The basic principle is the same (the rotors ‘push’ the air to one side), but they are quite different machine. The rotary screw compressor is available in an oil-injected and oil-free versions. When you need a lot of air in your workshop or factory, this type of compressor is usually the best choice! Oil-free or lubricated Plus, the capacity (liters of air per second) of screw compressors is generally much bigger compared to piston-type compressors. Screw vs pistonĬompared to piston-type reciprocating compressors, the screw compressor is much more expensive.īut screw compressors can run 24/7 and 365 days a year without any problems. Here’s more information about screw compressor elements.
Since the rotors are continuously turning, the air gets pushed to the other end of the rotors (the ‘pressure side’) and new fresh air gets sucked in.īecause this is a continuous process, this kind of compressor doesn’t make a lot of noise it runs quiet and smooth/ When the rotors start turning, air will get sucked in on one side and gets ‘trapped’ between the rotors. The rotors are of different shape, but fit each other perfectly. There’s a ‘female’ rotor and a ‘male’ rotor. The rotary screw compressor uses two rotors (helical screws) to compress the air.
On this page I will tell you about the pros and cons of the rotary screw compressor.
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