Le nostre soluzioni
Utensili e Soluzioni Industriali
Soluzioni
Industrie nostre clienti
Utensili e Soluzioni Industriali
Prodotti
Utensili e Soluzioni Industriali
Soluzioni di perforazione
Prodotti per l'Energia
Soluzioni
Prodotti
Prodotti per l'Energia
Sistemi di accumulo di energia
Specialty Rental
Soluzioni
Compressori
Soluzioni
Prodotti
Compressori
Prodotti e soluzioni
Soluzioni
Trapani
Prodotti e soluzioni
Sistemi di accumulo di energia

Rotary compressor – versatile and popular

A rotary compressor is the perfect choice for applications that require a constant air supply. Here’s how they operate and how you can put them to work for you.

Contact us to learn more

10 dicembre 2020

Rotary compressor – versatile and popular

Estimated reading time: 5 minutes

Oil-injected screw compressor element
A rotary compressor is often the right choice for applications that require a constant supply of compressed air. They combine a range of useful features that has made them very popular and successful. Most importantly, rotary screw compressors are very energy efficient, which makes a big difference considering that the bulk of the total cost of ownership of air compressors consists of electricity costs. In addition, a rotary compressor is typically low maintenance and feature low pressure pulsations. The versatility also plays a major role in the success of this type of compressors. There is hardly an industry in which you cannot find a use for a rotary screw compressor.

An ingenious technology

Their ingenious technology is one of their outstanding features: Rotary compressors compress gas by using two meshing helical screws, which are also known as rotors. Timing gears ensure that the male and female rotors maintain a precise alignment in the case of a dry-running rotary screw compressor. In the case of an oil-lubricated rotary screw compressor, lubricating oil bridges the space between the driving and the driven rotors. This provides a hydraulic seal and also transfers mechanical energy between the two rotors. A rotary screw compressor is a great alternative to a piston compressor, and they are built specifically for long lifetimes of reliable use and for operations that require up to a 100% continuous duty cycle.

Wide range of rotary compressors offers something for everybody

GA 90-160 oil-injected screw compressor
They come in various sizes and versions that match your budget. Or, to put it another way, there is a rotary screw compressor out there that meets your needs. There are three different types of rotary compressors – belt-driven, gear-driven and direct drive compressors. A belt-driven rotary compressor, e.g. Atlas Copco’s G 15-22, is robust, easy to install and maintain, and has the lowest initial investment cost. Gear-driven rotary compressors, for example the GA 15-26 from Atlas Copco, are quieter and more energy efficient. Finally, there are the innovative direct drive rotary compressors, led by Atlas Copco’s ground-breaking GA 11+-30. They deliver unmatched efficiency and performance – as well as high quality dry air. In addition, they feature the lowest noise emissions among the three rotary screw compressor types. Optionally, you can integrate a dryer into the package, which is ideal for any application that requires clean and dry air. In addition, smaller units can be tank-mounted. This provides additional storage capacity that, coupled with the integrated dryer, allows for plug-and-play installation.

Mix and match to meet your needs

You can choose from a basic design, which is usually available in the lower kW/HP ranges, all the way to a variable speed drive (VSD) compressor, which has a higher investment cost but typically makes up for it with double digit energy savings. Because a VSD compressor adjust its speed to the compressed air flow, they don’t waste electricity. That means that VSD technology is particularly useful if your operation has a fluctuating demand for compressed air, resulting a large energy savings.

Ask an air system professional about the best Rotary Compressor option for your needs.

Related Topics and Project

Compressori d'aria Compressori a vite Compressori e gruppi elettrogeni