Asked by: Ilsa Lagershausen
automotive auto parts

How do you turn on a cutting torch?

Last Updated: 10th June, 2020

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Set your oxygen to 40-50 psi. Turn your oxygen valve on all the way, then turn your acetylene valve a 1/6-1/5 of a turn. Using your striker light the torch facing away from you and the bottles. Adjust the acetylene valve to where the flame is touching the tip of the torch, but is not giving off black smoke.

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In this manner, what do you turn off first oxygen or acetylene?

It's typically recommended that when finishing with the use of an O/A torch, you shut off the acetylene first, then sut off the oxygen. I realize that this extinguishes the flame immediately, because the fuel gas is gone.

Secondly, how do you use a torch? Turn your oxygen valve on all the way, then turn your acetylene valve a 1/6-1/5 of a turn. Using your striker light the torch facing away from you and the bottles. Adjust the acetylene valve to where the flame is touching the tip of the torch, but is not giving off black smoke.

Also to know, how do you install a torch regulator?

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.

How do you start an acetylene torch?

  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 no smoke 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.

Related Question Answers

Azzahra Pefferkorn

Explainer

Gianluca Qureshi

Explainer

How does a cutting torch work?

In oxy-fuel cutting, a torch is used to heat metal to its kindling temperature. A stream of oxygen is then trained on the metal, burning it into a metal oxide that flows out of the kerf as slag. Consequently, single-tank torches are typically suitable for soldering and brazing but not for welding.

Christy Einstein

Pundit

How do you know when oxygen tank is empty?

Re: How to tell when your tank is empty
The working pressure (to the torch or gun) and the tank pressure. Tank pressure is an indication of how much gas you have left at a given temp. When the tank pressure gage is zero, your bottle is empty. A full bottle of oxygen is 2200 psi.

Talat Ranjan

Pundit

How does a torch lighter work?

Butane torches work by discharging liquid butane, stored in a pressurized space, in a narrow stream of gas. A flicker, made by striking a flint with steel or simply by compressing piezoelectric crystal, ignites the gas.

Yuna Goncalves

Pundit

How hot is a brazing torch?

1100 to 1500o F

Serotina Baldellou

Pundit

How do you turn on a Bernzomatic torch?

Hold the striker in one hand and turn the gas valve of the Bernzomatic torch 1/4 turn to start the gas flowing from the torch head. Push the striker arm to ignite the Bernzomatic torch. It may take a few attempts with the striker to light the torch.

Usoa Landenberger

Pundit

What is a cutting attachment?

A Welding Torch is a complete unit, to which a tip and mixer are added and gas is supplied. A Cutting Attachment and tip can replace the tip (and nut) to transform it into a Cutting Torch.

Abdelhabib Adiego

Teacher

How far do you open an acetylene tank?

10.8. 4.8 Valve partially open. An acetylene cylinder valve shall not be opened more than approximately one and one half turns and preferably no more than three-fourths of a turn, unless othrwise specified by the manufacturer.

Efran Bocio

Teacher

Is pure oxygen flammable?

Despite popular opinion, oxygen is not flammable. A flammable substance is one that burns. Though oxygen does not burn, it is an oxidizer, which means it supports the process of combustion. So if you already have a fuel and a fire, adding oxygen will feed the flames.

Petro Quagli

Teacher

How do you turn off an acetylene torch?

Close the acetylene hand valve on the torch, then the oxygen valve. This extinguishes the flame and eliminates the soot. 3. Open the hand valves on the torch, bleed lines, close hand valves on torch, turn regulator adjusting screws all the way out".

Manea Pylnev

Teacher

How hot is an acetylene flame?

3,480 degrees Celsius

Erundina Ruiz De Alegria

Reviewer

Navil Rosillo

Reviewer

What is the best way to set the oxygen pressure for cutting?

Recommended oxy/acetylene cutting tip pressures vary 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, and the oxygen regulator for 40 psig.

Jada Turcan

Reviewer

How much does a cutting torch cost?

Propane requires more oxygen than acetylene. Lots of cutting torches on CL ranging from $250 to $500 as less need due to plasma cutters. You DO want to OWN the tanks as rental will kill you on price in long run. for "shotgun search" of pricing across country, then narrow down to your area.

Zaima Lichtzer

Reviewer

Why does my cutting torch pop?

The reason that an oxyacetylene cutting torch will pop and go out is because of a problem with gas flow. Usually this is either an issue with flow settings, a leak or blockage. In short, it could be a number of things.

Dilyan Ithurbide

Supporter

What can you cut with oxy acetylene?

Oxy-fuel cutting is used for the cutting of mild steel. Only metals whose oxides have a lower melting point than the base metal itself can be cut with this process. Otherwise as soon as the metal oxidises it terminates the oxidation by forming a protective crust.

Arsalan Nickels

Supporter

Can you weld with a cutting torch?

A cutting torch is turned on the same way you would start a welding torch- open fuel valve, ignite fuel, open oxygen valve, add oxygen and obtain a neutral flame. A oxy-fuel welding torch does not have a second oxygen valve, without a high pressure blast to remove melted material, it will weld instead of cut.

Yumalai Torrano

Supporter

What is the best oxy acetylene torch kit?

The 8 Best Cutting Torch Kits
  1. Miller Oxy-Acetylene Cutting Torch Kit – Best Overall.
  2. Victor Cutting-Torch Kit.
  3. ZENSTYLE Cutting Torch Kit – Best Value.
  4. Hobart Medium-Duty Cutting-Torch Set.
  5. Firepower 250 Cutting-Torch Kit.
  6. XtremepowerUS Welding Cutting Torch Kit.
  7. ZENY Portable Gas Welding Cutting-Torch-Kit w/Hose.

Abdelhadi Zisk

Beginner

Can you cut cast iron with a torch?

To cut cast iron is slow work, and requires a special technique and plenty of patience. To cut cast iron, use a nozzle of the size you would use for cutting steel of the same thickness. Select a nozzle with maximum preheat capacity; a nozzle designed for minimum acetylene consumption simply won't do the job.