Cast iron piston compressor WK550-4-0/100P Input power 3 kW, suction capacity 550 l/min, pressure 10 bar, air receiver 100 l, voltage 400/50 V/Hz
Code: WK550-4-0/100PRelated products
Product detailed description
The Walter WK550-4.0/100P cast iron piston compressor is a high-performance professional solution designed for operations requiring a significant volume of compressed air and maximum mechanical resistance. Thanks to the combination of a three-cylinder cast iron unit (3W) and a 100-liter air receiver, this machine offers top-notch parameter stability, low operating temperatures, and a long service life even in demanding industrial conditions.
Three-cylinder power with cast iron durability
The WK550 model utilizes a unique three-cylinder arrangement, ensuring smoother operation and more efficient cooling than standard two-cylinder models, which is crucial for the continuous operation of your production at a suction capacity of 550 l/min.
1️⃣ Top-Tier GK Series Construction
✅ 3W Cast Iron Unit – The three-cylinder concept ensures excellent thermal stability and high performance while maintaining compact dimensions for the entire machine.
✅ Low Speed (1,202 rpm) – Low RPM technology significantly reduces noise and mechanical wear, radically extending service intervals.
2️⃣ Innovation for clean air and protection
✅ New Suction Filters with Steel Mesh – The metal filter insert with a protective mesh guarantees top-tier air purity for the unit. The steel cover additionally protects the filter from mechanical damage in a workshop environment.
✅ Reinforced piston group – More precise manufacturing and modernized seals reduce oil ingress into the air and increase overall compression efficiency.
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Technical Parameters Walter WK550-4.0/100P (400 V) |
|
|---|---|
| Suction power | 550 l/min |
| Effective Discharge | 440 l/min |
| Maximum working pressure | 10 bars |
| Air tank volume | 100 liters |
| 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 its three-cylinder design and 100-liter air receiver, this compressor is ideal for:
- 🔹 Larger Car and Tire Service Centers – Powering impact wrenches, tire changers, and tire inflation without frequent motor cycling.
- 🔹 Carpentry and Metalworking – A stable air source for blow-offs, stapling, and more demanding spraying applications.
- 🔹 Assembly lines and workshops – Stable air supply for pneumatic presses and automation elements at multiple workstations simultaneously.
- 🔹 Painting and sandblasting – The 100-liter tank serves as a quality accumulator for balancing peak air demands.

Additional parameters
| Category: | Compressors for all applications - hobby and industrial |
|---|---|
| Warranty: | 3 years |
| EAN: | 5905122000103 |
| Compressor type: | Piston compressor |
| Pressure: | 10 bars |
| Suction power: | 550 l/min |
| Displacement: | 440 l/min |
| Pressure vessel volume: | 100 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: | 1460 x 640 x 1150 mm |
| Weight: | 115 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 |
| In stock: | External warehouse |
Demonstrace výkonu litinového pístového kompresoru GK530-30-200 🌟🔩
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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.

