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-KSP
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Šroubový kompresor WALTER SF 315 KSP
€0,05 / pcs €0,04 excl. VAT Measure price:
up to 14 days
Delivery to:
02.11.2026
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The largest machine in the SF KSP series with an inverter for large-scale production with variable demand. It weighs 4,900 kg, the connection is DN 125 and the noise level is 80 dB(A). It is manufactured for a pressure of 8 and 10 bar.

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Product 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.

49.5m³/min maximum air delivery at 8 bar
315kW motor input power
80dB(A) noise level
8–10bar operating pressure

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
Separation tank and screw block of the WALTER SF KSP compressor
Oil separator tank and screw airend
Axial cooling fan of the WALTER SF KSP compressor
Axial cooling fan

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

0.157m³/min of air delivery per 1 kW of power input at 8 bar
40%of the maximum air delivery at 8 bar is delivered by the machine at the lowest speed

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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