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Tygon Fule tubing question

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Old 06-14-2004, 09:54 AM
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tcblr
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Default Tygon Fule tubing question

I'm new to turbine installation and was wondering about what fuel tubing is recommender for the fuel tank plumbing. Will Tygon fuel tubing used for gas engine installations work OK or is there a preferred type?
Old 06-14-2004, 09:59 AM
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Default RE: Tygon Fule tubing question

Tygon is what you want to use....
Old 06-14-2004, 02:23 PM
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Default RE: Tygon Fule tubing question

I just located a chemical resistance chart and this is what it said about Kerosene:
A= Excellent
B= Good
C= Fair
D= severe effect / not recommemded

PVC(TYPE1)=A
TYGON(E-3606)=D
TEFLON=A
NYLON=A
POLYETHYLENE=D
POLYPROPYLENE=D
VITON=A
SILICONE=D
NEOPRENE=D
SANTOPRENE=D

I was supprised to see Tygon=D, It has been used by the jet guys for years.
Old 06-14-2004, 02:24 PM
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Default RE: Tygon Fule tubing question

McMaster-Carr has all sorts of cool stuff - among the goodies is Tygon tubing available in several diameters; all of which can be ordered in bulk form. Here's a link to their Tygon catalog page ...

<http://www.mcmaster.com/asp/enter.asp?pagenum=86>
Old 06-14-2004, 02:32 PM
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Default RE: Tygon Fule tubing question

Just goes to show what you think is the best turns out the worse
It does go darker the longer it is exposed to kero just like the old plasma bags
probably because it is thick walled it lasts longer ???
maybe a good idea to replace it every season,imagine the fire that could occour

Anybody know a good supplier for teflon,nylon or viton

Brian
Old 06-14-2004, 03:02 PM
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Default RE: Tygon Fule tubing question

ORIGINAL: POCKET-ROCKET

I just located a chemical resistance chart and this is what it said about Kerosene:
A= Excellent
B= Good
C= Fair
D= severe effect / not recommemded

PVC(TYPE1)=A
TYGON(E-3606)=D
TEFLON=A
NYLON=A
POLYETHYLENE=D
POLYPROPYLENE=D
VITON=A
SILICONE=D
NEOPRENE=D
SANTOPRENE=D

I was supprised to see Tygon=D, It has been used by the jet guys for years.
We're using Tygon F-4040. What does the chart say about that variety of Tygon as opposed to E-3606??
Old 06-14-2004, 03:05 PM
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Default RE: Tygon Fule tubing question

I dont have F-4040 on my chart.
Old 06-14-2004, 03:07 PM
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Default RE: Tygon Fule tubing question

You don't see urethane on that list-that's what Jetcat is selling and I believe there are different formulations of Tygon-let me check later-I've got that all at the house. I'll scan the original compatibility chart and post it.
Old 06-14-2004, 03:09 PM
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ChuckC
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Default RE: Tygon Fule tubing question

Woops-waited too long. 3603 is for inorganics-Kerosene is organic. 2075 Tygon is chemical resistant. Don't have the other number on my resource at work.
Old 06-14-2004, 03:12 PM
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Default RE: Tygon Fule tubing question

Actually, if you look closely at the McMaster page, the stuff we're probably ordering (at least I did) at $0.26 a foot is the ecomony PVC stuff. The real F-4040-A in the next column is more expensive at $0.61 a foot.
Old 06-14-2004, 03:17 PM
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Default RE: Tygon Fule tubing question

ORIGINAL: ChuckC

You don't see urethane on that list-that's what Jetcat is selling and I believe there are different formulations of Tygon-let me check later-I've got that all at the house. I'll scan the original compatibility chart and post it.
I've used the Choose a Color polyurethane tubing from McMaster for both air line and fuel line (page 89). 1/8" OD for air and 4mm OD for fuel. Neither are quite as soft (higher Shore rating) as what you get for airline elsewhere or fuel tubing from JetCat. Clippard has the softer airline for about the same price.
Old 06-14-2004, 03:22 PM
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ChuckC
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Default RE: Tygon Fule tubing question

Here's an on-line compatibility chart, but I didn't see the different formulations of Tygon listed:

http://www.coleparmer.com/techinfo/chemcomp.asp
Old 06-14-2004, 04:00 PM
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Default RE: Tygon Fule tubing question

Cole-Parmer chart does`nt list kero but Tygon gets an "A" for turbine oil and a "B" for paraffin
"B" standing for discolouration with use,so how much difference is there between paraffin and kero
Old 06-14-2004, 05:49 PM
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Default RE: Tygon Fule tubing question

Thanks for all the replies. I never dreamed I would learn so much

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