WALTER SF 30 DSP Screw Compressor power input 30 kW, air delivery 2.34–5.86 m³/min at 8 bar, two-stage, IE5 motor, 7-year warranty

Code: SF-30-DSP
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Šroubový kompresor WALTER SF 30 DSP
€0,05 / pcs €0,04 excl. VAT Measure price:
up to 14 days
Delivery to:
02.11.2026
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The second smallest two-stage WALTER, in a housing shared with the SF 37 DSP. Suitable for applications where the compressor runs for long periods and demand fluctuates. It weighs 826 kg, has a G 1½″ connection, and a noise level of 65 dB(A).

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Product detailed description

WALTER SF 30 DSP two-stage screw compressor

The SF 30 DSP builds on the smallest model in the range with higher output: at 8 bar it delivers up to 5.86 m³/min, at 10 bar up to 5.53 m³/min. Like the SF 22 DSP, it is produced for 8 and 10 bar.

It shares its housing, measuring 1,610 × 1,043 × 1,380 mm, with the SF 37 DSP. When you expand operations, higher output will fit into the same footprint.

5.86m³/min maximum air delivery at 8 bar
30kW motor power input
65dB(A) noise level
8–10bar operating pressure

Configuration of this machine

  • Two-stage screw block · direct drive 1:1 · IE5 magnetic motor with inverter
  • Working pressure 8 or 10 bar
  • Housing shared with SF 37 DSP, weight 826 kg
  • Connection G 1½″, noise level 65 dB(A)
  • Power supply 400 V / 3 / 50 Hz, WALTER CONTROLLER control unit
Two-stage screw block and separation tank of the WALTER SF DSP compressor
Two-stage screw airend and separator tank, SF DSP series
Compression diagram: savings of the two-stage block compared to the single-stage block
The green area is the saving of two-stage compression over single-stage

Who it suits

For operations that already find 22 kW insufficient, but don't yet need a large compressor room. The inverter maintains pressure even with fluctuating demand, and the machine slows down at lower consumption.

When to choose a different model

Consumption around 7 m³/min

SF 37 DSP comes in the same housing and delivers up to 7.5 m³/min at 8 bar. It is also produced for 13 bar.

Constant consumption

The single-stage SF 30 KSP delivers up to 5.21 m³/min at 8 bar and weighs 518 kg. The two-stage SF 30 DSP delivers 12% more air.

What the parameters imply — calculated values

0.195m³/min of air delivery per 1 kW of input power at 8 bar
+12 %more air at 8 bar compared to the single-stage SF 30 KSP

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 SF 30 DSP be operated at 13 bar?
No. The model is manufactured for 8 and 10 bar; 13 bar is only offered by the SF 37 DSP.
What is the control range at 10 bar?
2.21–5.53 m³/min. The inverter continuously adjusts the output according to demand.

The machine is covered by a 7-year warranty on the entire machine. Warranty terms, maintenance, and a comparison of all 13 models can be found in the category WALTER SF DSP screw compressors: two-stage compression.

Ventilek advises

The range 2.34–5.86 m³/min means: below the lower limit the machine will not slow down further, and above the upper limit it will not add anything more. Look for a model where your typical demand falls somewhere in the middle.

Additional parameters

Category: Air compressors
Warranty: 7 let
Compressor type: Screw compressor
Pressure: 8 bar, 10 bars
Air delivery: 5 860 l/min
Pressure vessel volume: It isn't
Connecting: 1 1/2"
Motor power: 30 kW
Mains voltage: 400/50 V/Hz
Lubrication: Oleic
Noise: 65 dB(A)
Weight: 826 kg
Engine: Electric
Drive: Direct
Air dryer: No
Retrieved from: Professional
Development: Stationary
Inverter: Yes

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WALTER Kompressortechnik - Innovative Solutions for Compressors

  • 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.
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