WALTER SKTG 7,5/300 SP COMBO Screw Compressor power input 7.5 kW, air delivery 1.15 m³/min at 8 bar, air tank 300 l, with dryer, belt-driven, 7-year warranty
Code: SKTG-7-5/300-SP-COMBOProduct detailed description
WALTER SKTG 7,5/300 SP COMBO screw compressor with dryer in a shorter housing
The SKTG 7,5/300 SP COMBO offers a power input of 7.5 kW with a dryer and filters in a housing 287 mm shorter than the COMBO with a 500 l tank. At 8 bar it delivers 1.15 m³/min, at 13 bar only 0.85 m³/min.
On the 300 l air tank, the unit weighs 369 kg, 52 kg less than the COMBO with the largest air tank. The dryer and filters sit on the same footprint of 1,683 × 739 mm as the model without a dryer.
Configuration of this machine
- Low-speed screw block · belt drive with modern belt tensioning · fixed speed without inverter
- Air tank 300 l, dryer and filters in the assembly, housing 1,683 × 739 × 1,629 mm
- Pressures 8, 10 and 13 bar
- Weight 369 kg, connection G ¾″
- Power supply 400 V / 3 / 50 Hz, WALTER CONTROLLER control unit



Who is it suitable for
It is suitable for operations with higher air consumption, where dried and filtered air from the machine is needed and where space or floor load capacity limit the choice. At the same power input and air delivery, it is lighter than the COMBO with a 500 l tank, but the air supply is 200 l smaller.
When to choose a different model
Larger air tank
The assembly with a 500 l tank is offered by the SKTG 7,5/500 SP COMBO. It weighs 421 kg, i.e. 52 kg more.
Without dryer
The same machine without a dryer and filters is the SKTG 7,5/300 SP. It weighs 43 kg less.
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 a variant with an inverter also available?
- On the same tank with the dryer is built the SFTG 7,5/300 KSP COMBO, which has an inverter and direct drive. Its air delivery at 8 bar varies continuously within the range of 0.42–1.15 m³/min.
- How much shorter is it than the COMBO with the 500 l tank?
- By 287 mm: the length is 1,683 mm versus 1,970 mm. The height is 71 mm lower, the width is 19 mm larger.
This machine is covered by a 7-year warranty on the entire unit. Warranty conditions, maintenance, and a comparison of all 12 models can be found in the category Screw compressors WALTER SKTG SP and SK SP: belt drive.
Ventilek advises
Compared to the COMBO with the 500 l tank, it loses 52 kg in weight and 287 mm in length. With limited floor load capacity or a tight passage, this can make the difference.
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: | 300 L |
| Connecting: | 3/4" |
| Motor power: | 7.5 kW |
| Mains voltage: | 400/50 V/Hz |
| Lubrication: | Oleic |
| Noise: | 62 dB(A) |
| Weight: | 369 kg |
| Engine: | Electric |
| Drive: | V-belts |
| Air dryer: | Yes |
| Retrieved from: | Professional |
| Development: | Stationary |
| Inverter: | No |
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