High-pressure ABAC Tech compressor - ATH-5,5/20-BTX motor 5.5 kW, 402 l/min at 20 bar, intake 570 l/min, no vessel, supply 400/50 V/Hz, 100 dB Lwa / 80 dB at 4 m

Code: ATH-5-5/20-BTX
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FREEFREE €6 832,59 –5 %
294158 1 ath 5 5 20 btx
€6 832,59 –5 % €6 490,96 / pcs €5 364,43 excl. VAT Measure price:
up to 20 days
Delivery to:
20.11.2026
Delivery options
Five and a half kilowatts on a base frame with star-delta starting. The mid-range machine for plants that have their own twenty-bar pressure vessel.

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Product detailed description

High-pressure compressor ABAC Tech ATH on a steel support frame without an air receiverABAC Tech ATH · 20 bar · 402 l/min

ATH-5,5/20-BTX delivers 402 l/min at a full 20 bar from 570 l/min of intake. It is a two-stage unit on a steel support frame with an S1 motor for continuous operation and star-delta starting. It has no air receiver — it is designed to work with a distribution network or your own certified air receiver.

402 l/minoutput at 20 bar
2 stagesof compression
5.5 kWmotor power
100 dBsound power level Lwa

Frame, or air receiver?

This machine exists in two versions with the same unit: on a frame (101 kg) and mounted on a 270-litre air receiver (211 kg). Inside it's the same thing, the only difference is whether you provide the air supply yourself or it arrives with the tank.

The frame version makes sense when you already have a main air receiver in your plant room or a long distribution line that holds the air supply on its own. It is 110 kg lighter and takes up significantly less space — 1,073 mm in length compared to 1,915 mm for the assembly on the tank.

Equipment and details

What the ATH-5,5/20-BTX comes with from the factory

  • two-stage oil-lubricated unit with two V-shaped cylinders, 1,500 rpm
  • 5.5 kW motor in S1 mode, i.e. 100% duty cycle with no pauses for cooling
  • direct drive without belts — the unit sits directly on the motor
  • mounted on a steel support frame without an air receiver — air goes to the distribution network or to your own tank
  • electric motor 400/50 V/Hz, three-phase supply, star-delta starting
  • intake 570 l/min, output 402 l/min at an operating pressure of 20 bar
  • intercooler between the low-pressure and high-pressure cylinder, stainless steel valves
  • crankshaft bearings factory-filled with grease for the entire service life
  • weight 101 kg, dimensions 1,073 × 693 × 761 mm; noise level 100 dB Lwa, at 4 m 80 dB
  • 2-year warranty

Machine details

Two-stage unit ABAC Tech ATH labeled HIGH PRESSURE with ribbed V-type cylinders
The airend head is marked HIGH PRESSURE. The two V-arranged cylinders work in series here, not side by side.
High-pressure compressor ABAC Tech ATH, 20 bar, mounted on a 270-litre horizontal air receiver
Ready-to-use assembly on a two-hundred-seventy-litre air receiver — the unit, motor, and pressure switch all on a single base.

Where to go next if the ATH-5,5/20-BTX doesn't fit

On the air receiver, the same machine is the ATH-5,5/20-270FTX. Smaller is the ATH-4/20-BTX, stronger is the ATH-7,5/20-BTX. The full overview is in the overview of the whole category.

Delivery is the amount of air the machine delivers at an operating pressure of 20 bar; intake is the volume drawn in by the low-pressure cylinder. Noise level is given as the sound power level Lwa from the nameplate and as sound pressure at 4 m from the machine. Performance data according to ISO 1217, Annex C, noise level according to ISO 2151.

Ventilek advises

Without an air receiver, the machine won't hold pressure on its own — it needs somewhere to store the air. If you don't already have a twenty-bar air receiver, go straight for the version with the air receiver.

Additional parameters

Category: Air compressors
Warranty: 2 years
Compressor type: Piston compressor
Pressure: 20 bar
Suction power: 570 l/min
Air delivery: 402 l/min
Pressure vessel volume: It isn't
Motor power: 5.5 kW
Mains voltage: 400/50 V/Hz
Speeds: 1500 rpm
Number of cylinders: 2
Number of grades: 2 – two-stage compressor
Lubrication: Oleic
Noise: 100 dB - Lwa, 80 dB - Lwp(4m)
Dimensions: 1073 × 693 × 761 mm
Weight: 101 kg
Engine: Electric
Soundproofed: No
Drive: Direct
Starting the machine: Y/D - Star triangle
Air dryer: No
Retrieved from: Industrial
Development: Stationary

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The company ABAC has been one of the most important manufacturers of piston compressors on the world market since its establishment in 1980 . Currently, the brand ABAC is owned by ATLAS COPCO, the largest compressor manufacturer in the world and is part of the multinational group PAD (Professional Air Division). The goal of the ABAC brand is to become a world leader in the development, production and sale of piston compressors.

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Innovative concept

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A modern solution

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In the supplier program of the ABAC brand you will find 100%. The basic range includes 100% from small portable compressors for home applications to larger stationary compressors for permanent deployment.

Piston compressor range from the manufacturer ABAC