... ECC Capacity: 1L--100liters Pressure: 1bar--500bar Certificate: T PED, TUV,DOT The Seamless Aluminum Alloy Gas Cylinder was applied in the ... medical,food and beveragem,etcThe Seamless Aluminum Alloy Gas Cylinder is made of superior quality aluminum alloy 6061 and manufactured through the ... refilled various kinds of gas, such as rare gases, high purity gases, standard gases, special gases, with a wide ...