct drive 1:1 · large low-speed screw block · fixed speed
- Three pressures: 8, 10 and 13 bar
- 500 l air receiver, housing 1,970 × 760 × 1,750 mm, weight 426 kg
- Connection G ¾″, noise level 62 dB(A), service every 2,000 operating hours
- Power supply 400 V / 3 / 50 Hz, WALTER CONTROLLER control unit


Who is it suitable for
For operation with constant air consumption, where an inverter would only bring a small saving and a simple design is sufficient. Steel oil and air piping and easy access to the coolers simplify maintenance and shorten service inspections.
When to choose a different model
Consumption varies during the day
With the same power input and an inverter, the SFTG 11/500 KSP is designed for this, delivering up to 1.3 m³/min at 13 bar compared to 1.12 m³/min for this model.
Dryer and filters
In the same housing, with the addition of a dryer and filters, there is the SKTG 11/500 KSP COMBO, which is 56 kg heavier.
What the parameters imply — calculated values
The values are calculated from the air delivery at 8 and 13 bar and serve to compare models with each other, not as a guaranteed figure.
Frequently asked questions
- How often is service needed?
- Every 2,000 engine hours. Regular maintenance is also a condition for the seven-year warranty.
- How does it differ from the standalone SK 11 KSP?
- The same machine without tank is SK 11 KSP. It weighs 244 kg and has a footprint of 1,090 × 730 mm, the SKTG 11/500 KSP with tank is 182 kg heavier.
The machine is covered by a 7-year warranty on the entire machine. Warranty conditions, maintenance, and a comparison of all 4 models can be found in the category WALTER SKTG KSP screw compressors: direct drive on the air receiver.
Ventilek advises
Fixed speed pays off where air consumption is constant. For fluctuating consumption, the model with inverter is more advantageous.
Additional parameters
| Category: | Air compressors |
|---|---|
| Warranty: | 7 let |
| Compressor type: | Screw compressor |
| Pressure: | 8 bar, 10 bars, 13 bar |
| Air delivery: | 1 650 l/min |
| Pressure vessel volume: | 500 L |
| Connecting: | 3/4" |
| Motor power: | 11 kW |
| Mains voltage: | 400/50 V/Hz |
| Lubrication: | Oleic |
| Noise: | 62 dB(A) |
| Weight: | 426 kg |
| Engine: | Electric |
| Drive: | Direct |
| Air dryer: | No |
| Retrieved from: | Professional |
| Development: | Stationary |
| Inverter: | No |
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