Anyway to make a atmospheric forge run at low pressure?

Kentucky

Kentucky

Joined
Dec 13, 2008
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I wsa hoping to use our two burner gasser for a more controlled heat treat. You know, pipe inside for a muffle but the problem is (which is a big problem :jerkit:) our forge will not run below 3 psi(which is about 1700* Im guessing from the inside of the chamber, a full orange)..Any lower and it will start to sputter and stop. The flame just wont reach the bottom of the burner tube :grumpy: Without hooking up a pid controller rig (dont really want to since it is a atmospheric forge) any other way of running it at lower pressure...
Or with this design am I crap out of luck in running at low pressure??
 
Mike Turner said:
What size orifice are you using? And have you tried choking it?
Click to expand...

I dont really know the orafice size, its a two burner blacksmith model from diamondback ironworks..The orafice is actually a hole drilled in a pipe..A very,very small hole but unchangeable all the same...I havent tried choking it down though??
 
Well I went out to the shop and tried chking it down..Seems to work. I can run it at lower pressure and lower temps it seems..
 
Good stuff.... I was about to suggest the choke as well. My two burner Zoeller style runs at 1.5psi and with a muffle pipe setup, holds at 1500F. If you are interested, check it out.

Rick
 
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