Screw compressor WALTER SF 15 KSP power input 15 kW, air delivery 0.92–2.25 m³/min at 8 bar, direct drive, inverter, 7-year warranty

Code: SF-15-KSP
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Šroubový kompresor WALTER SF 15 KSP
€8 547,37 / pcs €7 063,94 excl. VAT Measure price:
up to 14 days
Delivery to:
02.11.2026
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A machine for smaller production with fluctuating demand, which can optionally be fitted with a tank and dryer. It weighs 243 kg, the connection is G ¾″ and the noise level is 62 dB(A). In a housing of 1,090 × 730 mm, it is the same size as the SF 11 KSP.

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Product detailed description

WALTER SF 15 KSP screw compressor, the most powerful model with optional tank and dryer

The SF 15 KSP is the most powerful of the models that can optionally be equipped with an air receiver and/or a dryer. At 8 bar it delivers up to 2.25 m³/min, at 10 bar 2.15, and at 13 bar 2.07 m³/min.

The housing, 1,090 × 730 × 1,080 mm, is shared with the SF 11 KSP, weighing 243 kg. Above this output, the range continues in a larger housing.

2.25m³/min maximum air delivery at 8 bar
15kW motor power input
62dB(A) noise level
8–13bar operating pressure

Configuration of this machine

  • Single-stage screw airend · direct drive 1:1 · IE4 motor (IE5 optional) with inverter · submerged oil separator
  • Three pressures: 8, 10 and 13 bar
  • Housing shared with the SF 11 KSP, weight 243 kg
  • Connection G ¾″, noise level 62 dB(A)
  • Power supply 400 V / 3 / 50 Hz, WALTER CONTROLLER control unit
Separation tank and screw block of the WALTER SF KSP compressor
Oil separator tank and screw airend
Axial cooling fan of the WALTER SF KSP compressor
Axial cooling fan

Who it suits

For operations where daytime demand fluctuates and where a ready-made unit with a tank and dryer may be useful. The control range at 8 bar is 0.92–2.25 m³/min.

When to choose a different model

An already complete set

A 500 l air tank and a dryer in one unit is offered by the SFTG 15/500 KSP COMBO. The set weighs 492 kg.

More air

The SF 18,5 KSP delivers up to 3.2 m³/min at 8 bar. It has a larger housing (1,300 × 880 × 1,170 mm), weighs 378 kg, and the connection is G 1″.

What the parameters imply — calculated values

0.150m³/min air delivery per 1 kW power input at 8 bar
41%of the maximum air delivery at 8 bar is delivered by the machine at the lowest speed

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

What is the difference compared to the SK 15 KSP?
The SK 15 KSP is the same machine without an inverter, with fixed speed. It has the same maximum air delivery at 8 bar, 2.25 m³/min, but it has no control range.
How much space does the assembly with the tank and dryer take up?
The SFTG 15/500 KSP COMBO assembly has a housing of 1,970 × 760 × 1,750 mm and weighs 492 kg. The SF 15 KSP alone is smaller: 1,090 × 730 × 1,080 mm and 243 kg.

The machine comes with a 7-year warranty covering the entire machine. Warranty terms, maintenance, and a comparison of all 19 models can be found in the category Screw compressors WALTER SF KSP: inverter and direct drive.

Ventilek’s tip

The complete assembly on the air receiver is supplied as a single unit, so it takes up less space and installation is quick. The standalone unit is suitable where you already have an air receiver.

Additional parameters

Category: Air compressors
Warranty: 7 let
Compressor type: Screw compressor
Pressure: 8 bar, 10 bars, 13 bar
Air delivery: 2 250 l/min
Pressure vessel volume: It isn't
Connecting: 3/4"
Motor power: 15 kW
Mains voltage: 400/50 V/Hz
Lubrication: Oleic
Noise: 62 dB(A)
Weight: 243 kg
Engine: Electric
Drive: Direct
Air dryer: No
Retrieved from: Professional
Development: Stationary
Inverter: Yes

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