What is sigma profil?

Sigma profile, also known as Sigma profil® or Sigma-S or Z-Sigma profile, is a type of screw profile used in the design of rotary screw compressors. A screw compressor is a positive displacement compressor that compresses air by trapping it between two rotating helical rotors. Sigma profile is one of the most advanced screw profiles, featuring a unique shape that optimizes efficiency and performance.

The Sigma profile was developed by the German manufacturer, Kaeser Compressors, in the 1970s. It was originally called the Z-Sigma profile due to its distinctive shape of two interlocking "Z" patterns. The Sigma profile has evolved over time and is now available in several different variations.

One of the key benefits of the Sigma profile is its high efficiency. Its unique shape and design reduce internal leakage and pressure losses, resulting in lower energy consumption and operating costs. The Sigma profile also delivers smooth and quiet operation, making it suitable for applications where noise levels are a concern.

In addition to its use in rotary screw compressors, the Sigma profile is also used in other types of machinery, such as vacuum pumps and blower systems.

Overall, the Sigma profile is a highly innovative and efficient technology that has revolutionized the field of rotary screw compressors. Its popularity continues to grow as more companies adopt this technology to improve their energy efficiency and reduce their carbon footprint.