Pressed Steel Tank Co., Inc.; PST; compressed natural gas; alternate fuels;natural gas vehicle; SCUBA; accumulators; acetylene; aviation cylinders; seamless shells; presses; industrial gas cylinders; oxygen; carbon dioxide; nitrogen; CO2; chlorine; refrigerant; ammonia; air; hydrogen; helium; argon; cng; afv; ngv; asme; NGV2; B51; DOT; FMVSS 304; DOT 3A; DOT 3AA; DOT 3HT; DOT 3AA 1800; DOT 3AA 2015; DOT 3AA 2265; DOT 3AA 2400; DOT 3A 480; DOT 4AA 480; DOT BA 300


	Chlorine Cylinders: Our seamless lightweight cylinders are the accepted standard container for handling liquid chlorine. The low pressure cylinders meet DOT 3A480 specifications and are designed for easy handling. Ammonia Cylinders: PST's two-piece anhydrous ammonia cylinders are fabricated from high-strength alloy steel to comply with DOT 4AA480 specifications. The single circumferential seam has an integral backup strip formed by offsetting one shell to slip inside another.