WALTER SF 315 KSP Screw Compressor power input 315 kW, air delivery 19.8–49.5 m³/min at 8 bar, direct drive, inverter, 7-year warranty
Code: SF-315-KSPProduct detailed description
WALTER SF 315 KSP screw compressor, the largest model in the SF KSP range
The SF 315 KSP is the largest model in the SF KSP range and is the only one not available for 13 bar. At 8 bar it delivers 19.8–49.5 m³/min, at 10 bar 18–45 m³/min.
It weighs 4,900 kg, noise level is 80 dB(A) and the connection is DN 125. Weight, noise level, and connection size are the largest in the range.
Configuration of this machine
- Single-stage screw airend · direct drive 1:1 · IE4 motor (IE5 optional) with inverter · submerged oil separator
- Two pressures: 8 and 10 bar
- Housing 3,900 × 2,170 × 2,260 mm, weight 4,900 kg
- Connection DN 125, noise level 80 dB(A)
- Power supply 400 V / 3 / 50 Hz, WALTER CONTROLLER control unit


Who it's suitable for
For large industrial production with variable demand that can work with 8 or 10 bar pressure. For 13 bar, a different model should be chosen.
When to choose a different model
You need 13 bar
Pressure of 13 bar is offered by the two-stage SF 315 DSP, which delivers up to 66.2 m³/min at 8 bar, as well as the SK 315 KSP with fixed speed.
Smaller machine
SF 220 KSP delivers up to 37 m³/min at 8 bar, weighs 4,500 kg and the noise level is 77 dB(A).
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 the SF 315 KSP also manufactured for 13 bar?
- No. This model is manufactured for 8 and 10 bar, other models in the SF KSP series for 8, 10 and 13 bar.
- How much does the SF 315 KSP weigh?
- 4,900 kg, the most of all models in the SF KSP series. The DN 125 connection is also the largest in the series.
The machine comes with a 7-year warranty covering the entire machine. Warranty terms, maintenance, and a comparison of all 19 models can be found in the category Screw compressors WALTER SF KSP: inverter and direct drive.
Ventilek advises
Choose the largest machine in the series based on the measured consumption profile. Also check that a pressure of 8 or 10 bar suits you, because this model does not offer 13 bar.
Additional parameters
| Category: | Air compressors |
|---|---|
| Warranty: | 7 let |
| Compressor type: | Screw compressor |
| Pressure: | 8 bar, 10 bars |
| Air delivery: | 49 500 l/min |
| Pressure vessel volume: | It isn't |
| Connecting: | DN125 |
| Motor power: | 315 kW |
| Mains voltage: | 400/50 V/Hz |
| Lubrication: | Oleic |
| Noise: | 80dB(A) |
| Weight: | 4 900 kg |
| Engine: | Electric |
| Drive: | Direct |
| Air dryer: | No |
| Retrieved from: | Professional |
| Development: | Stationary |
| Inverter: | Yes |
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WALTER Kompressortechnik - Innovative Solutions for Compressors
- 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.
- Product portfolio:
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