Screw compressor WALTER SFTG 7,5/500 KSP COMBO power input 7.5 kW, air delivery 0.42–1.15 m³/min at 8 bar, air tank 500 l, with dryer, inverter, 7-year warranty
Code: SFTG-7-5/500-KSP-COMBOProduct detailed description
WALTER SFTG 7,5/500 KSP COMBO screw compressor with complete air treatment
SFTG 7,5/500 KSP COMBO is the heaviest assembly with a power input of 7.5 kW: the compressor with inverter, 500 l air tank, dryer and filters weigh 434 kg together.
The dimensions 1,970 × 720 × 1,700 mm are the same as for the version without dryer, the weight is 51 kg higher. The dryer's dew point is +3 °C and at 13 bar the machine delivers up to 0.95 m³/min.
Configuration of this machine
- Direct drive 1:1 · IE4 magnetic motor (IE5 optional) · inverter
- Three pressures: 8, 10 and 13 bar
- Dryer and filters included in the assembly, dew point +3 °C
- Housing 1,970 × 720 × 1,700 mm, G ¾″ connection, noise level 60 dB(A)
- Power supply 400 V / 3 / 50 Hz, WALTER CONTROLLER control unit



Who it suits
For operation with multiple outlet points, where both dry air and a reserve in the air tank matter. Compression, reserve, drying and filtration are all in one unit, so only one placement of the assembly needs to be solved.
When to choose a different model
Without dryer
Without dryer and filters, but in the same housing, is the SFTG 7,5/500 KSP. It weighs 383 kg.
Belt drive
The same tank and dryer, but with belt drive and fixed speed, is offered by the SKTG 7,5/500 SP COMBO, which delivers 1.15 m³/min at 8 bar and weighs 421 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
- What is the noise level?
- 60 dB(A) with a tolerance of ±3 dB(A). The same value also applies to the version without dryer.
- Can a similar assembly be put together from a standalone machine?
- The standalone SF 7,5 KSP also has an inverter and the same air delivery. It weighs 227 kg and has a footprint of 960 × 680 mm. The air tank, dryer, and filters would need to be added separately.
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 advises
The COMBO assembly is 1,970 mm long and weighs 434 kg, so it is a good idea to measure not only the plant room but also the route by which the machine will be brought to its location.
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: | 500 L |
| Connecting: | 3/4" |
| Motor power: | 7.5 kW |
| Mains voltage: | 400/50 V/Hz |
| Lubrication: | Oleic |
| Noise: | 60 dB(A) |
| Weight: | 434 kg |
| Engine: | Electric |
| Drive: | Direct |
| Air dryer: | Yes |
| Retrieved from: | Professional |
| Development: | Stationary |
| Inverter: | Yes |
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