... major type of hydrogen, propylene, ethylene compressorSuitable for Oxygen, Nitrogen, Hydrogen, Carbon Dioxide, Ammonia, ... machinery, chemical industry, metallurgy, transportation and air separation, instrument control, medicine etc.Parameters of natural ... 26structure typeDcompressed mediumPetroleum gascooling stylewater coolinglube style for cylinderoilNo. of row2No. of compressing stages1223capacity ...