Screw compressor WALTER SK 7,5 SP input power 7.5 kW, air delivery 1.15 m³/min at 8 bar, without tank, belt drive, 7-year warranty
Code: SK-7-5-SP
Product detailed description
Standalone screw compressor WALTER SK 7,5 SP without tank
The SK 7,5 SP is the stronger of the pair of standalone machines in the range and at 8 bar delivers 1.15 m³/min, i.e. 35% more than the SK 5,5 SP.
The housing 1,020 × 720 × 1,000 mm and belt drive are the same as on the weaker model, the weight is 240 kg. The low-speed screw block operates at fixed speed and the air tank is selected separately.
Configuration of this machine
- Low-speed screw block · belt drive with modern belt tensioning · fixed speed without inverter
- Standalone machine without tank
- Housing 1,020 × 720 × 1,000 mm, weight 240 kg
- Pressures 8, 10 and 13 bar, G ¾″ connection, noise level 62 dB(A)
- Power supply 400 V / 3 / 50 Hz, WALTER CONTROLLER control unit
Who it suits
It serves well where the weaker model is no longer sufficient, but a tank-mounted assembly is not desirable. A pressure of 13 bar reduces the air delivery to 0.85 m³/min, so higher pressure is only worthwhile where the tools really need it.
When to choose a different model
Direct drive without a belt
The smallest model with direct drive and fixed speed is the SK 11 KSP. At 8 bar it delivers 1.65 m³/min and weighs 244 kg.
Inverter
The same power input with an inverter and direct drive is offered by the SF 7,5 KSP. At 8 bar it continuously delivers 0.42–1.15 m³/min.
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
- Does the SK 7,5 SP have an inverter?
- No, it operates at fixed speed. The air delivery is therefore a single value at each pressure: 1.15 m³/min at 8 bar, 1 m³/min at 10 bar, and 0.85 m³/min at 13 bar.
- How much more powerful is it than the SK 5,5 SP?
- At 8 bar it delivers 35% more air and weighs 20 kg more. The weaker model is the SK 5,5 SP.
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
The cabinet, 1,020 × 720 × 1,000 mm, is the same as on the SK 5,5 SP, so when planning space you can count on the same footprint for both power ratings.
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: | 62 dB(A) |
| Weight: | 240 kg |
| Engine: | Electric |
| Drive: | V-belts |
| Air dryer: | No |
| Retrieved from: | Professional |
| Development: | Stationary |
| Inverter: | No |
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