Cast iron WK650 aggregate on base frame power consumption 4 kW, suction capacity 650 l/min, pressure 10 bar, without air receiver, voltage 400/50 V/Hz
Code: WK650-PLATERelated products
Product detailed description
Cast iron compressor unit Walter WK650-PLATE (on a base frame) represents a robust industrial solution for operations requiring stable and high volume of compressed air. Thanks to the two-cylinder cast iron block and slow-running design, this unit is predestined for demanding applications where emphasis is placed on minimal maintenance and maximum operational reliability.
Industrial standard with Low RPM technology
The WK650-PLATE model utilizes the advantages of a large-volume unit, achieving a high output of 550 l/min while maintaining very low speeds, which fundamentally reduces thermal stress on components.
1️⃣ GK Series Construction Durability
✅ Cast Iron 2V Unit – Massive cast iron cylinders ensure top-class thermal inertia and resistance to mechanical wear, even during long operating cycles.
✅ Extremely Low RPM (993 rpm) – Operation below 1000 RPM means a radical extension of the lifespan of bearings, piston rings, and valve plates.
2️⃣ Modernized Filtration and Sealing
✅ 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 – Innovative components ensure high compression efficiency and minimize oil penetration into the compressed air.
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Technical Parameters Walter WK650-PLATE (400V) |
|
|---|---|
| Suction power | 650 l/min |
| Effective Discharge | 550 l/min |
| Maximum working pressure | 10 bars |
| Unit speed | 993 rpm |
| Motor power | 4.0 kW |
| Power supply voltage | 400 V / 50 Hz |
| Number of cylinders | 2V (cast iron) |
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Ideal application of the WK650-PLATE model
Given its 4.0 kW power and frame mounting, this unit is suitable for:
- 🔹 Industrial production – Ideal as a central air source for smaller lines or as a replacement unit for stationary stations.
- 🔹 Painting shops and carpentry – Stable air supply for spray technology and pneumatic grinders.
- 🔹 Car and tire services – Trouble-free power for demanding impact wrenches and tire changers for trucks.
- 🔹 Modernization systems – Perfect for installation on existing air receivers with a volume of 270 to 500 liters.

Additional parameters
| Category: | Compressors for all applications - hobby and industrial |
|---|---|
| Warranty: | 3 years |
| Compressor type: | Piston compressor |
| Pressure: | 10 bars |
| Suction power: | 650 l/min |
| Displacement: | 550 l/min |
| Pressure vessel volume: | It isn't |
| Motor power: | 4.0 kW |
| Mains voltage: | 400/50 V/Hz |
| Speeds: | 993 rpm |
| Number of cylinders: | 2 |
| Number of grades: | 1 – single-stage compressor |
| Lubrication: | Oleic |
| Noise: | 80dB(A) |
| Dimensions: | 800 x 450 x 450 mm |
| Weight: | 71 kg |
| Engine: | Electric |
| Soundproofed: | No |
| Drive: | V-belts |
| Air dryer: | No |
| Retrieved from: | Professional |
| Development: | Stationary |
Demonstrace výkonu litinového pístového kompresoru GK630-40-270 💼🌪️
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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.

