pressure vessel air storage tank 1 Materials:carbon steel,16MnR 2 Volum:50000L 3 working pressure :0.3Mpa 0.6Mpa 0.8 Mpa 1.0Mpa 1.3Mpa 1.6Mpa,2.0Mpa ,up to 100Mpa 4 Vertical Type 5Each tank with a <Product Qualification certificate> by the National Quality Engineering Supervision Bureau.6Equipped with safety valve, pressure gaugeyou can see the output pressure immediately,Draining Valves We belive in great service everytime all the time