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Teflon tape



 
 
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  #1  
Old March 6th 08, 02:10 AM posted to rec.aviation.owning
[email protected]
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Posts: 20
Default Teflon tape

My mechanic is getting ready to install new (hideously expensive) fuel
valves in my Comanche and he indicated that he did not want to use
teflon tape on the pipe fittings. Any ideas why teflon is undesirable
for fuel applications? I thought that it was pretty inert.

-ifsc
  #2  
Old March 6th 08, 02:13 AM posted to rec.aviation.owning
Capt. Geoffrey Thorpe
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Posts: 790
Default Teflon tape

wrote in message
...
My mechanic is getting ready to install new (hideously expensive) fuel
valves in my Comanche and he indicated that he did not want to use
teflon tape on the pipe fittings. Any ideas why teflon is undesirable
for fuel applications? I thought that it was pretty inert.



Fragments can get into carburetor jets or injector orifices and block the
flow.

--
Geoff
The Sea Hawk at Wow Way d0t Com
remove spaces and make the obvious substitutions to reply by mail
When immigration is outlawed, only outlaws will immigrate.

  #3  
Old March 6th 08, 01:07 PM posted to rec.aviation.owning
Denny
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Posts: 562
Default Teflon tape

When folks have questions like this, here is the source for many of
the answers:

http://www.tagpilotsupply.com/browse...Practices.HTML

denny
  #5  
Old March 7th 08, 10:29 PM posted to rec.aviation.owning
John Kunkel
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Posts: 42
Default Teflon tape


"Capt. Geoffrey Thorpe" The Sea Hawk At Wow Way D0t C0m wrote in message
news:tfydnWk_eoK72FLanZ2dnUVZ_uWlnZ2d@wideopenwest .com...
wrote in message
...
My mechanic is getting ready to install new (hideously expensive) fuel
valves in my Comanche and he indicated that he did not want to use
teflon tape on the pipe fittings. Any ideas why teflon is undesirable
for fuel applications? I thought that it was pretty inert.



Fragments can get into carburetor jets or injector orifices and block the
flow.


The only way tape fragments can enter the system is if the tape is applied
incorrectly, another case of a fine product getting dissed because of human
error.


  #6  
Old March 8th 08, 12:27 AM posted to rec.aviation.owning
Capt. Geoffrey Thorpe
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Posts: 790
Default Teflon tape

"John Kunkel" wrote in message
. ..

"Capt. Geoffrey Thorpe" The Sea Hawk At Wow Way D0t C0m wrote in message
news:tfydnWk_eoK72FLanZ2dnUVZ_uWlnZ2d@wideopenwest .com...
wrote in message
...
Fragments can get into carburetor jets or injector orifices and block the
flow.


The only way tape fragments can enter the system is if the tape is applied
incorrectly, another case of a fine product getting dissed because of
human error.



Yes, if you leave 2 threads uncovered at the end, the tape will not enter
the system when you assemble it. But, the next time you disassemble it, bits
may be left on the threads which may then get pushed into the sytem when you
re-assemble.

I ain't diss'n nothing. I've used miles of the stuff myself.

--
Geoff
The Sea Hawk at Wow Way d0t Com
remove spaces and make the obvious substitutions to reply by mail
When immigration is outlawed, only outlaws will immigrate.

  #7  
Old March 8th 08, 08:36 PM posted to rec.aviation.owning
John Kunkel
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Posts: 42
Default Teflon tape


"Capt. Geoffrey Thorpe" The Sea Hawk At Wow Way D0t C0m wrote in message
news:saadned3As_EUkzanZ2dnUVZ_qGknZ2d@wideopenwest .com...
"John Kunkel" wrote in message
. ..

"Capt. Geoffrey Thorpe" The Sea Hawk At Wow Way D0t C0m wrote in
message news:tfydnWk_eoK72FLanZ2dnUVZ_uWlnZ2d@wideopenwest .com...
wrote in message
...
Fragments can get into carburetor jets or injector orifices and block
the flow.


The only way tape fragments can enter the system is if the tape is
applied incorrectly, another case of a fine product getting dissed
because of human error.



Yes, if you leave 2 threads uncovered at the end, the tape will not enter
the system when you assemble it. But, the next time you disassemble it,
bits may be left on the threads which may then get pushed into the sytem
when you re-assemble.



Like I said, human error.


  #8  
Old March 9th 08, 04:44 AM posted to rec.aviation.owning
David Lesher
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Posts: 224
Default Teflon tape


I have no idea if it's FAA Approved, but I used to use stuph called
RectorSeal instead of tape on the flare fitting on 0.25" steel sense
lines used on the pipeline. It was no problem with 700psi gasoline, etc.


--
A host is a host from coast to
& no one will talk to a host that's close........[v].(301) 56-LINUX
Unless the host (that isn't close).........................pob 1433
is busy, hung or dead....................................20915-1433
 




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