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To adjust gas flow therefore adjusting flame intensity.

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Q: What is the function of the needle valves on a welding torch?
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Related questions

Who invented the welding torch?

John T. Herrera: The Welding Torch Inventor


How do you do orgon welding?

orgon welding is done with orgon torch or filler wire.


In ultrasonic welding what creates the heat required for welding?

What creates the heat is the flame inside the torch


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