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Home  ›  How To Set Up A Oxygen Acetylene Torch

How To Set Up A Oxygen Acetylene Torch

Written By Sunday, June 19, 2022 Add Comment Edit

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An oxy acetylene torch is an affordable and versatile tool used by many people to oestrus, weld, solder, and cut metal. It uses extreme heat to function, and setting information technology upwards properly is one of the nearly important steps in using it safely. Using force per unit area-reducing regulators, connecting gas supplies, and safely lighting the torch flame are all essential parts of learning how to utilize an oxy acetylene torch.

  1. 1

    Fasten oxygen and acetylene cylinders in an upright position. If you take a cylinder cart, place both the oxygen and acetylene cylinders into it. If not, they should be securely fastened with a concatenation to a workbench, a wall, or a mail service. Cylinders should not be able to be knocked or pulled over.[ane]

    • Cylinders should only exist used and stored in the vertical position.

  2. 2

    Make clean the valve outlet of accumulated grit or dirt. Stand so the outlet is facing away from your body and open the valve a 1/4 plow, very chop-chop, and and then close information technology. This volition clear out any grit or dirt that may accept 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.[2]

    • Warning: never clear a fuel gas cylinder virtually other welding work that is in progress or near sparks or flames.

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  3. 3

    Connect the oxygen and acetylene regulators to their cylinders. The regulators let you encounter how much pressure you're using while working and are essential to safely starting and operating an oxy acetylene torch.[3]

    • If the regulator and cylinder have different threads (meaning they don't fit into each other), you will need to utilise an adaptor, which tin can be purchased at any local hardware shop.

  4. iv

    Tighten the basics of the regulator connections with a wrench. Don't assume because yous have turned the nut every bit far as you can with your hand that information technology is tight plenty. Employ a wrench with a fixed opening (rather than an adjustable wrench) that is designed specifically for welding tools. Yous can purchase these from a hardware store or a specific apparatus supplier.[4]

    • If yous ever demand to make an aligning afterwards the cylinder has been opened and used, brand sure to shut the cylinder valve before tightening the nut once more.

  5. 5

    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 level is admitted. Turning the force per unit area-adjusting screw counter-clockwise removes the pressure from the bound in the regulator.[5]

    • When the screw turns freely, yous should exist able to just tap information technology with your finger and come across information technology move, rather than having to utilise pressure.

  6. 6

    Open the oxygen and the acetylene valves very slowly. Make certain y'all can see the cylinder-pressure level gauges, but don't stand directly in front end of the valves. Open up the valves slowly to protect yourself and your machine from whatsoever potential combustion.

    • Open the oxygen valve very slightly at first and pause until the force per unit area estimate hand isn't moving whatsoever more before moving on to open the valve fully.
    • The acetylene valve should never be opened more than i and i/2 turns.[six]

  7. vii

    Go out the wrench on the acetylene valve while it is open. Basically, if you have an emergency you won't take to waste time looking for an appropriate wrench. If information technology'due south on there, y'all'll exist able to close the cylinder valve right away.[7]

    • In general, it's smart to work in an area where you can attain all your tools without having to search for them. Think ahead when yous are starting a projection and bring your tools to your workspace before first.

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  1. 1

    Use a hose and hose connections specific to welding and cutting. Oxygen hoses will have a dark-green cover, while acetylene hoses will accept a red encompass. Never interchange these hoses every bit they are meant for unlike substances. If one of your hoses take broken, replace it—don't employ tape of any sort to endeavor and patch the hole.[8]

    • A hose with a natural prophylactic liner is okay for acetylene service.

  2. 2

    Exercise not use whatever oil or grease on the hoses. All the connections from the gas supplies to the torch are metal-to-metal, and they don't require lubricants or sealants. Similarly, don't use any pipe-fitting tools to connect the hoses to the torch.[9]

    • Don't force connections—if the threads don't run together hands by hand, either the threads are damaged or the parts aren't meant to go together.

  3. 3

    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 exist connected. Well-nigh torches have 2 oxygen connections because 1 is used for the cutting jet and 1 is used for the preheat flames. If there isn't an adaptor on the torch that unites these 2 connections, you will need to use 2 oxygen hoses, two regulators, and two oxygen tanks.[10]

    • About new oxy acetylene torches come up with built in adapters, but double-check with the manufacturer'south instructions to exist rubber.

