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Showing results for tags 'high pressure'.
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Propane forge troubleshooting
Farmer Mark posted a topic in Beginners PlaceHowdy, my name is Mark. I built a propane forge about a year ago. The chamber does not heat properly. It has cold spots and doesn't get the metal as hot as it should. I need to remeasure it, but I'm pretty sure the mouth is 6"x6" with a depth/length of 18". 6" from burner to burner. I used the common ez burner style. 1.25"x.75" reducer. 8" 3/4" pipe with a flared end. For insulation I used 2" soft firebrick. And then it's kiln shelfing on the bottom (3/4" thick) and sides (1/2-5/8" thick). The propane is a high pressure 10psi regulator When I thought the problem was that too much heat escaped, I closed up one end and it did not help. I also tried raising up the floor, but this just made smaller hot zones and larger cold zones with no improvement. I can't really raise the burners higher or lower the floor without cutting welds out. I made a steel box all around it out of angle iron and plate 1/8". Before trying something like that I was hoping to get some advice from you folks. I remembered reading a lot of forums here when I was making plans and constructing this. Thanks in advance for the help. Please let me know if there is any more information I can add that'll be useful, and if you want me to post pics of attempts of changes. Thanks again, -Mark
The attached picture is of my propane tank and the torch I have purchased. The system I am running is a forced air (hair dryer) forge. I have tested it out and it seems to work fine, I just want better efficiency so I can work longer. What I would like to know is what do i need as far as regulators go? Do I need a high pressure reg? Or a low pressure reg? I found a webpage from Don Fogg talking about the setup he recommends, using a high pressure reg at the tank and a low pressure reg with a needle valve and shut off close to the forge. Do I really need the low pressure reg? Or is it a preference thing? I'm almost positive that the torch itself is equipped with a needle valve and shut off so i don't need those. Also a general explanation of high vs low pressure as it relates to propane and forging would be nice as well (in lay terms, as some of the resources I have checked went over my head) Any and all help is appreciated!