Used Kaeser SK 21 Compressor - An Unmissable Opportunity
If you're looking for an efficient and reliable compressor, the used Kaeser SK 21 is a great value option. This model is known for its high performance and the robustness typical of Kaeser products, leader in the screw compressor sector. With a motor rating of 15 HP and a compact design, this compressor is ideal for many industrial applications.
Main technical characteristics
- Engine : Power of 15 HP (approximately 11 kW).
- Volumetric flow rate : Variable based on pressure, up to 2.5 m³/min (depending on configuration).
- Operating pressure : Configurable between 7.5 and 13 bar, with a maximum pressure of 15 bar.
- Dimensions : Approx. 750 x 895 x 1,260 mm (L x W x H).
- Weight : Around 250 kg.
- Sound level : Approximately 67 dB(A), ensuring silent operation.
- Working hours : 10,000 hours, an optimal value for a compressor of this range, still capable of offering excellent performance.
Main components and design
The Kaeser SK 21 compressor stands out for:
- High quality airend , designed to maximize energy efficiency and reduce power losses.
- Belt drive system that ensures constant and reliable power transfer.
- Electronic control panel for precise monitoring of operations.
- Optional integrated dryer , which contributes to the production of clean, condensation-free compressed air.
Usage procedure
Using the compressor is simple:
- Connect the machine to the electricity supply (230/400 V, 50 Hz).
- Set the desired pressure via the control panel.
- Turn on the unit and let the system automatically monitor flow rate and pressure.
This compressor is perfect for powering pneumatic tools, painting systems or industrial machinery.
Maintenance and safety
- Regular maintenance : Periodic replacement of oil and filters to maintain high performance.
- CE regulations : Complies with European safety standards, ensuring the protection of operators.
- Regulatory Updates : If necessary, the unit can be retrofitted to meet additional local regulations.
How to evaluate a good used one
A compressor with 10,000 working hours, like this Kaeser SK 21, is considered to be in excellent condition, as the average lifespan of Kaeser compressors far exceeds 30,000 hours with appropriate maintenance. Always check:
- State of the screw and the motor unit.
- Regularity of previous checks.
- Level of wear of belts and filters.
Why buy used?
The used Kaeser SK 21 compressor offers excellent value for money. You will save on initial costs without sacrificing quality, while benefiting from a robust, high-performance machine, ideal for long-lasting industrial applications.
