Cast iron piston compressor WK550-4-0/270P power consumption 3 kW, suction capacity 550 l/min, pressure 10 bar, air receiver 270 l, voltage 400/50 V/Hz

Code: WK550-4-0/270P
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WK 550 4 0 270 kompresor waůter pistovy vzduch tlak press air
€1 689,10 / pcs €1 395,95 excl. VAT
up to 14 days
Delivery to:
25.05.2026
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The WK550-4.0/270P reciprocating compressor with a cast iron three-cylinder unit and 270 litre air receiver delivers 4 HP, 10 bar pressure and an effective displacement of 440 l/min, making it the ideal solution for industrial plants, garages and workshops with high air requirements. The three-phase power supply (400 V) ensures stable operation and efficient filling of the airbox. The 270 litre airbox provides a large air supply for continuous operation without frequent motor switching. Low speed (~1,200 rpm) ensures quieter operation, lower vibration and longer machine life. Powerful compressor with large air chamber for maximum efficiency and long operation!

Detailed information

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Product detailed description

Walter WK550-4.0/270P cast iron piston compressor is a robust industrial solution for operations requiring above-average compressed air storage capacity. The combination of a three-cylinder cast iron unit (3W) and a large-volume 270-litre air receiver guarantees maximum pressure stability, minimal engine cycling, and extreme durability even in continuous workshop operation.

Three-cylinder power with a huge air reserve

The WK550 model utilizes a unique three-cylinder arrangement, ensuring smoother operation and more efficient cooling than standard two-cylinder models. In combination with the 270l tank, it is the ideal station for sandblasting and painting.

1️⃣ Top-Tier GK Series Construction

3W Cast Iron Unit – The three-cylinder concept ensures excellent thermal stability and a high suction capacity of 550 l/min while maintaining low operating temperatures.
Low Speed (1,202 rpm) – Low RPM technology significantly reduces noise and mechanical wear, radically extending service intervals.

2️⃣ Innovation for clean air and mechanical protection

New intake filters with steel mesh – The metal filter insert with a protective mesh guarantees excellent air purity. The steel cover also protects the filter from damage during workshop handling.
Reinforced piston group – More precise manufacturing and modernized seals reduce oil ingress into the air and increase the overall compression efficiency of the machine.

Litinový tříválcový kompresor Walter WK550-4,0/270P s 270l vzdušníkem

Technical parameters Walter WK550-4.0/270P (400 V)

Suction power 550 l/min
Effective Discharge 440 l/min
Maximum working pressure 10 bars
Air tank volume 270 l
Motor power 3.0 kW
Power supply voltage 400 V / 50 Hz
Number of cylinders 3W (cast iron)

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Applications and Benefits in Professional Practice

Thanks to the massive 270-liter air receiver and the three-cylinder configuration, this compressor is designed for:

  • 🔹 Industrial paint shops and sandblasting facilities – The 270l tank acts as a perfect accumulator, eliminating pressure fluctuations during demanding blasting operations.
  • 🔹 Larger car and tire service shops – Sufficient air for simultaneous operation of multiple impact wrenches and truck tire changers.
  • 🔹 Carpentry and metalworking shops – Stable air supply for wide belt sanders, staplers, and blowing off large surfaces.
  • 🔹 Assembly lines – A reliable air source for pneumatic presses and automation elements requiring high pressure stability.
Originální náhradní díly a servis pro kompresory Walter řady WK
Our team recommends: With the WK550 and its "two hundred and seventy" liter tank, you're entering the big leagues in your workshop. That huge air receiver is invaluable – the motor doesn't have to switch on every few minutes, saving fuses and your ears, and most importantly, you have stable pressure even when you really push it with the sandblaster. Walter has also added steel mesh filters to this generation, so even if you're grinding or dusty, the unit breathes clean air and is safely protected by a solid piece of iron!

Additional parameters

Category: Compressors for all applications - hobby and industrial
Warranty: 2 years
EAN: 5905122000127
Compressor type: Piston compressor
Pressure: 10 bars
Suction power: 550 l/min
Displacement: 440 l/min
Pressure vessel volume: 270 L
Design of pressure vessel: Lying down
Connecting: Quick coupling DN7.2, Ball valve 1/2"
Motor power: 3.0 kW
Mains voltage: 400/50 V/Hz
Speeds: 1,202 rpm
Number of cylinders: 3
Number of grades: 1 – single-stage compressor
Lubrication: Oleic
Noise: 80dB(A)
Dimensions: 1650 x 660 x 1120 mm
Weight: 132 kg
Accessories: Pressure regulator, Wheels, Handle, Quick coupler, Ball cock
Engine: Electric
Soundproofed: No
Drive: V-belts
Air dryer: No
Retrieved from: Professional
Development: Mobile

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WALTER Kompressortechnik - Innovative Solutions for Compressors

  • About the company WALTER: WALTER Kompressortechnik is a renowned manufacturer of air compressors and accessories, known for its quality, reliability and innovative technologies. The company focuses on providing highly efficient solutions for various industries.
  • Product portfolio:
    • Screw compressors: we offer a wide range of screw compressors that are designed for maximum energy efficiency and long life. Ideal for high demanding industrial applications.
    • Reciprocating compressors: these compressors are robust and reliable, suitable for smaller applications and workshops where high flexibility and low running costs are required.
    • Mobile compressors: lightweight and easily portable compressors that allow easy use in a variety of locations, ideal for construction and field work.
    • Scroll and special compressors: provide quiet operation and are suitable for specific applications requiring minimal vibration and noise.
  • Innovation and quality: WALTER emphasizes continuous development and improvement of its products to ensure maximum customer satisfaction. Their compressors are equipped with advanced technologies to optimise performance and save energy.
  • Customer support and service: the company offers comprehensive service, including installation, maintenance and diagnostics, ensuring the long-term reliability and efficiency of their equipment.

WALTER Kompressortechnik - Špičkové Kompresory pro Průmyslové AplikaceObjevte vysoce kvalitní vzduchové kompresory od WALTER Kompressortechnik. Nabízíme šroubové, pístové, mobilní a speciální kompresory navržené pro maximální účinnost a spolehlivost. Ideální řešení pro průmyslové i menší dílenské aplikace. Využijte moderní technologie pro úsporu energie a dlouhou životnost. Navštivte naši stránku pro více informací o našich produktech a profesionální servisní podpoře.