This gas valve unit from Rx Weld is perfect for regulating air flow for both hydrogen and helium gases. With a gauge that measures up to 3000 PSI, this valve is compatible with CGA580 tanks and is a must-have for any welding or soldering equipment setup. Made with high-quality materials, this gas valve is built to last and provide reliable performance for your welding needs. Whether you're a professional welder or just starting out, this gas valve is sure to enhance your workflow and make your work easier and more efficient.