... , Mixed Gases, Blast Furnace, Sinter Plant, Coke Oven Gas, Sulpher Dioxide, Sulpher Trioxide and Natural Gas.Application in Iron & Steel, Oil Refinery, Petro ... 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-9.55/5 ...