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Air compressor pumps perform the action of compressing air and transferring it to an air tank or pneumatic tool. The pump is the central component of an air compressor, and its performance directly impacts the quality and quantity of compressed air. Different types of air compressors use different types of pumps, but all air compressor pumps have one thing in common: they must be able to generate enough pressure to fill the tank or operate the tool. The most common type of air compressor pump is the reciprocating piston pump. This type of pump uses a piston to compress air and transfer it to the tank. The pressure generated by the piston depends on the size of the piston and the amount of air that can be compressed in each stroke. Another common type of air compressor pump is the rotary screw pump. This type of pump uses two interlocking screws to compress air and transfer it to the tank. The pressure generated by the screws depends on the size of the screws and the amount of air that can be compressed in each revolution. The most common type of rotary screw pump is the oil-lubricated pump, which uses oil to lubricate the screws and minimize wear. The screws are also cooled by the oil, which helps to increase the pump’s efficiency. The downside of this type of pump is that it can be quite noisy. The most common type of centrifugal pump is the water-cooled pump, which uses a water jacket to cool the pump and minimize wear.