CompressorworkswithandpistonCompressor ChangzhouBaocompressoris the mainCompressor, Compressorand compressorproducts,professionalbusiness,soworksas well aspistonCompressorwithcertaininsights andunderstanding.Inthe cylinder forreciprocatingmovementof thepistonmoves to the right,the leftchamberofthe pistonwithin the cylinderpressure is belowatmospheric pressurepa,the suction valveopen,the outsideairsuctioncylinder, a processknown ascompression.