... Tank Group,certificate:CE,ISO9001:2008 2000M3 Oxygen Spherical Tank GroupSpecification:Material of Spherical shell plates16MnR, 16MnDR ... 12580mmMedium Ethylene, Propylene, Oxygen, Nitrogen, Ammonia, Vinyl Chloride, natural gas, argon, Hydrogen, Liquefied Gas, LPG, LNG, Coal Gas, Water Gas, Compressed Air, Vacuum, ... Cubage DimensionFrom 50m³ to 10000m³ 50m³--- 10000m³ 2000M3 Oxygen Spherical Tank Group