Cast iron piston compressor VWK900-7-5/500P Input power 5.5 kW, suction capacity 880 l/min, pressure 10 bar, air receiver 270 l, voltage 400/50 V/Hz
Code: VWK900-7-5/500PRelated products
Product detailed description
Walter VWK900-7.5/500P Vertical Piston Compressor is an uncompromising industrial station designed for operations with extreme air consumption that also struggle with space limitations. Thanks to the unique combination of a huge 500-liter vertical air receiver and a powerful three-cylinder cast-iron unit, you get a maximum supply of compressed air in a minimal floor space.
Maximum capacity in a space-saving package
The VWK900 model uses 3W three-cylinder technology, which is synonymous with smooth operation and high volumetric efficiency, which is crucial for the stability of production processes with a displacement of 740 l/min.
1️⃣ Three-cylinder cast-iron power (GK series)
✅ 3W unit with low speed (902 rpm) – The Low RPM slow-speed concept radically reduces unit heating and piston ring wear, ensuring a lifespan measured in decades.
✅ Cast-iron cylinder construction – Massive cast iron effectively dissipates heat generated during compression and guarantees mechanical stability even under continuous load.
2️⃣ Innovation for Industrial Reliability
✅ New suction filters with steel mesh – The metal insert and robust steel filter cover protect the unit from dirt intake, even in demanding environments like sandblasting and painting shops.
✅ Reinforced valve system – Modernized valves and seals are designed for high flow and pressure of 10 bar, minimizing losses and increasing overall efficiency.
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Technical parameters Walter VWK900-7.5/500P (400V) |
|
|---|---|
| Suction power | 900 l/min |
| Effective Discharge | 740 l/min |
| Maximum working pressure | 10 bars |
| Air tank volume | 500 l (vertical) |
| Motor power | 5.5 kW |
| Power supply voltage | 400 V / 50 Hz |
| Unit speed | 902 rpm |
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Ideal application and benefits of the VWK900 model
The combination of 5.5 kW power and a 500l tank predestines this compressor for the toughest applications:
- 🔹 Industrial production lines – Central air source capable of covering high intermittent demands thanks to its large accumulation space.
- 🔹 Sandblasting and blasting – The 500-liter air supply ensures constant pressure for blasting boxes even during longer cycles.
- 🔹 Large paint shops – Stable air supply for several spray guns simultaneously without parameter fluctuations.
- 🔹 Mechanical engineering and assembly plants – Vertical installation frees up handling space for machinery and personnel.

Additional parameters
| Category: | Compressors for all applications - hobby and industrial |
|---|---|
| Warranty: | 3 years |
| EAN: | 5905122000196 |
| Compressor type: | Piston compressor |
| Pressure: | 10 bars |
| Suction power: | 900 l/min |
| Displacement: | 740 l/min |
| Pressure vessel volume: | 270 L |
| Design of pressure vessel: | Standing |
| Connecting: | Quick coupling DN7.2, Ball valve 1/2" |
| Motor power: | 5.5 kW |
| Mains voltage: | 400/50 V/Hz |
| Speeds: | 902 rpm |
| Number of cylinders: | 3 |
| Number of grades: | 1 – single-stage compressor |
| Lubrication: | Oleic |
| Noise: | 80dB(A) |
| Dimensions: | 650 x 700 x 1800 mm |
| Weight: | 195 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.

