It uses extreme heat to function, and setting it up properly is one of the most important steps in using it safely. Using pressure-reducing regulators, connecting gas supplies, and safely lighting the torch flame are all essential parts of learning how to use an oxy acetylene torch.
To set up an oxy acetylene torch, start by cleaning any dust or dirt from the valve outlet. Next, attach the pressure-reducing regulators that allow you to safely start and operate the torch. You'll also need to connect the gas supplies, like the oxygen and the acetylene hoses, to the torch. Once everything is assembled, test the connections for leaks. If there aren't any leaks, then set the correct operating pressure.
To learn how to get a neutral, blue flame, keep reading! Did this summary help you? Yes No. Log in Social login does not work in incognito and private browsers. Please log in with your username or email to continue. No account yet? Create an account. Edit this Article. We use cookies to make wikiHow great.
By using our site, you agree to our cookie policy. Cookie Settings. Learn why people trust wikiHow. Download Article Explore this Article parts. Tips and Warnings. Related Articles. Article Summary. Part 1. Fasten oxygen and acetylene cylinders in an upright position.
If you have a cylinder cart, place both the oxygen and acetylene cylinders into it. If not, they should be securely fastened with a chain to a workbench, a wall, or a post.
Cylinders should not be able to be knocked or pulled over. Clean the valve outlet of accumulated dust or dirt. This will clear out any dust or dirt that may have settled in the valve. It needs to be cleaned out otherwise the debris might get into other parts of the torch and cause it to malfunction. Connect the oxygen and acetylene regulators to their cylinders.
Tighten the nuts of the regulator connections with a wrench. Use a wrench with a fixed opening rather than an adjustable wrench that is designed specifically for welding tools. You can buy these from a hardware store or a specific apparatus supplier. Rotate the pressure-adjusting screw to the left until it turns freely. Do this for each regulator. The valve in the regulator needs to be closed before cylinder pressure is admitted.
Turning the pressure-adjusting screw counter-clockwise removes the pressure from the spring in the regulator. Open the oxygen and the acetylene valves very slowly. Open the valves slowly to protect yourself and your machine from any potential combustion. Leave the wrench on the acetylene valve while it is open. Think ahead when you are starting a project and bring your tools to your workspace before beginning.
Part 2. Use a hose and hose connections specific to welding and cutting. Oxygen hoses will have a green cover, while acetylene hoses will have a red cover. Never interchange these hoses as they are meant for different substances. Do not use any oil or grease on the hoses.
Attach the oxygen hose to the oxygen regulator and to the torch. The torch should have identifying marks on the body or the handle showing where the hose should be connected. Most torches have 2 oxygen connections because 1 is used for the cutting jet and 1 is used for the preheat flames.
Connect the acetylene hose to the acetylene regulator and to the torch. Whichever connection is not for the oxygen is for the acetylene. Tighten the hose connections with a wrench. Use a non-adjustable wrench to securely fasten both the oxygen and acetylene hoses to the torch. Part 3. Close both torch valves. For the oxygen, turn the pressure-adjusting screw on the regulator until the gauge reads about 25 psi.
For the acetylene, turn the pressure-adjusting screw on the regulator until the gauge reads about 10 psi. Likewise, what is the normal working pressure for acetylene? The working pressure of acetylene equipment is critical: Acetylene pressure must not exceed 0. Copper brazing regulator setting. Acetylene will not explode under low pressure at normal temperatures. However, it becomes unstable and spontaneously combustible when compressed to a pressure over 15 psi.
Beyond Check the manufacturer's instructions, but generally the acetylene should be set to about 10 psi and the oxygen should be set to about 40 psi. What is the ratio of oxygen to acetylene? How do you start an oxy acetylene torch? Separately purge both oxygen and fuel gas lines. Ignite flame with striker. Increase fuel gas flow until flame leaves end of tip and no smoke is present. Decrease until flame goes back to tip. Open oxygen valve and adjust to neutral flame. Depress oxygen lever and make necessary adjustments.
Home Blog How to properly light, adjust and shut down an oxy—acetylene torch. Harris Products Group. Tags cutting safety. Posted in Cutting. Tags specialty gas regulator gas regulation cutting welding tips maintenance gas control flowmeter Did You Know acetylene heating brazing eye protection safety torch cutting tip soldering hoses gas flux phos-copper gas welding braze welding oxygen filler metal single stage regulator valve seat oxyfuel low carbon steel liquidus solidus filler metals oxy-fuel gas pressure CGA gas cutting check valve flashback alloys selection alternate fuel propane natural gas pipeline regulator station regulator flashback arrestor injector torch capillary action AWS lead plumbing lead-free.
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