Screw compressor WALTER SFTG 7,5/270 KSP power input 7.5 kW, air delivery 0.42–1.15 m³/min at 8 bar, air tank 270 l, inverter, 7-year warranty
Code: SFTG-7-5/270-KSP
Product detailed description
WALTER SFTG 7,5/270 KSP screw compressor: higher output on the smallest footprint in the series
The SFTG 7,5/270 KSP adds higher output to the smallest footprint in the SFTG KSP series: at 8 bar it delivers up to 1.15 m³/min, at 10 bar up to 1 m³/min, and at 13 bar up to 0.95 m³/min.
The dimensions of 1,280 × 650 × 1,630 mm and the weight of 280 kg are the same as for the SFTG 5,5/270 KSP. However, the air delivery is 21% higher at 8 bar and 48% higher at 13 bar.
Configuration of this machine
- Direct drive 1:1 · IE4 magnetic motor (IE5 optional) · inverter
- Three pressures: 8, 10 and 13 bar
- 270 l air tank, assembly 1,280 × 650 × 1,630 mm, weight 280 kg
- G ¾″ connection, noise level 60 dB(A), control range at 13 bar 0.43–0.95 m³/min
- Power supply 400 V / 3 / 50 Hz, WALTER CONTROLLER control unit
Who it suits
For smaller operations where an input power of 5.5 kW is not enough, but there is no room for a larger assembly. At a pressure of 13 bar it delivers 0.95 m³/min, i.e. the same as the SFTG 5,5/270 KSP at 8 bar.
When to choose a different model
Without tank
The same input power, inverter, and air delivery, but without a tank, is the SF 7,5 KSP, which weighs 227 kg and takes up a footprint of 960 × 680 mm.
Larger air tank
The 300 l tank is on the SFTG 7,5/300 KSP. The assembly is 403 mm longer and 46 kg heavier.
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 difference compared to the 5.5 kW model noticeable even at 10 bar?
- Yes. At 10 bar, the 7.5 kW model delivers up to 1 m³/min compared to 0.8 m³/min for the 5.5 kW model, i.e. 25% more.
- How does the machine start up?
- Smoothly. The inverter increases the speed gradually, the current during start-up rises slowly, and the electronics protect the motor and power supply from current spikes. The motor winding is monitored by thermal protection.
The machine is covered by a 7-year warranty on the whole machine. Warranty conditions, maintenance and a comparison of all 14 models can be found in the category Screw compressors WALTER SFTG KSP: with inverter on the air receiver.
Ventilek’s advice
Anyone who wants to get as much air as possible from the smallest footprint should look at the 7.5 kW model. The difference compared to the 5.5 kW model is most noticeable at 13 bar.
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: | 270 L |
| Connecting: | 3/4" |
| Motor power: | 7.5 kW |
| Mains voltage: | 400/50 V/Hz |
| Lubrication: | Oleic |
| Noise: | 60 dB(A) |
| Weight: | 280 kg |
| Engine: | Electric |
| Drive: | Direct |
| Air dryer: | No |
| Retrieved from: | Professional |
| Development: | Stationary |
| Inverter: | Yes |
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