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How to Select the Right Air Compressor

In different sectors one of the most used equipment is the air compressors as they are used in automation and assembly, agriculture, construction and the chemical manufacturing industries. The task of the air compressors is to convert the power from an electric motor or a diesel engine into stored energy form which is later released in the form of pressurized air. Pressurized air from the compressor is used to power other machinery and equipment. It is important that one pays attention when they are selecting a compressor, as any mistake will lead to financial losses to the company. The compressors that are available in the market vary in terms of their operation methods, level of pressure that they are capable of delivering and their air capacity. When one is purchasing an air compressor, they also need to determine the cost of a given air compressor, the durability and also the ability of the compressor to balance the capacity of the air they hold and the pressure levels of the air that they release.

Three main types of compressors, based on the operation methods, are available in the market. One kind of the compressors is the reciprocating compressors which work as positive displacement compressors. They function by reducing the volume of the air thus increasing the pressure as they have pumps driven using pistons which are attached to the cylinders that compress and displace the air. One also, chooses between the direct drive and the belt drive kinds of reciprocating air compressors but it is advisable to purchase the belt drive compressors as they are durable and also effective. The reciprocating compressors are portable and thus suits traders in construction while they are also efficient.

The second kind of air compressors, which also function as positive displacement compressors, are the rotary screw air compressors. In their operation, the rotary screw compressors are smoother in comparison with the reciprocating compressors, as they use helical screws and not pistons and thus have less surges and vibration. They are also durable and also easy to maintain while their capacity is also larger than that of the reciprocating compressors. Some have variable speeds meaning that one controls the airflow and they are used in construction sites, factories and hospitals.

The last kind of the compressors is the centrifugal compressors which rely on the momentum gained through rotating a disk to pressurize and transfer air. One can also control the pressure of the air as they have inlet guide vanes. Some of the applications of the centrifugal compressors include in automotive, air conditioners and refrigerators.

Short Course on Compressors – What You Should Know

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