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Grainger carries high-quality welding regulators to help release welding gas at a constant rate and efficiently control the pressure in the cylinder. Choose cylinders by the type of gas used for specific welding applications. Shop here for medium-duty, heavy-duty, purging, flow gauge regulator types for argon, hydrogen, nitrogen, oxygen and many other gas blends. Make Grainger your central source for welding regulators and all your welding supplies!