Welders and metalworkers, this heavy-duty oxygen regulator is built for serious shop use. It's designed to handle high-pressure oxygen tanks with a CGA 540 inlet connection, which is the standard for large industrial oxygen cylinders. The regulator body is forged from solid brass for strength and durability, with a chrome-plated finish to resist corrosion. It features two easy-to-read gauges: one shows the high tank pressure (from 0 up to 4000 PSI), and the other shows the adjustable output pressure (from 0 up to 200 PSI). A large T-handle makes it simple to adjust the output flow precisely by hand. This type of regulator is essential for oxy-fuel cutting and welding setups, providing a steady, controlled flow of oxygen to your torch. It's a crucial piece of safety equipment, so having a reliable, well-made regulator like this is non-negotiable. Always ensure you have the proper training and follow all safety protocols when working with high-pressure gases.