Cast iron WK550 aggregate on base frame Power consumption 3 kW, suction capacity 550 l/min, pressure 10 bar, without air receiver, voltage 400/50 V/Hz
Code: WK550-PLATERelated products
Product detailed description
The Walter WK550-PLATE cast iron compressor unit (on a base frame) represents a powerful industrial solution built on three-cylinder technology (3W). This model is designed for users who require high volumetric airflow and maximum reliability when connecting to existing distribution systems or external pressure vessels.
Three-cylinder power with cast iron durability
The WK550-PLATE model utilizes the advantages of three cylinders, which allow for more efficient cooling and smoother operation of the unit, thereby reducing vibrations and mechanical stress on the engine.
1️⃣ Design improvements of the GK series
✅ 3W Cast Iron Unit – The three-cylinder arrangement ensures excellent thermal stability and a high intake capacity of 550 l/min while maintaining compact dimensions.
✅ Low Speed (1,202 rpm) – The slow-running concept is key to extreme bearing life and minimal wear on piston rings.
2️⃣ Modern Filtration and Tightness
✅ Steel Covers and Grille Filters – A new generation of suction filters with a metal insert guarantees clean air for the unit, even in demanding industrial environments, and resists mechanical damage.
✅ Reinforced valves and seals – Ensure high compression efficiency and minimize oil leakage into compressed air.
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Technical Parameters Walter WK550-PLATE (400V) |
|
|---|---|
| Suction power | 550 l/min |
| Effective Discharge | 440 l/min |
| Maximum working pressure | 10 bars |
| Unit speed | 1,202 rpm |
| Motor power | 3.0 kW |
| Power supply voltage | 400 V / 50 Hz |
| Number of cylinders | 3W (cast iron) |
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Ideal application of the WK550-PLATE model
Thanks to its robustness and three-cylinder design, this unit is predestined for stable air supply:
- 🔹 Industrial Production – Ideal as a booster unit or part of central air distribution.
- 🔹 Larger Car and Tire Service Centers – Powering demanding pneumatic tools, tire changers, and lifts.
- 🔹 Building Own Compressor Stations – A perfect base for mounting on large stationary air receivers (270l and more).
- 🔹 Modernizing Operations – Direct replacement for older and less efficient two-cylinder blocks.

Additional parameters
| Category: | Compressors for all applications - hobby and industrial |
|---|---|
| Warranty: | 3 years |
| Compressor type: | Piston compressor |
| Pressure: | 10 bars |
| Suction power: | 550 l/min |
| Displacement: | 440 l/min |
| Pressure vessel volume: | It isn't |
| 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: | 720 x 420 x 430 mm |
| Weight: | 54 kg |
| Engine: | Electric |
| Soundproofed: | No |
| Drive: | V-belts |
| Air dryer: | No |
| Retrieved from: | Professional |
| Development: | Stationary |
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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.

