1. Separately purge both oxygen and fuel gas lines.
  2. Open fuel gas valve 1/2 turn.
  3. Ignite flame with striker.
  4. Increase fuel gas flow until flame leaves end of tip and nosmoke is present.
  5. Decrease until flame goes back to tip.
  6. Open oxygen valve and adjust to neutral flame.
  7. Depress oxygen lever and make necessary adjustments.

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In this manner, how do you set an acetylene torch?

How to Set Up an Oxy-Acetylene Torch

  1. Secure the oxygen and acetylene tanks in the torch cart.
  2. Remove the covers protecting the tank valves and attach theregulators to the valves.
  3. Attach the hoses to the regulators.
  4. Connect the other end of the hoses to the torch handle.
  5. Turn the valve on the oxygen tank completely open.

One may also ask, what do you set your oxygen and acetylene on? RULE OF THUMB (MULTI-HOLE CUTTING TIPS, OXY /ACETYLENE) Recommended oxy/acetylene cutting tip pressuresvary with size. If you have no manufacturer setting-information, and are cutting less than 1 ½”thick steel, set the acetylene regulator for 10 psig, andthe oxygen regulator for 40 psig.

One may also ask, how do you start a cutting torch?

Open your acetylene bottle a quarter of a turn.Set your acetylene to between 5-7 psi (pounds per square inch).Turn your oxygen valve on all the way, then turn your acetylenevalve a 1/6-1/5 of a turn. Using your striker light thetorch facing away from you and the bottles.

Do you turn off oxygen or acetylene first?

1) FIRST, shut off the oxygencontrol valve, THEN shut off the fuel control valve. A "pop"may occur if you reverse this procedure. The "pop" throwscarbon soot back into the torch. The soot may partially plug thegas passages.

Related Question Answers

How hot is an acetylene torch?

3,480 degreesCelsius

What is an acetylene torch used for?

Acetylene is widely used for weldingpurposes, although it is not as common as it once was. In welding,two pieces of metal are pressed together while a welder or weldingmachine uses an acetylene torch to concentrate heaton the point where the two metals touch.

How do you make acetylene?

Acetylene is produced by any of three methods: byreaction of water with calcium carbide, by passage of a hydrocarbonthrough an electric arc, or by partial combustion of methane withair or oxygen.

How does an oxygen acetylene torch work?

In oxy-fuel welding, a welding torch isused to weld metals. In oxy-fuel cutting, a torchis used to heat metal to its kindling temperature. A stream ofoxygen is then trained on the metal, burning it into a metaloxide that flows out of the kerf as slag.

What should torch gauges be set at?

Close both torch valves. For the oxygen, turn the pressure-adjusting screw onthe regulator until the gauge reads about 25 psi. For theacetylene, turn the pressure-adjusting screw on the regulator untilthe gauge reads about 10 psi. It is very important to testfor leaks before starting your project.

How does a torch lighter work?

The main difference boils down to using small holes touse the fuel pressure as a way to mix fuel and air together beforeburning, much like a natural gas stove. A regular lighterjust dumps the fuel out into the air, so it burns inefficiently,resulting in the yellow sooty flame.

How much is a plasma cutter?

Regarding initial investment cost to purchase amachine, the lowest cost would be a plasma cutter.Depending on type, size, and features, a CNC plasma cuttingmachine could range anywhere from $15,000 to $300,000.

How do you start a propane torch?

Light the propane torch. Hold the torch with the tip facing away from youand open the gas valve. If you have a striker, place it over thetorch nozzle and strike it to ignite the gas. If yourtorch has an electric igniter, pull the trigger to ignitethe gas.

Why is my torch popping?

Overheated Nozzle. If the popping is onlyhappening after you've been using the torch for a while,like maybe after half an hour or so, it might be because the nozzleis getting too hot. Turn off the torch with the torchvalves. When the flame is out, open up the oxygenvalve.

What is the normal working pressure for acetylene?

A full acetylene cylinder which has apressure of 250 psi at 700F (1725 kPa at 20 C)will have a pressure of 315 psi at 900F (2175 kPaat 310C) and a pressure of 190 psi at500 F (1300 kPa at 90C). You must always taketemperature into account when estimating how much acetylenethe cylinder contains.

What is meant by oxidizing flame?

In various burners, the oxidizing flame is theflame produced with an excessive amount of oxygen. When theamount of oxygen increases, the flame shortens, its colordarkens, and it hisses and roars. The reducing flame is theflame with low oxygen.