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Originally Posted by Mr. Smiley
You've got it man... that pretty much sums it up in a very basic nutshell. I don't disagree with any of that. Basically, use what ever torch setting makes you happy. If it's working, it doesn't need fixing.
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People definitely have their preferences when it comes to how responsive their valve control is. But when deciding what pressures to set the regulators to, they should keep in mind the following (from the Arrow Springs web site - emphasis mine):
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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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