QA

Question: How To Use An Oxy-Mapp Torch

Can you mix MAPP gas and oxygen?

Genuine MAPP gas can be used in combination with oxygen for heating, soldering, brazing and even welding because of its high flame temperature of 2925 °C (5300 °F) in oxygen. The hydrogen infuses into the molten steel and renders the welds brittle.

Can you cut with oxy MAPP torch?

Can I cut steel with MAPP gas and oxygen?

MAPP gas is commonly used instead of acetylene because it can be used above 15 psi and is therefore far less dangerous while cutting steel up to 12 inches thick. MAPP burns at a lower temperature than acetylene and is a liquefied petroleum gas that can be stored more easily since it compresses easily.

What replaced MAPP gas?

BLUEFIRE Modern MAPP is a modern substitute to the traditionally known MAPP fuel gas, which was discontinued since 2008.

Why does my oxygen regulator keep blowing?

The high pressure passage of the oxygen through the narrow valve creates heat. Any flammable material on the valve, including dirt, oil, grease or other hydrocarbons, can ignite under this heat. The resulting fire often triggers an explosion, turning parts of the regulator into high-temperature projectiles.

What are the three valves on a cutting torch?

However, on a regular cutting torch, there is an oxygen torch valve, an acetylene torch valve, and a cutting oxygen lever. On a combination torch, the torch body has an oxygen torch valve and an acetylene torch valve. The cutting attachment has a second oxy- gen torch valve and a cutting oxygen lever.

What is a cutting tip?

[′kəd·iŋ ‚tip] (engineering) The end of the snout of a cutting torch from which gas flows.

Why should the oxyfuel torch never be used to cut open a drum or sealed tank?

Why should cans, drums, or other sealed containers not be opened with a cutting torch? Sparks can cause whatever’s inside to explode, even if it is non flammable. What metals can be cut with the oxyfuel gas process? Iron, Low Carbon Steel, Magnesium, Titanium, Zinc, and any metal that oxidizes rapidly.

Can Bernzomatic torch cut metal?

With the flame concentrated in a recessed hole in the block, it created an oven of incredible heat, liquefying the metal in seconds. The Bernzomatic Cutting, Welding, and Brazing Torch Kit really is a cool tool. I pushed it hard on my first foray, not only cutting, but cutting a really thick piece of metal.

Can you use propane for cutting torch?

The gases you can use with oxygen in cutting torches includes acetylene, propane and others. Acetylene burns much hotter than propane and therefore can cut quicker; but propane is usually cheaper than acetylene and can be used just as effectively in a cutting torch.

In which flame oxygen is in excess?

Explanation: The carburizing flame has excess acetylene then oxygen. Reducing flame is used for the welding of low carbon and alloy steel.

Do you turn on the oxygen or acetylene first?

We recommend closing the oxygen valve first whenever turning off an oxy-fuel torch system especially when Acetylene is fuel. This is only part, but a very important part, of the complete safe operating procedure recommended for torches by Harris.

Which is hotter propane or MAPP gas?

MAPP gas is much hotter than propane, and when you are cooking, it can quickly burn your metal pot and pans and burn your hands. But Propane gas also needs much care while using because carelessness can harm you more than your thinking. It is easy and faster to transport when it available in liquid form than propane.

Can I use a propane torch head with MAPP gas?

Yes, MAPP gas works well on a propane torch nozzle, but the flame will be hotter than a propane flame. MAPP is better for soldering copper pipe, but too hot for many smaller copper items. It is also better for brazing and silver solder.

Does MAPP gas melt aluminum?

Propane or MAPP gas without an oxygen feed will not work on aluminum boats due to the aluminum heat dissipation. Too much oxygen or gas will blow the torch out, so slowly adding oxygen to achieve optimum brazing flame is advised.

Why is my oxygen gauge leaking?

If the handle is not tight enough or the washer is not in place, the tank will leak when the valve opens. This means you’ll lose oxygen from the tank faster than normal. If the valve post breaks off a tank, the pressure can release and propel the oxygen tank forward quickly.

What happens when oxygen comes in contact with oil?

Oxygen under pressure and hydrocarbons (oil and grease) can react violently, resulting in explosions, fire, and injury to personnel and damage to property. Even a small amount of hydrocarbon can be hazardous in the presence of high oxygen concentrations.

What should my gauges read on my cutting torch?

Oxy Acetylene Cutting Torch Pressure Settings: Get Your Oxygen Regulator Gauge Right! It’s the reason it’s so crucial to have the right settings. Looking to upgrade your oxy-acetylene torch kit set? The recommended setting is for the fuel gas regulator to be set at 10 PSIG and the oxygen regulator at 45 PSIG.

How do you use a cutting torch step by step?

Separately purge both oxygen and fuel gas lines. Open fuel gas valve 1/2 turn. 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.

What should my cutting torch flame look like?

Lighting the torch Adjust the acetylene valve until the yellow flame is approximately 10-12 inches in length. Open the oxygen valve on the bottom of the handle fully then, slightly open the second oxygen valve until the flame turns from yellow to blue. The light blue flame should not extend away from the tip.