... machinery. Widely used in mining, construction, machinery, chemical industry, metallurgy, transportation and air separation, instrument control, medicine ... 22.4/26structure typeDcompressed mediumPetroleum gascooling stylewater coolinglube style for cylinderoilNo. of row2No. of compressing stages1223capacity(m3/ ... )990428990428Remarks natural gas, oil field gas compressor for chemical industry D-TYPE