  4. four

    Connect the acetylene hose to the acetylene regulator and to the torch. Sometimes the torch doesn't specify which connection is for the acetylene, though the oxygen will be clearly marked. Whichever connection is not for the oxygen is for the acetylene.[11]

    • Double check your connections before moving on to brand sure everything is hooked up to the right identify.

  5. five

    Tighten the hose connections with a wrench. Don't trust your hand strength to tighten these connections for you. Use a non-adjustable wrench to securely fasten both the oxygen and acetylene hoses to the torch.[12]

    • Having tight connections is extremely important because they will keep both the oxygen and acetylene from leaking.

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  1. 1

    Shut both torch valves. For the oxygen, turn the force per unit area-adjusting screw on the regulator until the guess reads about 25 psi. For the acetylene, turn the pressure-adjusting screw on the regulator until the gauge reads about ten psi.[xiii]

    • It is very important to test for leaks before starting your project. Leaks can crusade harm to y'all or your surroundings and may lead to spontaneous combustion of the cylinders.

  2. 2

    Apply a leak-test solution with a brush. Apply the solution to the cylinder valves, the cylinder and regulator connections, and all the hose connections. You tin can either buy a solution from the store for this specific purpose, or you can dissolve Ivory soap in water to make a thin paste for the aforementioned results.[14]

    • Whatever work brush y'all have on hand will exercise; merely make sure it hasn't been compromised past oil or gas.

  3. 3

    Cheque the leak-exam solution for bubbles. Bubbling indicate that either oxygen or acetylene is coming through the connectors and the connection needs to be tightened or reattached completely. The bubbling won't be large, like in a pot of boiling water; rather, they volition exist small and volition brand the surface of the testing solution look uneven.[15]

    • Requite the solution one-2 minutes to sit before checking for leaks.

  4. 4

    Release all pressure from any system that has a leak. Reattach or retighten as needed, and apply the leak-test solution a 2nd time to test the torch for leaks over again. Afterward completing the testing, make sure to turn off both the oxygen and acetylene.[16]

    • If later on yous've tested and refastened any leaking areas yous are all the same seeing bubbles, that may indicate you have a leaky hose and need to get a new 1 before moving on with your project.

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  1. 1

    Turn the oxygen regulator pressure level-adjusting screw. Slowly do this until you reach the desired pressure. The pressure level will be indicated on the commitment-pressure level estimate. And then you lot will close the torch oxygen valve. If y'all are using a cutting torch, open up just the torch cutting oxygen valve. If you are using a cut attachment, open the oxygen valve on the torch handle and the cutting oxygen valve on the attachment.[17]

    • Don't set the force per unit area higher than what the equipment manufacturer recommends.

  2. 2

    Adjust the acetylene adjuster screw to the desired working force per unit area. Practice not exceed 15 psi. Shut the acetylene valve immediately afterwards you obtain the right pressure. You lot shouldn't open the valve more than 1 full plough.[18]

    • If you open the valve too fast or likewise far, you may cause the canister to combust.

  3. 3

    Do non release acetylene or other gasses near sources of ignition. As well, make certain y'all are working in a well-ventilated surface area. Information technology is advisable to keep a burn down extinguisher in your workspace in example there are whatsoever explosions or emergencies.[19]

    • Heating, welding, and cutting crusade smoke and fumes that are bad to exhale in and that can irritate the pare.

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  1. 1

    Bank check the manufacturer's instructions for the torch before offset. Though most torches follow the same operating procedure, the manufacturer's instructions may have helpful tips or warnings that are specific to your torch. Read it thoroughly before following steps or tips from whatever other sources.[twenty]

    • You lot can also search the manufacturer online to check out more information regarding your tool. A lot of sites have customs forums where people post tips and stories almost their experiences that you lot can learn from.

  2. 2

    Open up the torch acetylene valve 1/2 turn and light the flame. Use a friction lighter rather than a match for this stride. A friction lighter is also called a torch striker, and these tin can be establish at hardware stores. You will see a flame coming out of your torch. If for some reason there isn't a flame, turn off the acetylene valve and check your connections.

    • Remember to not take the oxygen gas flowing when you go to lite the torch.[21]

  3. 3

    Reduce the acetylene flow by adjusting the torch acetylene valve. The flame should first to produce black smoke around the edges. Once the black smoke appears, beginning to increase the acetylene flow back up again just enough to get rid of the blackness smoke. The flame should still exist attached to the tip (it shouldn't appear every bit though it has "jumped away" from it).

