WALTER SFTG 5,5/500 KSP Screw Compressor power input 5.5 kW, air delivery 0.42–0.95 m³/min at 8 bar, air tank 500 l, inverter, 7-year warranty
Code: SFTG-5-5/500-KSP
Product detailed description
WALTER SFTG 5,5/500 KSP screw compressor with large air reserve
SFTG 5,5/500 KSP combines the smallest power input in the SFTG KSP range with the largest air receiver: a 500 l tank provides a large air reserve for short consumption peaks.
The assembly 1,970 × 720 × 1,700 mm weighs 363 kg. At 8 bar, the unit delivers up to 0.95 m³/min, and at 10 bar up to 0.8 m³/min. There are 91 l of air receiver per 1 kW of power input, the most of all models in the range.
Configuration of this machine
- Direct drive 1:1 · IE4 magnetic motor (IE5 optional) · inverter
- Three pressures: 8, 10 and 13 bar
- 500 l air tank, assembly 1,970 × 720 × 1,700 mm, weight 363 kg
- G ¾″ connection, noise level 60 dB(A), control range at 8 bar 0.42–0.95 m³/min
- Power supply 400 V / 3 / 50 Hz, WALTER CONTROLLER control unit
Who it suits
For operation with sudden consumption, where more air is briefly consumed than the compressor can produce. The large tank evens out these peaks while the inverter gradually adjusts the speed. The 500 l reserve is especially useful where consumption is short but intense.
When to choose a different model
Dryer in the assembly
With a dryer and filters in the same dimensions is the SFTG 5,5/500 KSP COMBO, heavier by 32 kg.
Shorter assembly
The 300 l air tank is used by SFTG 5,5/300 KSP. The assembly is 287 mm shorter (1,683 mm) and weighs 326 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
- Why does a compressor with low power input have such a large air tank?
- The tank serves as an air reserve for short demand peaks. This makes the pressure in the distribution system fluctuate less, and the inverter does not have to change speed as abruptly.
- How much air does the machine deliver at higher pressure?
- At 10 bar up to 0.8 m³/min, at 13 bar up to 0.64 m³/min, which is 67% of the air delivery at 8 bar.
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 assembly length of 1,970 mm is determined by the tank, not the compressor, and it is advisable to plan the space in the plant room accordingly.
Additional parameters
| Category: | Air compressors |
|---|---|
| Warranty: | 7 let |
| Compressor type: | Screw compressor |
| Pressure: | 8 bar, 10 bars, 13 bar |
| Air delivery: | 950 l/min |
| Pressure vessel volume: | 500 L |
| Connecting: | 3/4" |
| Motor power: | 5.5 kW |
| Mains voltage: | 400/50 V/Hz |
| Lubrication: | Oleic |
| Noise: | 60 dB(A) |
| Weight: | 363 kg |
| Engine: | Electric |
| Drive: | Direct |
| Air dryer: | No |
| Retrieved from: | Professional |
| Development: | Stationary |
| Inverter: | Yes |
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