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The Various Types of Air Compressors

Air compressors are essential as their services are applied in many industries such as agriculture, construction, chemical manufacturing and the automation and assembly industries. The air compressors function by converting power from an external source, primary an electric motor and diesel engines where they convert the electric power to the stored energy released in the form of pressurized air. Pressurized air from the compressor is used to power other machinery and equipment. When in the market seeking for an air compressor there is the need to pay attention to select the best compressor as a mistake will lead to financial loss on the part of 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. As much as one pays attention to the ability of the compressor to deliver air at high pressure and also the capacity of the air that they deliver, one also needs to identify the cost of purchasing a particular air compressor and also the durability of the equipment.

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. The reciprocating compressors have pumps which also have pistons and cylinders that are attached which serves to press the air reducing the volume of the air and thus resulting in the high pressures of the air being displaced from the compressor. 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 not only effective but also portable and suits the construction traders.

The second type of compressors is the rotary screw compressors which also function by positive displacement process. The rotary screw compressors are reliant on helical screws rather than the pistons and thus have less surges and vibration in comparison to the reciprocating compressors. In comparison with the reciprocating compressors, the rotary screw compressors are easier to maintain, durable and also have a larger air capacity. 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. For companies in need of compressors that can provide extremely high pressures which is controllable, they can purchase this kind. Some of the applications of the centrifugal compressors include in automotive, air conditioners and refrigerators.

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