High-pressure ABAC Tech compressor - ATH-1,5/20-BT motor 1.5 kW, 126 l/min at 20 bar, intake 204 l/min, no vessel, supply 400/50 V/Hz, 98 dB Lwa / 78 dB at 4 m

Code: ATH-1-5/20-BT
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FREEFREE €3 976,88 –5 %
294074 1 ath 1 5 20 bt
€3 976,88 –5 % €3 778,04 / pcs €3 122,35 excl. VAT Measure price:
up to 20 days
Delivery to:
10.11.2026
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The smallest machine of the twenty-bar range on a steel base frame. Twenty bar in two stages, no pressure vessel — the air goes straight into the pipework or into a receiver you already have.

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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 · on frame

Entry into the twenty-bar range. The ATH-1,5/20-BT is a two-stage unit on a steel frame, delivering 126 l/min at a full 20 bar and able to run continuously. It has no tank of its own, so it connects to a piped distribution system or to an air receiver you already have in operation — but that receiver must be certified for twenty bar.

126 l/mindelivery rate at 20 bar
2 stagesof compression
1.5 kWmotor input power
98 dBsound power level Lwa

Why a two-stage machine

Compressing to twenty bar in a single stage isn't possible: the discharge temperature would exceed the limit that the oil and valves can withstand. ATH therefore compresses in two steps: the low-pressure cylinder pre-compresses the air, the intercooler removes heat from it, and the high-pressure cylinder compresses it up to the operating pressure. That's why this machine delivers 126 l/min at a full 20 bar out of the 204 l/min intake.

A frame without a tank makes sense where you already have an air supply — a main air receiver in the plant room or a sufficiently long piped distribution system. If you don't have a tank rated for twenty bar, it's simpler to choose the version on an air receiver, where a certified tank is part of the assembly.

Equipment and details

What the ATH-1,5/20-BT offers from the factory

  • two-stage oil-lubricated unit with two V-shaped cylinders, 1,500 rpm
  • 1.5 kW motor in S1 mode, i.e. 100% duty cycle without cooling pauses
  • 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
  • 400/50 V/Hz electric motor, three-phase supply, direct start
  • intake 204 l/min, delivery rate 126 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 71 kg, dimensions 686 × 575 × 671 mm; noise level 98 dB Lwa, 78 dB at 4 m
  • 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-1,5/20-BT doesn't suit you

A complete assembly with a ninety-litre tank is the ATH-1,5/20-90FT, and the ATH-2,2/20-BT delivers almost fifty litres more. The complete overview is in the overview of the whole category, and for five bar less look into the 15 bar range.

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's advice

The smallest machine in the range still isn't a small compressor — it's an industrial two-stage unit for continuous operation. And watch out for the distribution system: the piping, fittings, and hoses must withstand twenty bar too, not just the compressor.

Additional parameters

Category: Air compressors
Warranty: 2 years
Compressor type: Piston compressor
Pressure: 20 bar
Suction power: 204 l/min
Air delivery: 126 l/min
Pressure vessel volume: It isn't
Motor power: 1.5 kW
Mains voltage: 400/50 V/Hz
Speeds: 1500 rpm
Number of cylinders: 2
Number of grades: 2 – two-stage compressor
Lubrication: Oleic
Noise: 98 dB - Lwa, 78 dB - Lwp(4m)
Dimensions: 686 × 575 × 671 mm
Weight: 71 kg
Engine: Electric
Soundproofed: No
Drive: Direct
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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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