Aluminum Cylinder: Standard: BS/84/526/ECC Capacity: 1L--100liters Pressure: 1bar--500bar Certificate: T PED, TUV,DOT The Seamless Aluminum Alloy Gas Cylinder was applied in the industry of chemical, electronic, medical,food and beveragem,etcThe Seamless Aluminum Alloy Gas Cylinder is made of superior quality aluminum alloy 6061 and manufactured through the procedures of punching, drawing, heat ...