    • The lighting process should result in a neutral flame, which is blue in colour and which does not brand a hissing audio.[22]

  4. 4

    Stop working if the flame all of a sudden goes out. This is called "backfire" and tin happen it the torch comes into direct contact with the metal. If this happens, become ahead and relight the torch again right abroad. If backfire occurs repeatedly without contact with the piece of work, it may be due to incorrect operating pressures or a loose nozzle in the torch. In this case, check the operating pressures and accept a look at the torch to make sure everything is connected properly.[23]

    • If in doubt, plow off the gasses and check your machine over before proceeding.

  5. 5

    Plough off the torch if there is flashback. Flashback is when in that location is a pronounced hissing or squealing dissonance. This means there is something wrong with the torch or with the set upwards. After turning off the torch and investigating the cause, expect until the torch has cooled before attempting to light information technology again.[24]

    • If your torch keeps experiencing flashback, at that place may be a damaged piece that needs to be returned or replaced.

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Add New Question

  • Question

    Why is the caput of an oxy acetylene torch made of contumely?

    Community Answer

    Considering it is a corrosion resistant metal that will not create sparks when struck confronting other substances.

  • Question

    Which tip should I use to heat the metal up?

    Community Answer

    In that location is a tip called a rose bud that produces a big area to heat metals. A brazing tip can work on smaller areas.

  • Question

    How many gauges are needed on the acetylene bottle?

    Community Answer

    Two. A Cylinder Force per unit area Approximate and a Working Pressure Estimate. The CPG will show about 200psi on a total acetylene bottle and decrease as it is used. The WPG indicates the gas pressure level to the torch and is gear up by the regulator.

  • Question

    What size tip do I need for cutting thick metal in one-half?

    Community Answer

    Employ a larger tip for cutting thick metal.

  • Question

    How do I stop black smoke from happening when I light an oxy acetylene torch?

    Community Answer

    You tin can't, because it'south a carbon gas. Do not endeavor lighting with some oxy considering that is an explosive mixture.

  • Question

    Can I lay the gas tank downwards while it is being used?

    Community Answer

    Y'all could lay the oxygen bottle down, but never lay the acetylene canteen down. The acetylene canteen contains acetone, which helps stabilize the acetylene. Laying the canteen downwardly could lead to venting the acetone. A full general rule of thumb is don't lay either bottle down.

  • Question

    How do I set the regulator?

    Community Answer

    The acetylene regulator should be betwixt 5-vii psi.

  • Question

    What is the safe device fitted to the regulator?

    Community Answer

    It is a back-menstruum preventer. It keeps the acetylene from mixing in the hoses and tanks with the oxygen and vice versa.

  • Question

    Why do the torches go along going out?

    Community Answer

    The piece of work is dissipating heat faster than the torch is producing information technology. Turn upwardly the torch or use a larger tip.

  • Question

    Can yous provide a listing of procedures for adjusting an oxyacetylene torch for brazing?

    Sarah Battilana

    Sarah Battilana

    Community Answer

    A dissimilar mechanism called "capillary action" is used for brazing. To accomplish compatible capillary action, both parts must be evenly heated before adding rod. Preheating conducts heat through the articulation and brings both pieces to the correct brazing temperature. The torch must be kept in move to evenly distribute heat and should be kept farther abroad than traditionally to go on sections from overheating.

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  • Go along animals and children away from your piece of work area when operating an oxy acetylene torch.

  • If y'all have long hair, tie it dorsum or tuck it into a bandanna or cap.

  • Go on the torch tip clean.

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  • Never utilise torches, regulators, or hoses in need of repair.

  • Never attempt to repair hoses with record of any sort.

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About This Commodity

Commodity Summary 10

To set up an oxy acetylene torch, showtime by cleaning any dust or dirt from the valve outlet. Side by side, attach the force per unit area-reducing regulators that allow yous to safely start and operate the torch. Y'all'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 ready the correct operating pressure. Finally, open the torch acetylene valve ½ turn and use a friction lighter to low-cal the flame. To larn how to get a neutral, blue flame, continue reading!

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Source: https://www.wikihow.com/Set-Up-an-Oxy-Acetylene-Torch

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