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Safety -- Make sure you are safe! |
2011-02-14, 11:39pm
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Member
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Join Date: May 20, 2008
Location: Israel
Posts: 46
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propane tank on ground floor studio on second
Hi
I just bought an oxycon-- airsep newlife 5LPM. My bottled gas (probably propane) is on the ground outside and safely piped up to the second floor room where the torch is. My torch is a Minor. How do I set the psi for the gas? My husband says that pressure is lost during the climb. The regulator is at the tank.
Jo Ann
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2011-02-14, 11:50pm
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Alaska Boro
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Join Date: Dec 10, 2009
Location: Anchorage, Alaska
Posts: 1,065
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With the Acetylene welding type set it at 5 psi unless the torch needs more fuel. The overall flame adjustment is at the torch so you will most likely not see any significant difference.
If you need more heat then a little higher pressure can be used. But with one 5 LPM machine 5 psi should work just fine for your fuel.
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2011-02-15, 9:59am
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Gentleman of Leisure
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Join Date: Jun 10, 2005
Location: A Little Bit West of Yosemite Valley
Posts: 5,200
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Quote:
Originally Posted by yonina
Hi
I just bought an oxycon-- airsep newlife 5LPM. My bottled gas (probably propane) is on the ground outside and safely piped up to the second floor room where the torch is. My torch is a Minor. How do I set the psi for the gas? My husband says that pressure is lost during the climb. The regulator is at the tank.
Jo Ann
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Ummm..... No.... Pressure is lost if hose or pipe is to small and there is to much resistance to flow (volume)... Going UP has nothing to do with it. If pressure/flame seems weak at torch, bump up pressure at regulator somewhat, but it really should not matter.... Have you tried this setup or is discussion purely academic at this point....
Dale
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San Francisco - A Few Toys Short of a Happy Meal
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2011-02-15, 8:24pm
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Cat herder
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Join Date: May 08, 2010
Location: Frednecksburg, VA
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Liquids will lose pressure as they climb due to their weight (noticeable in the plumbing in tall buildings). Gases (like regulated propane) won't noticeably lose pressure since their weight is negligible compared to the pressure.
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Joe
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2011-02-16, 8:36am
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Join Date: May 20, 2008
Location: Israel
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Not academic. We tried at 4 psi and had a very weak flame. Bumped to around 6. The flame is now usable but not strong. But I have never worked with an oxycon before so am not clear if that is just the way it is. Is there a reason not to try it a bit higher?
Jo Ann
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2011-02-16, 8:49am
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Gentleman of Leisure
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Join Date: Jun 10, 2005
Location: A Little Bit West of Yosemite Valley
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Run oxycon at 4.5 to 5 lpm (4.5 will have better purity) and run oxygen valve on torch all the way open, and adjust flame size and chemistry with fuel knob....
Oxycon will not have same "push" as tanked oxygen..One oxycon just produces a acceptable flame not a really robust flame....
Also how long is propane "run" to second floor and what size hose-pipe is it?
All things considered a minor will run adequately on about 0.4psi (about 11-13 Inches Water(IW)) which is same as most natural gas supplies in US, at 6 psi you are about 15x the minimum amount of pressure minor requires to operate ...
Dale
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San Francisco - A Few Toys Short of a Happy Meal
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2011-02-16, 8:55am
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Join Date: May 20, 2008
Location: Israel
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Copper tubing is 5/16" and run is around 9 meters long.
Jo Ann
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2011-02-16, 1:22pm
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Gentleman of Leisure
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Quote:
Originally Posted by yonina
Copper tubing is 5/16" and run is around 9 meters long.
Jo Ann
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Should be ok....
Dale
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San Francisco - A Few Toys Short of a Happy Meal
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2011-02-17, 9:48am
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If its ok, then why did I need to bump up to 6? If its not the height then is it the run?
And is it safe? What would be the highest that is safe?
And where are my manners? Thank you so much for helping us.
Jo Ann
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2011-02-17, 11:02am
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Gentleman of Leisure
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Join Date: Jun 10, 2005
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Possible tubing is a little small (but I would not think so) and you needed a little extra volume... And what else did you change in all the "motions" going on to get problem solved.... Possibly something else changed and you were not aware of in the "process"....
Dale
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San Francisco - A Few Toys Short of a Happy Meal
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2011-03-06, 8:24am
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Glass-aholic
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Join Date: Mar 21, 2007
Location: CT, tolland CT
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I have my propane regulator on about 8-10 on the gauge (of course you are also adjusting what you are using at the torch, which will be less than 8 I hope!!). My torch runs better at this setting. If it is any lower it breathes, or just does not get enough pressure to hold a good flame. I am not playing with a huge flame here either. My oxy con is a 5lpm.
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Minor 10lpm Oxy-Con + HH on Propylene . . . . . .
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To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts. hand dyed silk ribbons in many colors!
WASHERS & TOPPERS - layering components for interchangeable glass topper and to use in other jewelry/metalwork.:
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