Screw compressor WALTER SKTG 5,5/300 SP power input 5.5 kW, air delivery 0.85 m³/min at 8 bar, air tank 300 l, belt drive, 7-year warranty

Code: SKTG-5-5/300-SP
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Šroubový kompresor WALTER SKTG 5,5/300 SP
€0,05 / pcs €0,04 excl. VAT Measure price:
up to 14 days
Delivery to:
02.11.2026
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A medium-sized tank for a workshop that cannot make do with the smallest air tank, but does not want to waste space on the largest one. The unit weighs 326 kg, the housing is 1,683 mm long, and the connection is G ¾″.

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Product detailed description

Screw compressor WALTER SKTG 5,5/300 SP on a 300 l air receiver

SKTG 5,5/300 SP sits in the middle of the tank range: the smallest has 270 l, the largest 500 l, and this model 300 l. At 8 bar it delivers 0.85 m³/min.

The housing 1,683 × 739 × 1,629 mm is 287 mm shorter than the model with the largest tank, but 19 mm wider. The belt drive with fixed speed is the same as in the other models of the range.

0.85m³/min air delivery at 8 bar
5.5kW motor power input
300l air tank
62dB(A) noise level

Configuration of this machine

  • Low-speed screw block · belt drive with modern belt tensioning · fixed speed without inverter
  • 300 l air tank, housing 1,683 × 739 × 1,629 mm
  • Pressures 8, 10 and 13 bar
  • Connection G ¾″, noise level 62 dB(A)
  • Power supply 400 V / 3 / 50 Hz, WALTER CONTROLLER control unit
Oil filter and separator cartridge of the WALTER SKTG SP compressor
Oil filter and separator cartridge
Motor with pulley for belt drive of the WALTER SKTG SP compressor
Motor with pulley for belt drive

Who it suits

For a workshop where the smallest air tank is not enough, but the largest one would take up unnecessary space. The housing, shorter than with the largest tank, is suitable where the length of the space is limited.

When to choose a different model

Smaller air tank

The smallest tank, 270 l, is found on the SKTG 5,5/270 SP. It weighs 26 kg less and the housing is 563 mm shorter than this model.

Largest air tank

The 500 l tank and a 1,970 mm long housing is found on the SKTG 5,5/500 SP. It weighs 350 kg.

What the parameters imply — calculated values

0.155m³/min of air delivery per 1 kW of power input at 8 bar
65%of the air delivery at 8 bar remains at a pressure of 13 bar

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

Is there the same machine with a dryer?
Yes, with a dryer and filters it is the SKTG 5,5/300 SP COMBO. It weighs 369 kg, i.e. 43 kg more, the cabinet dimensions are the same.
Is the belt drive demanding to operate?
No, the classic belt gearbox is easy to operate and the modern belt tensioning system speeds up the operation. Servicing is carried out every 2,000 motohours.

This machine is covered by a 7-year warranty on the entire unit. Warranty conditions, maintenance, and a comparison of all 12 models can be found in the category Screw compressors WALTER SKTG SP and SK SP: belt drive.

Ventilek advises

The difference compared to the 500 l tank is mainly in length: 1,683 mm versus 1,970 mm. In case of limited space, this can be the deciding factor.

Additional parameters

Category: Air compressors
Warranty: 7 let
Compressor type: Screw compressor
Pressure: 8 bar, 10 bars, 13 bar
Air delivery: 850 l/min
Pressure vessel volume: 300 L
Connecting: 3/4"
Motor power: 5.5 kW
Mains voltage: 400/50 V/Hz
Lubrication: Oleic
Noise: 62 dB(A)
Weight: 326 kg
Engine: Electric
Drive: V-belts
Air dryer: No
Retrieved from: Professional
Development: Stationary
Inverter: No

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