Piston compressor Perfect - 5.5/270S power input 5.5 kW, output 750 l/min, pressure 10 bar, vertical air receiver 270 l, voltage 400/50 V/Hz
Code: P55270SCZRelated products
Product detailed description
Vertical piston compressor ATMOS Perfect 5.5/270 S (5.5 kW, 400 V)
Do you need maximum performance but are struggling with space limitations? ATMOS Perfect 5.5/270 S is the ideal solution for demanding operations. Thanks to the vertical (standing) air receiver, it occupies an area of less than 0.5 m², while offering an uncompromising output of 750 l/min. The heart of the machine is a robust three-cylinder cast-iron unit LB 75, designed for professional daily operation in tire services, paint shops, and industrial halls.
What makes the ATMOS Perfect 5.5/270 S stand out:
- ✅ Maximum Space Saving: The vertical 270 l air receiver saves valuable workshop space.
- ✅ Record-low speed: The unit operates at just 950 rpm. This low-speed concept minimizes wear and ensures extreme bearing life.
- ✅ Manual Assembly and Testing: Each unit is assembled by a specific mechanic who is responsible for the final quality and personal supervision of machine tests.
- ✅ Three-Cylinder LB 75 Heart: The cast-iron workhorse with a 'W' cylinder arrangement offers smooth operation, stability, and high energy efficiency.
- ✅ 60-month warranty: For the reliability of Czech design, ATMOS provides an unlimited five-year warranty.
- Industrial Quality: A high-quality cast iron unit designed for regular and heavy-duty operation.
- Economical Control: Fully automatic start-stop operation thanks to a branded pressure switch.
- Protection and Safety: Integrated overload protection and high motor protection rating IP54.
- Aftercooler: Standard equipment for effective moisture reduction in the air.
- Quiet operation: Massive cast iron combined with low speed effectively absorbs noise.
- Suitable for continuous operation: Robust construction allows deployment even in demanding biogas plants.
- Optimal cooling: Large fan and generously dimensioned cylinder cooling fins.
- High stability: Solid vertical base equipped with damping silentblocks.
- Quick service access: Open design ensures convenient access to all key components.
- Czech tradition: Quality proven by thousands of installations in the Czech Republic and abroad since 2004.
Three-cylinder unit LB 75 (W arrangement)
Economical vertical design 270 l
Rich equipment and aftercooler
Perfect series compressors and their designs

Technical specification (ATMOS Perfect 5.5/270 S) |
|
| Piston unit | LB 75 (3 cylinders in W, single-stage) |
| Performance (discharge) | 750 l/min (0.750 m³/min) |
| Intake amount | 960 l/min (0.960 m³/min) |
| Nominal motor power | 5.5 kW (400 V / 50 Hz) |
| Unit speed | 950 rpm (low-speed machine) |
| Cut-out / Cut-in pressure | 10 / 8 bar |
| Airman | 270 l (vertical) |
| Dimensions (l x w x h) | 700 x 600 x 1850 mm |
| Weight | 190 kg |
| Protection (characteristic D) | 25 A |
Ventilek recommends: The 270 S model with 5.5 kW power is a clear choice for larger tire services where space is limited. This three-cylinder unit runs at only 950 rpm, so it barely breaks a sweat. The honest Czech cast iron from Chrast is undeniable, and with a five-year warranty, you have the assurance that this workhorse will age with you in the workshop!
Need advice?
🔗 How to choose the right compressor power?
🔗 Why is dry and clean air crucial in the workshop?
Additional parameters
| Category: | Compressors for all applications - hobby and industrial |
|---|---|
| Warranty: | 5 years |
| Compressor type: | Piston compressor |
| Pressure: | 10 bars |
| Suction power: | 960 l/min |
| Displacement: | 750 l/min |
| Pressure vessel volume: | 270 L |
| Design of pressure vessel: | Standing |
| 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: | Stationary |
| In stock: | External warehouse |
| Piston unit: | LB 75 |
| Dimensions: | 700 x 600 x 1 850 mm |
| Weight: | 190 kg |
| Container outlet: | Ball valve 1/2" |
| Compressor switching pressure: | 8 bar |
| Compressor cut-out pressure: | 10 bars |
| Pressure difference: | 2 bars |
How Czech ATMOS compressors are made: a look into the production!
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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.

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