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Copper air lines

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Copper air lines
Fri Mar 13, 2009 10:15 am


Hey guys,

Does anyone know if the copper we use in our homes would be DOT approved for use as air lines in our buses. Also what about the flex copper for home use. I am sure I do not want to use the plastic at all. And what about the brass fittings are they special too?

Thanks
Kentucky Steve
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Re: Copper air lines
Fri Mar 13, 2009 10:50 am


Steve, If I were a betting man I would bet they are not aproved by DOT, but I am not sure. The nylon lines that are approved by DOT are probably cheaper than copper and are probably better. The nylon will hold up to vibration better than copper, but we will not use are buses enough to wear out copper if that is what you want to use. I used nylon on my 05 and have not had any trouble with it.

Good Luck Wayne

P.S. yes the fittings are special they are DOT approved.
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rusty
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Re: Copper air lines
Fri Mar 13, 2009 1:37 pm


I used DOT nylon tubing when I installed my AD-9 Air Drier. I liked the way it worked out, easy to use. Also used DOT air fittings. The nylon is much more forgiving and should outlast my lifetime.

~Paul~
Becky & Paul Lawry
Dreamscape
1968 Eagle 01 #7443
Silver 8V92 HT 740

Dreamscape Eagle Travel Blog: https://dreamscapetravels.wordpress.com/

Dreamscape Build Blog: https://dreamscapesilvereagle.wordpress.com/
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Re: Copper air lines
Fri Mar 13, 2009 1:42 pm


Wayne,
My concern would be with sagging over time and causing a water trap and giving a hard place to find an ice block. Yes I know if I maintain our coach right I should not see that problem but, what if. How stiff are the nylon lines? What are the pro's to the nylon other than ease of installation and the vibration resistance? How proven are they? How many years have they really been in service? I don't want to get caught up in taking a "cheap and easy" way out only to have it bite me in the butt years down the road. Of all the systems on our bus it seems as though the copper air lines system is what survived the 40 years of its life intact and still doing its job. I am all ears for better but I want to make sure I am doing it for the right reasons.

Thanks

Kentucky Steve
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Re: Copper air lines
Fri Mar 13, 2009 1:49 pm


Paul,

Does Dreamscape have the copper lines in the rest of her.


Congrates on the new life style, too. :D I wish Deb and I were in the space next to you guys in our soon to be new life style too.


Have fun out there and we will see ya on the road soon.


Thanks

Kentucky Steve
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Re: Copper air lines
Fri Mar 13, 2009 4:21 pm


Steve, I have very little nylon tubing on the out side of my bus but I do have it on the inside like for the parking brake the nylon tubing has been it use for over 20 years now, the first time I ever it saw on a piece of equipment I thought to myself this is never going to work but it did.I dont use nylon tubing anywhere close to wiring because on my HWH jacks they used it for hyd hoses and a wire shorted out and melted the tubing causing a hell of mess.If you are going to use copper tubing buy the automotive type and use no compression fitting(problems later on) it has more flex than home type but will cost you. good luck

Clifford
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luvrbus
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Re: Copper air lines
Fri Mar 13, 2009 6:37 pm


Steve, Yes the original copper is everywhere else, like the main lines from rear to front. I do agree, it's been on our coach since it's inception. If I was starting from scratch I'd use the nylon and clamp it down where I could. It will outlast both you and me. Ask Dan what is used on the new 25's, that might help you with your decision.

So far I've only slept in it for three nights since we started. Been up in Vancouver WA since and until April 4th. Becky is the only one enjoying it along with our two kids, Terra and Yoshi. ;)

~Paul~
Becky & Paul Lawry
Dreamscape
1968 Eagle 01 #7443
Silver 8V92 HT 740

Dreamscape Eagle Travel Blog: https://dreamscapetravels.wordpress.com/

Dreamscape Build Blog: https://dreamscapesilvereagle.wordpress.com/
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