WALTER SK 15 KSP screw compressor power input 15 kW, air delivery 2.25 m³/min at 8 bar, direct drive, fixed speed, 7-year warranty
Code: SK-15-KSPProduct detailed description
Screw compressor WALTER SK 15 KSP: more air in the same housing as SK 11 KSP
SK 15 KSP has the same housing and weight as SK 11 KSP, but higher power input. At 8 bar it delivers 2.25 m³/min, at 10 bar 2.15 and at 13 bar 2 m³/min.
Compared to SK 11 KSP, which delivers 1.65 m³/min at 8 bar, this is 36% more air. The housing 1,090 × 730 × 1,080 mm, weight 244 kg and noise level 62 dB(A) remain the same.
Configuration of this machine
- Screw element coupled directly to the motor · fixed speed without inverter · three-stage oil separation
- Air delivery 2.25 m³/min at 8 bar, 2.15 at 10 bar and 2 at 13 bar
- Housing shared with SK 11 KSP, weight 244 kg
- Connection G ¾″, noise level 62 dB(A)
- Power supply 400 V / 3 / 50 Hz, WALTER CONTROLLER control unit


Who is it suitable for
Suitable where 11 kW is no longer enough and there is no room for a larger housing. Fixed speed assumes consumption that does not fluctuate too much during a shift.
When to choose a different model
Need a larger machine
If even 15 kW is not enough, the next size up is SK 18,5 KSP. The housing is larger (1,300 × 880 × 1,170 mm), the connection is G 1″ and at 8 bar it delivers 3.2 m³/min.
Fluctuating consumption
The same power input with an inverter is offered by SF 15 KSP. It is in the same housing (1,090 × 730 × 1,080 mm) and regulates air delivery at 8 bar within the range of 0.92–2.25 m³/min.
What the parameters imply — calculated values
The values are calculated from the maximum air delivery at 8 bar and serve for comparing models with each other, not as a guaranteed value.
Frequently asked questions
- Is SK 15 KSP also available in a set with an air receiver and dryer?
- Yes. With a 500 l air tank it is the SKTG 15/500 KSP, and with a dryer in the set it is the SKTG 15/500 KSP COMBO.
- How often is the SK 15 KSP serviced?
- Servicing is carried out every 2,000 engine hours.
The machine is covered by a 7-year warranty on the entire machine. Warranty conditions, maintenance, and a comparison of all 17 models can be found in the category WALTER SK KSP screw compressors: direct drive without losses.
Ventilek advises
Between the two models in the same housing, the decisive factor is the required air delivery, since the footprint and weight do not change.
Additional parameters
| Category: | Air compressors |
|---|---|
| Warranty: | 7 let |
| Compressor type: | Screw compressor |
| Pressure: | 8 bar, 10 bars, 13 bar |
| Air delivery: | 2 250 l/min |
| Pressure vessel volume: | It isn't |
| Connecting: | 3/4" |
| Motor power: | 15 kW |
| Mains voltage: | 400/50 V/Hz |
| Lubrication: | Oleic |
| Noise: | 62 dB(A) |
| Weight: | 244 kg |
| Engine: | Electric |
| Drive: | Direct |
| Air dryer: | No |
| Retrieved from: | Professional |
| Development: | Stationary |
| Inverter: | No |
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- About the company WALTER: WALTER Kompressortechnik is a renowned manufacturer of air compressors and accessories, known for its quality, reliability and innovative technologies. The company focuses on providing highly efficient solutions for various industries.
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