This may be helpful...
http://www.arrowsprings.com/html/tips___tricks.html
Open this up and look at the bottom of page 3 (of 14), particularly the last two paragraphs (well one of them is just two sentences long).
The Arrow Springs guide is a wealth of information.
PS
I found the same thing here in the last two paragraphs of the page:
http://www.arrowsprings.com/html/con...egulators.html
So, you don't have to download the pdf file unless you want to. Here is what it says about pressure settings:
Quote:
The best pressure to use for oxygen is between 20 and 25 pounds. Use 10 to 15 pounds for the propane.
Using these pressure settings will make the pressure regulators perform better and have a longer life. Some propane pressure regulators have a red danger zone on the delivery pressure gauge. This only applies when the pressure regulator is used with acetylene. Disregard it when using propane. Many torches give suggested pressure settings that are lower than what is stated here. These pressures are actually what the torch works best at, at a minimum. Supplying higher pressure does not affect the torch or increase gas consumption. The actual pressure that the torch will operate on is what you manually set using the torch's valves.
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