... mining, construction, machinery, chemical industry, metallurgy, transportation and air separation, instrument control, medicine etc.Parameters of natural gas, oil field gas compressor ... (table 3)parameter2D8-31/1.5-102D8-17/1.4-12.5D-14.6/2-15D ... 3806000380380motor speed (r/min)4281000428375Remarks natural gas, oil field gas compressor for chemical industry 2D-TYPE