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What is welding water?

The exact term is water welding.

Water welding is to use water under the action of alkaline catalyst (such as sodium hydroxide or potassium hydroxide) to apply direct current to both ends of the electrolyzer, and water will undergo electrochemical reaction to generate hydrogen and oxygen. Hydrogen is used as fuel and oxygen is used as fuel, and then it is ignited by safety valve and flame arrester to form hydrogen-oxygen flame and weld workpiece.

It is mainly composed of electrolytic cell, electrolytic power supply, safety valve and flame arrester, flame regulating tank and oxyhydrogen flame gun.