Guide to screw compressors

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Guide to screw compressors

Total solutions Mark

Selecting the suitable rotary screw compressor can feel like a complicated task. Still, with Mark Compressor’s range of screw compressors, you can be confident that you can find the best solution for your needs. With years of experience in the manufacturing of screw type air compressors, Mark is the brand you can turn to get the help you need with your compressed air. Regardless if you need to run air tools, a car workshop or a major factory, we have the right solution to fit the needs.

The Mark compressor was born in Italy, and its birth country remains critical to our brand today, with significant production and development still present there.

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Explore the range

When you start to explore your options, you realize that there are many things to consider when selecting a rotary screw compressor for your business. You want to consider how much compressed air you need now and what you might need in the future. Naturally, you can contact your Mark Compressor representative to get help establishing what compressor is required to meet your operational requirements. 

It is with all these operational needs in mind that we have developed our product portfolio. Our range includes screw compressors with integrated air dryers and air filters, tank munted (with included air tank), to floor mounted units. The technologies we offer are belt driven, gear driven and energy-efficient variable speed compressors. These different technologies will help you meet your objective, be it purchase price or total cost of ownership. 

Our goal is to provide you with a reliable rotary air compressor that you can depend on, which will help you get the job done. Therefore, our efforts to make the most reliable and dependable compressed air equipment never stop; we have screw compressors with simple controllers to compressors with advanced controllers and connectivity. 

However, we ensure that using our screw air compressor should never be difficult; many of them are simple plug and play. We add other features: tank-mounted and full-featured units with integrated air filters, dryer and thermostatic valve. We also offer accessories like oil-water separators that ensure that your compressed air and oil are separated and compliant with your local regulations; explore our condensate management products here.

What is a screw-type compressor?

For a small business, such as car-garages, smaller factories, etc., a twin-screw compressor is the natural next choice when a piston compressor can no longer meet your operations’ requirement for compressed air. A rotary screw compressor typically runs quieter than a piston compressor. 

A screw compressor has a higher duty cycle which allows continuous running, compared to a piston compressor that typically needs to break in the running not to fail. So when it comes to selecting a compressor for a start-up, a growing business or a large manufacturing plant, a Mark screw compressor will meet your needs.


Working principle of a screw compressor

How does a screw air compressor work? Simplistically a screw compressor has a male rotor and a female rotor that rotate in the opposite direction. As they rotate, the space between the rotors decreases and forces the air to compress.

Different types of screw air compressors

Belt-drive: where there is a belt that connects the motor with the compression unit.
Gear-drive: the connection between the compression unit and the motor uses gears; this is more efficient than the belt-driven.
Variable speed drive: is the most efficient type of compressor. The motor and the compression element are synchronized to produce compressed air as close as possible to the application's actual demand.

Features of rotary screw compressors

You need a compressor with a high volume capacity

air compressor

For settings like garages, DIY or smaller workshops, piston compressors are an ideal solution. They are cost effective and easy to move around. However, when your industry demands a high volume capacity compressor, rotary screw compressors are definitely the better choice. That’s why they are most commonly used in the bigger industries, like automated manufacturing.

You need a continuous airflow

air compressor

In many industries, like for instance the automotive industry or food processing industry, there is a need for a compressor that can deliver a continuous airflow. Piston compressors heat up due to their internal combustion: they need a cool-down period from time to time. That way they are not able to produce a constant airflow.

Rotary screw compressors have a very low internal temperature. Therefore they can supply a constant airflow. No heating issues, no breaks. Definitely an advantage when you are using your compressor constantly. 

You want an energy-efficient solution

air compressor

Since rotary screw compressors generate less heat, they are generally energy-efficient, more so than piston compressors (everything is relative, explore our full range of screw compressors here).

It all depends on your demands of course: a piston compressor might still be the right choice if you don’t need a constant airflow or a high volume capacity. In that case choosing a piston compressor might be more cost-efficient and energy-efficient.

Still trying to decide on the right solution for your situation? Let us know, we’ll give you the right advice. 

You want a compressor with a long lifespan

air compressor

Rotary screw compressors are less likely to break down due to mechanical failure, since its components are different from a piston compressor. They do not operate through a valve system, nor are they likely to overheat.

Rotary screw compressors are in fact built to last - definitely in combination with the right maintenance. They will serve you for many years, while having little or no capacity reduction. Considering the fact that they can operate 24/7 on full power, this is quite a feat. 

You want a compressor that produces less noise

air compressor

Rotary screw compressors are, in contrast to piston compressors, relatively silent. The rotors that compress the air are not in contact with each other, thus producing little noise. In some settings this might definitely be considered an advantage. When a constant airflow is needed it might be very important that the compressor operates quietly: that way your employees don’t have to work in a loud environment.

Piston compressors produce more noise, but that might not be a problem when they are not operated constantly. Everything depends on the actual conditions and demands of your industry. 

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Let us help you select the right screw compressor for you

Our website may help you chose the best screw compressor to fit your needs. However, you might have questions about your complete installation or specific question about one of our models of screw air compressors. Feel free to contact us or request a quote. You can find your nearest office contact details in our contact section.


You can browse the selection of screw compressors here on the website and explore our other products such as compressed air dryers, filtration, and condensate management products like oil-water separators.

Read more about air compressors in related articles

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