KAESER SK19 screw compressor (used)

General description
The KAESER SK19 is a silenced screw compressor, designed for industrial environments where a continuous and stable supply of compressed air is required. This model is renowned for its energy efficiency and reliability, qualities that make it ideal for those looking for a used machine with excellent performance at a competitive price.

Main components

• Engine : 11 kW of power
• Screw compressor unit : Screw technology with oil injection, ensures constant operation and higher efficiency than piston compressors.
• Sigma Control control system : allows automatic management of operations and constant monitoring of performance.
• Dryer (optional) : This is often combined with a refrigeration system to reduce the humidity of the compressed air.

Mechanical characteristics

• Maximum pressure : 10 bar
• Flow rate : 1.59 m³/min
• Rotation speed : approximately 2900 rpm
• Dimensions : Length 770 mm, width 750 mm, height 1000 mm
• Weight : Approximately 270 kg
• Operating temperature: from +3°C to +40°C​(
  Machinio
  )​(
  RMF hardware store
  )

Procedure for use The compressor is started via the Sigma Control control panel, which allows you to adjust the pressure and monitor the status of the machine in real time. Thanks to the silent design, the compressor can also operate near work areas without disturbing the environment.

Maintenance and used inspection To evaluate whether a used KAESER SK19 is still efficient, check the number of hours of use (in many cases, models with less than 20,000 hours are available). The inspection should include checking the condition of the airend, air filters, oil quality and cooling system. Periodic maintenance includes changing the oil and filters, as well as cleaning the heat exchangers. A compressor that has received proper maintenance will have a prolonged useful life.

Formulas for calculating efficiency To optimize performance, it is useful to calculate energy consumption in relation to the compressed air flow rate: Energy efficiency (kW/m³)=Motor power (kW)Air flow rate (m³/min) \text{Energy efficiency (kW/m³)} = \frac{\text{Motor power (kW)}}{\text{Air flow (m³/min)}} $\text{Energy efficiency (kW/m³)}$ $=$ Flow of air (m³/min) Motor power (kW) ​For Efficiency=111.59≈6, 92 kW/m³\text{Efficiency} = \frac{11}{1.59} \approx 6.92 \, \text{kW/m³} $\text{Efficiency}$ $=$ 1 , 59 11 ​≈ $6$ $,$ $92$ $\text{kW/m³}$ This efficiency it is average for screw compressors in this category.

Workable materials and sectors of use This compressor is particularly suitable for industrial applications that require high quality compressed air, such as in the mechanical, food, pharmaceutical and automotive sectors. It can be used to power pneumatic tools, painting processes, and compressed air cooling systems.

Why buy used? Buying a used KAESER SK19 compressor is advantageous for those looking for a high-performance machine at a lower cost than a new one. Thanks to the robustness of the German design and the long lifespan typical of these machines, a well-maintained model can provide years of additional service. Furthermore, the availability of spare parts and technical assistance further simplify long-term maintenance

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