WALTER SK 22 KSP Screw Compressor power input 22 kW, air delivery 4 m³/min at 8 bar, direct drive, fixed speed, 7-year warranty
Code: SK-22-KSP
Product detailed description
WALTER SK 22 KSP fixed-speed, direct-drive screw compressor
The SK 22 KSP is the larger of two models in the 1,300 × 880 × 1,170 mm housing. At 8 bar it delivers 4 m³/min, at 10 bar 3.6, and at 13 bar 2.88 m³/min.
Compared to the SK 18,5 KSP, this is 25% more air at 8 bar, and the machine is 40 kg heavier. The G 1″ connection and the 64 dB(A) noise level remain the same.
Configuration of this machine
- Screw element coupled directly to the motor · fixed speed without inverter · three-stage oil separation
- Air delivery of 4 m³/min at 8 bar, 3.6 at 10 bar, and 2.88 at 13 bar
- Housing shared with the SK 18,5 KSP, weight 418 kg
- G 1″ connection, noise level 64 dB(A)
- Power supply 400 V / 3 / 50 Hz, WALTER CONTROLLER control unit
Who it suits
Suitable for operations with continuous demand, where air consumption barely changes during a shift. Under such a load, the inverter would have little to compensate for.
When to choose a different model
Two-stage compression
The two-stage SF 22 DSP delivers more air from the same power input: up to 4.2 m³/min at 8 bar, i.e. 5% more. However, it weighs 738 kg and comes in a larger housing of 1,500 × 1,037 × 1,273 mm.
Fluctuating consumption
The single-stage model with an inverter of the same power input is the SF 22 KSP. It has the same housing (1,300 × 880 × 1,170 mm) and weight (418 kg), with the air delivery at 8 bar varying continuously within the range of 1.44–4 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
- Can the SK 22 KSP be operated at 13 bar?
- Yes, the machine is manufactured for 8, 10, and 13 bar. At 13 bar it delivers 2.88 m³/min.
- How noisy is the SK 22 KSP compared to the two-stage SF 22 DSP?
- The SK 22 KSP has 64 dB(A). The two-stage SF 22 DSP has 63 dB(A), i.e. 1 dB(A) less. Both values are stated with a tolerance of ±3 dB, so the difference lies within the tolerance.
The machine is covered by a 7-year warranty on the entire machine. Warranty conditions, maintenance, and a comparison of all 17 models can be found in the category WALTER SK KSP screw compressors: direct drive without losses.
Ventilek’s advice
Before switching to a two-stage machine, it is worth calculating how many hours per year the compressor actually runs. With shorter operating times, two-stage compression will not make use of its advantage.
Additional parameters
| Category: | Air compressors |
|---|---|
| Warranty: | 7 let |
| Compressor type: | Screw compressor |
| Pressure: | 8 bar, 10 bars, 13 bar |
| Air delivery: | 4,000 l/min |
| Pressure vessel volume: | It isn't |
| Connecting: | 1" |
| Motor power: | 22 kW |
| Mains voltage: | 400/50 V/Hz |
| Lubrication: | Oleic |
| Noise: | 64 dB(A) |
| Weight: | 418 kg |
| Engine: | Electric |
| Drive: | Direct |
| Air dryer: | No |
| Retrieved from: | Professional |
| Development: | Stationary |
| Inverter: | No |
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- 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:
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