ATMOS Perfect 5,5/2x90 piston compressor – 5.5 kW, 750 l/min cast-iron LB 75 pump unit · 10 bar · air receiver 2 × 90 l · 400 V

Code: P552X90CZ
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€2 796,90 –8 %
ATMOS Perfect 5,5/2x90
€2 796,90 –8 % €2 573,15 / pcs €2 126,57 excl. VAT Measure price:
up to 20 days
Delivery to:
25.11.2026
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A three-cylinder single-stage ATMOS Perfect 5,5/2x90 compressor with a cast-iron LB 75 pump unit, on two 90 l air receivers. It delivers 750 l/min of compressed air at 10 bar and has a 5.5 kW motor for 400 V. Five-year manufacturer’s warranty with annual maintenance using an original service kit.

Detailed information

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Product detailed description

The ATMOS Perfect 5,5/2x90 is a piston compressor with a three-cylinder single-stage cast-iron LB 75 pump unit, on two 90 l air receivers. It delivers 750 l/min of compressed air at a pressure of up to 10 bar. For a larger workshop, a paint shop or smaller production with higher air consumption.

Technical specifications

ParameterValue
Piston pump unitLB 75
Cylinders and compression3 cylinders in a W layout, single-stage
Intake capacity960 l/min
Air output (FAD, ISO 1217)750 l/min
Cut-out / cut-in pressure10 / 8 bar
Air receiver2 × 90 l, horizontal
Electric motor5.5 kW, 400 V / 50 Hz, three-phase
Pump unit / motor speed950 / 2,890 rpm
Sound pressure level LpA78 dB(A)
Oil capacity1.7 l, ATMOS VDL 100
Dimensions (L × W × H)1,010 × 1,010 × 735 mm
Weight169 kg
Circuit breaker25 A (type D)
Supply cable5 × 2.5 mm²
Motor protection ratingIP54
Ambient temperature+5 to +45 °C
Warranty5 years with annual maintenance using an original kit

Cast-iron LB 75 pump unit

Cast-iron LB 75 pump unit of the ATMOS Perfect 5,5/2x90 compressor
LB 75 pump unit, single-stage.

The LB 75 pump unit has 3 cylinders of high-grade cast iron arranged in a W. It runs at only 950 revolutions per minute, so it wears less and heats up less. It is driven by an electric motor via a V-belt and cooled by a large fan and the finned cylinders.

Equipment

  • pressure switch with motor overload protection — automatic start–stop operation
  • air receiver pressure gauge and safety valve
  • air filter on the pump unit intake
  • condensate drain cock on the air receiver and ball valve at the outlet
  • cooling fins on the cylinders and a large fan on the pulley
  • cable with a plug for a 400 V socket

You can add a pressure regulator, compressed air filters and a refrigeration dryer for dry air.

Five-year unlimited warranty

ATMOS five-year warranty
5-year warranty on the whole machine.

ATMOS gives this compressor a five-year warranty on the whole machine, with no limit on running hours and no service contract. Register the machine within 90 days of purchase and carry out maintenance once a year with an original ATMOS service kit. You record the maintenance in the manufacturer’s app via the QR code from the kit — each record extends the warranty by another year.

Service kits for this compressor

Kits for the LB 75 pump unit by service year. The kits for year 1 and year 3 contain oil with an extractor, air filter cartridges and check valve parts; the kits for year 2 and year 4 also contain valve plates, gaskets and a belt.

ServiceService kit
after 1 yearN770551
after 2 yearsN770552
after 3 yearsN770553
after 4 yearsN770554

Other Perfect 5,5 compressors

The same pump unit, a different version or air receiver:

ModelAir receiverMotorDimensions (L × W × H)Weight
Perfect 5,5/150150 l, horizontal5.5 kW, 400 V / 50 Hz, three-phase1,350 × 520 × 1,050 mm165 kg
Perfect 5,5/270270 l, horizontal5.5 kW, 400 V / 50 Hz, three-phase1,600 × 650 × 1,130 mm190 kg
Perfect 5,5/500500 l, horizontal5.5 kW, 400 V / 50 Hz, three-phase1,990 × 650 × 1,300 mm250 kg
Perfect 5,5/270 S270 l, vertical5.5 kW, 400 V / 50 Hz, three-phase700 × 600 × 1,850 mm190 kg
Perfect 5,5 PFTno air receiver (unit on a base frame)5.5 kW, 400 V / 50 Hz, three-phase700 × 450 × 530 mm115 kg

Ventilek says

Two 90-litre air receivers give the machine a low, compact build. Drain the condensate from both tanks.

You will find all machines of the range in the category ATMOS Perfect piston compressors.

Additional parameters

Category: Air compressors
Compressor type: Piston compressor
Pressure: 10 bars
Suction power: 960 l/min
Air delivery: 750 l/min
Pressure vessel volume: 180 L
Design of pressure vessel: Lying down
Connecting: 1/2"
Motor power: 5.5 kW
Mains voltage: 400/50 V/Hz
Speeds: 950 rpm
Number of cylinders: 3
Number of grades: 1 – single-stage compressor
Lubrication: Oleic
Noise: 78 dB(A)
Accessories: Wheels, Handle, Ball cock
Engine: Electric
Soundproofed: No
Drive: V-belts
Air dryer: No
Retrieved from: Professional
Development: Mobile
In stock: External warehouse

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A domestic company of world quality

One of the leading companies operating in the field of compressed air not only in the Czech Republic, but also in the world, is the domestic manufacturer ATMOS Chrást s.r.o., which presents itself mainly by the production of screw and piston compressors, screw blocks and motor generators. The roots of the company go back to 1899, when foundries and machine shops were established in the West Bohemian village; during the communist regime, the machine shops belonged to the national company Škoda Plzeň. It was at the end of this era that the company began licensed production of screw blocks and screw compressors, which became very popular over the years due to their reliability. Since then, ATMOS has come up with more than 25 new compressor types - creating a range of mobile, locomotive or stationary compressors that are subject to the most stringent global standards, adding the hallmark of honest design that is so much a part of ATMOS even in today's consumer age.

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A product offer for everyone

ATMOS is constantly working on new compressors and the characteristics are subject to regular technological research. As a result, the company has already come up with innovative ideas on several occasions, such as when it extremely reduced the noise level of stationary compressors without losing their top performance parameters, thanks to which they have been widely exported abroad. However, in addition to large companies, ATMOS also meets the needs of private customers with smaller workshop machines. Another breakthrough was the creation of the small and compact Albert compressors, whose product range is constantly expanding and are suitable for hobby use. More than 60 of these types are currently in production, with outputs ranging from 3 to 22 kW. The company is the youngest to launch motor generators, filling one of the gaps in the domestic market.

An overview of the compressors offered by ATMOS at Air Compressors can be found below.