Used Screw Compressors for Sale — 464

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    Screw compressors are meant for industrial use when large scale of compressed air is needed

     

    Rotary Screw Air Compressor

    The rotary screw compressor is intended for larger scale use where large volumes of air are needed, such as in the powering of high energy tools, like jackhammers, or simply in large industrial applications using a lot of equipment. Unlike piston compressors, there is no "pulsation" with an air screw compressor, providing a continuous flow.

    Working of a Screw Air Compressor

    Screw air compressor generally use two helical screws, or rotors, to compress the air. This can be achieved in two ways. An oil free screw compressor uses timing gears to ensure the screws are precisely aligned. On the other hand, an oil injected screw compressor uses the screw compressor oil to fill the spaces between the screws, providing a hydraulic seal as well as lubrication. Typically, a dry screw compressor will have a lower maximum pressure rating than an oil screw compressor. The compressed gas is then forced in one direction where, in the case of an oil injected screw compressor, it is separated from the screw compressor oil.

    Single Screw Compressor

    Cooling and refrigerating is one of the uses of rotary screw compressors

    The rotary screw air compressor is not limited to a two screw design. The single screw compressor, using a solitary screw and two gaterotors to achieve the necessary compression, has the advantage of being able to be fit into a smaller form factor. This form of rotary screw compressor is largely used in cooling and refrigeration.

    Used Rotary Screw Compressor Option

    Like a lot of used industrial machinery, you will find many used air compressors for sale on the second hand market. These machines are fairly hardy but is important to make sure your future  used screw compressor has been properly cared for. If they are oil injected, have they been serviced with periodical changes of the rotary screw compressor oil? Generally speaking, though, srotary screw air compressor's are hard to mistreat, and any working screw compressor is likely to be a good compressor. Finding a screw compressor for sale is not difficult in today's world of online markets and auction sites, and there are often great deals to be had in finding a used rotary screw air compressor for sale over just going straight to the manufacturer for a new one. If you're looking for a used screw compressor, you are not limited to classified sites like Craigslist. Look for places that sell screw compressor parts as they will likely sell complete units as well, used or refurbished, at considerably lower prices than new models, but every bit as operationally sound.

    Screw Compressor Manufacturers

    Though there are many construction equipment manufacturers of this kind of compressors for sale, all of which provide quality equipment to your desired use case. Some of these manufacturers are PW ENGINEERING, LEA MANUFACTURING and COMPAIR.