WALTER SF 7,5 KSP Screw Compressor input power 7.5 kW, air delivery 0.42–1.15 m³/min at 8 bar, direct drive, inverter, 7-year warranty

Code: SF-7-5-KSP
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Šroubový kompresor WALTER SF 7,5 KSP
€7 227,22 / pcs €5 972,91 excl. VAT Measure price:
up to 14 days
Delivery to:
02.11.2026
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A small machine with an inverter for a workshop or facility where air consumption fluctuates during the day. It weighs 227 kg, the connection is G ¾″, noise level is 60 dB(A), and oil is separated by a screw-on separator.

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Product detailed description

WALTER SF 7,5 KSP screw compressor with screw-type oil separator

At 8 bar, the SF 7,5 KSP delivers up to 1.15 m³/min, i.e. 21% more than the SF 5,5 KSP in the same housing. The regulation range at 8 bar is 0.42–1.15 m³/min.

Weight 227 kg, G ¾″ connection and noise level 60 dB(A) remain the same as on the smaller model. So it's only a matter of air demand.

1.15m³/min maximum air delivery at 8 bar
7.5kW motor input power
60dB(A) noise level
8–13bar operating pressure

Configuration of this machine

  • Single-stage screw block · direct drive 1:1 · IE4 motor (IE5 optional) with inverter · screw-type oil separator
  • Three pressures: 8, 10 and 13 bar
  • Housing shared with the SF 5,5 KSP, weight 227 kg
  • G ¾″ connection, noise level 60 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 suits

Suitable where 5.5 kW is not enough, but the machine needs to stay in the smallest housing of the range. At a pressure of 13 bar, it delivers up to 0.95 m³/min.

When to choose a different model

Lower consumption

The SF 5,5 KSP is housed in the same housing and delivers up to 0.95 m³/min at 8 bar.

Higher power

The SF 11 KSP delivers up to 1.65 m³/min at 8 bar, but it is housed in a larger housing (1,090 × 730 × 1,080 mm) and weighs 243 kg.

What the parameters imply — calculated values

0.153m³/min of air delivery per 1 kW of input power at 8 bar
37%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

How does the SF 7,5 KSP differ from the SF 5,5 KSP?
By power output. The housing, weight, connection and noise level are the same; the maximum air delivery at 8 bar is 1.15 versus 0.95 m³/min.
Is it also made for 13 bar?
Yes, the model is manufactured for 8, 10 and 13 bar. At 10 bar it delivers up to 1 m³/min and at 13 bar up to 0.95 m³/min.

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

The same housing and the same connection mean that both of the smallest models are connected in the same way. So choose based only on how much air you actually need.

Additional parameters

Category: Air compressors
Warranty: 7 let
Compressor type: Screw compressor
Pressure: 8 bar, 10 bars, 13 bar
Air delivery: 1 150 l/min
Pressure vessel volume: It isn't
Connecting: 3/4"
Motor power: 7.5 kW
Mains voltage: 400/50 V/Hz
Lubrication: Oleic
Noise: 60 dB(A)
Weight: 227 kg
Engine: Electric
Drive: Direct
Air dryer: No
Retrieved from: Professional
Development: Stationary
Inverter: Yes

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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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