WALTER SLC 22/20 screw compressor input power 22 kW, air delivery 1–1.7 m³/min at 20 bar, inverter, for laser cutting, 7-year warranty
Code: SLC-22/20
Product detailed description
WALTER SLC 22/20 screw compressor at 20 bar with inverter
The SLC 22/20 is the only model in the Laser Cut range for 20 bar pressure. At this pressure, it delivers 1–1.7 m³/min, i.e. the largest air delivery being 29% lower than the SLC 22/16 at 16 bar.
The housing and weight of 550 kg are the same as the SLC 22/16, differing only in pressure and air delivery. The inverter continuously varies the speed; the air tank and air treatment are sized separately.
Configuration of this machine
- The inverter continuously varies the speed
- Standalone unit without air tank and dryer, 20 bar pressure
- Weight 550 kg, noise level 64 dB(A)
- G 1″ connection, housing shared with the SLC 22/16
- Power supply 400 V / 3 / 50 Hz, WALTER CONTROLLER control unit
Who it is suitable for
For laser cutting, which requires the highest pressure in the range, and for operations where an air delivery of 1–1.7 m³/min is sufficient. The air tank and distribution system must be rated for a pressure of 20 bar.
When to choose a different model
Lower pressure, more air
At a pressure of 16 bar, the SLC 22/16 machine delivers 1.2–2.4 m³/min.
Standard pressures
With the same power input and pressures of 8, 10 and 13 bar, the SF 22 KSP is available. At 13 bar it delivers up to 3.3 m³/min.
What the parameters imply — calculated values
The values are calculated from the maximum air delivery at the machine's working pressure and serve to compare models with each other, not as a guaranteed figure.
Frequently asked questions
- Why is the air delivery at 20 bar lower than at 16 bar?
- At a higher pressure, the machine delivers less air with the same power input of 22 kW: the maximum air delivery drops from 2.4 m³/min at 16 bar to 1.7 m³/min at 20 bar.
- Is there also an assembly with an air tank and a dryer?
- An assembly with an air tank, dryer and filters is available in the range only for 16 bar pressure, namely the SLCTG 15/16 COMBO.
The machine is covered by a 7-year warranty on the entire machine. Warranty conditions, maintenance, and a comparison of all 3 models can be found in the category Screw compressors WALTER SLC Laser Cut: 16 and 20 bar.
Ventilek advises
For the 20 bar version, the upper limit of air delivery, 1.7 m³/min, is decisive. It is advisable to compare the cutter's consumption with this value, not with the value of the 16 bar machine.
Additional parameters
| Category: | Air compressors |
|---|---|
| Warranty: | 7 let |
| Compressor type: | Screw compressor |
| Pressure: | 20 bar |
| Air delivery: | 1 700 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: | 550 kg |
| Engine: | Electric |
| Air dryer: | No |
| Retrieved from: | Professional |
| Development: | Stationary |
| Inverter: | Yes |
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