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Reciprocating Compressor Knowledge [2012-01-09]

A reciprocating compressor uses pistons to compress air. The Low Noise Compressor has a similar design to an internal combustion engine; it even looks similar. There is a central crankshaft that drives anywhere from two to six pistons inside cylinders. The crankshaft is generally driven by an external motor. This motor can be electric or internal combustion. However, it determines the total horsepower of the compressor.
The piston is one of the most important components of a reciprocating air compressor. The piston is what actually compresses the air contained within the piston. Most often, a reciprocating compressor will have pistons made out of aluminum alloy. However, if the model of reciprocating Hermetic Compressor uses non-lubricated pistons, they will most commonly be made out of cast iron.
Advantages and Disadvantages
Reciprocating compressors are marginally more efficient than rotary compressors, generally being able to compress the same amount of gas with between 5 and 10 percent less energy input. However, since this difference is so marginal, most small-to-medium level users are best off using a rotary compressor. Reciprocating compressors are more expensive and require more maintenance, so it is often not worth the extra cost and headache for such a small difference in efficiency.
The article comes from Reciprocating Compressor Manufacturer.