Torch tip

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Glorydays

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What's everyone's preference for casting noble porcelain metals..... single orifice torch tip? Or multiple orifice? I'm guessing the multiple won't get hot enough?
 
SteveD

SteveD

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What's everyone's preference for casting noble porcelain metals..... single orifice torch tip? Or multiple orifice? I'm guessing the multiple won't get hot enough?
multiple, propane, oxygen
 
ps2thtec

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Multi torch tip.
20psi oxygen and natural gas.
IMG_4382.png IMG_4378.jpeg
 
doug

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I'm sorry, Doing what? Casting? Back in the day when I did do that I used a multi-orifice tip. Oh those days...Sigh
 
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tuyere

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Rosebud tips are great for casting and all-around general heating.
As an aside- It seems hard to find nowadays, but MAPP is very nice if you need to juice a bit more heat out of a torch you normally run propane through. It's also got a more focused and intense flame cone, which isn't a real asset for casting where a bushy, soft flame is fine (like you get with natural gas),but if you find yourself doing some brazing or spot heat-treating for non-dental purposes, it's a treat. Almost as hot as acetylene, and without the acetylene fairies (floating soot) you get if you cut off the oxygen before the fuel.
 

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