Screw compressor WALTER SF 30 KSP power input 30 kW, air delivery 2–5.21 m³/min at 8 bar, direct drive, inverter, 7-year warranty
Code: SF-30-KSPProduct detailed description
Screw compressor WALTER SF 30 KSP, the smallest cabinet model for three power outputs
In the 1,500 × 1,030 × 1,280 mm cabinet there are three machines of the SF KSP series, and the SF 30 KSP is the smallest of them. The remaining two are SF 37 KSP and SF 45 KSP.
At 8 bar it delivers 2–5.21 m³/min, at 10 bar 1.8–4.5 m³/min, and at 13 bar up to 4 m³/min. It weighs 518 kg.
Configuration of this machine
- Single-stage screw airend · direct drive 1:1 · IE4 motor (IE5 optional) with inverter · submerged oil separator
- Three pressures: 8, 10 and 13 bar
- Cabinet shared with SF 37 KSP and SF 45 KSP, weight 518 kg
- Connection G 1½″, noise level 66 dB(A)
- Power supply 400 V / 3 / 50 Hz, WALTER CONTROLLER control unit


Who it suits
For operations that have outgrown models up to 22 kW. Compared to SF 22 KSP it delivers 30% more air at 8 bar and weighs 100 kg more.
When to choose a different model
Full-shift operation
For long-term operation there is the two-stage SF 30 DSP. At 8 bar it delivers up to 5.86 m³/min, 12% more, and weighs 826 kg.
More air in the same cabinet
SF 37 KSP delivers up to 6.2 m³/min at 8 bar and weighs 591 kg.
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
- Which models share the housing with the SF 30 KSP?
- SF 37 KSP and SF 45 KSP. The housing 1,500 × 1,030 × 1,280 mm, the G 1½″ connection and the 66 dB(A) noise level are the same for all three.
- How is the SF 30 KSP started?
- Thanks to the inverter, the current increases smoothly at startup and the device is protected against peak currents.
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
Three machines in the same housing have the same connection, so there is no need to redo the piping when the operation is expanded. However, keep in mind that the weight increases up to 690 kg.
Additional parameters
| Category: | Air compressors |
|---|---|
| Warranty: | 7 let |
| Compressor type: | Screw compressor |
| Pressure: | 8 bar, 10 bars, 13 bar |
| Air delivery: | 5 210 l/min |
| Pressure vessel volume: | It isn't |
| Connecting: | 1 1/2" |
| Motor power: | 30 kW |
| Mains voltage: | 400/50 V/Hz |
| Lubrication: | Oleic |
| Noise: | 66 dB(A) |
| Weight: | 518 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:
- Screw compressors: we offer a wide range of screw compressors that are designed for maximum energy efficiency and long life. Ideal for high demanding industrial applications.
- Reciprocating compressors: these compressors are robust and reliable, suitable for smaller applications and workshops where high flexibility and low running costs are required.
- Mobile compressors: lightweight and easily portable compressors that allow easy use in a variety of locations, ideal for construction and field work.
- Scroll and special compressors: provide quiet operation and are suitable for specific applications requiring minimal vibration and noise.
- Innovation and quality: WALTER emphasizes continuous development and improvement of its products to ensure maximum customer satisfaction. Their compressors are equipped with advanced technologies to optimise performance and save energy.
- Customer support and service: the company offers comprehensive service, including installation, maintenance and diagnostics, ensuring the long-term reliability and efficiency of their equipment.

