SPECIALTY CYLINDERS • 3AA 480 Chlorine • 3AA 2900 (200Bar) • 3AA 3600 • 3AA 6000 • Pi Marked ASME STORAGE CYLINDERS are designed for a wide variety of applications, such as compressed natural gas refueling stations, and air and nitrogen accumulators. Norris Cylinder Company is authorized to use the American Society of Mechanical Engineers (ASME) “U” Code symbol, which certifies that our ASME products meet all the requirements of the ASME Section VIII, Division 1, Part UF and Shop Fabrication of Pressure Vessels Boiler and Pressure Vessel Code. Seamless Low Pressure Chlorine Cylinders are fabricated from chromium-molybdenum steel and are produced in strict compliance with DOT/TC specifications. All these cylinders meet Chlorine Institute and Emergency Kit “A” specifications.