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Brazing and Cutting with Propane

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PTsideshow:
One word of caution your home owners insurance will not cover damage to your house or shop with a home made torch.

Yes you can weld with oxy/fuel it isn't recommend , Due to the contamination of the weld joint melt and in theory you can not adjust it to a neutral flame! but then again I have seen a lot of people that can't adjust oxy/acetylene to a neutral flame.

For the rest it works great for cutting it takes longer to pre heat the work, and the tip configuration is completely different.

working end for acetylene they are one piece

This is the other end of acetylene tip


This is the working end of a Victor Propane cutting tip

It is a two piece tip.

My oxy propane set up

I beam cut with the propane tip, It is slower since you will have to adjust your travel speed and how you cut. Which means it will get a lot hotter on the gloved hands.

Victor torch

This is my craftsman 1967 regulator they use to have in on the name plate that it could be used for LP/propane. Now they would rather sell you another regulator.

 This is a Harbor Freight regulator that I use as I picked it up never used but the guy never checked the cost of the cylinders. Didn't want to spend the money   :palm:
I also use the quick connectors on the propane rig since my acetylene set has them.

For the fuel air torches you have three basic choices:

Home version canned propane cylinder, a MC (motorcycle)cylinder and a B (bus) cylinder
carry over from the olden days. that is why the MC has the angled valve from being clamp on the cross bar.

Commonly called a prest-o-lite torch There are probably 14/17 brand names most have interchangeable parts.


Same air fuel torch



A new generation propane/mapp air fuel torch that will develop heat to silver braze they have become very popular with the silver smithing jewelry/beader crowd. Also sold as the shark comes with a bulk cylinder fitting.

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