... for Oxygen, Nitrogen, Hydrogen, Carbon Dioxide, Ammonia, Synthetic Gas, Rich Gas, Hydrocarbons, Mixed Gases, Blast Furnace, Sinter Plant, Coke ... Oven Gas, Sulpher Dioxide, Sulpher Trioxide and Natural Gas.Application in Iron & Steel, Oil Refinery ... , instrument control, medicine etc.Parameters of natural gas, oil field gas compressor (table 5)parameterD-16.8/4-22D ...