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orchidman
Joined: 10 Jul 2006
Posts: 277
Location: Oklahoma City - KRCE
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pitts_pilot(at)bellsouth.
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 Posted: Tue Jun 05, 2007 6:58 pm Post subject: Flared fitting sealants AN8xx- |
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orchidman wrote:
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I am at the point where I am start to install some of my gas line fittings. Since using teflon tape is a no-no,
IMHO, teflon tape is a no-no if you use it like taping a valuable
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package. Take your time and don't get any tape on the first one or two
threads. Y'all can flame away. I have a thinck skin!!!
| Quote: | what are people using on the pipe fitting side? Anything?
Well, if you still don't like the tape, you can go the liquid teflon
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route .... same caveat on the threads applys.
Linn
do not archive
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When I pressure tested my fuel tanks the only leak I had was the AN816 on the pipe thread side where it screws into the tank.
Need to get it right the first time. I don't want to find any fitting leaks after I have things buttoned up. [Shocked]
--------
Gary Blankenbiller
RV10 - # 40674
(N410GB reserved)
do not archive
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=116792#116792
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dlm46007(at)cox.net
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orchidman
Joined: 10 Jul 2006
Posts: 277
Location: Oklahoma City - KRCE
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jhstarn(at)verizon.net
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| Posted: Tue Jun 05, 2007 7:40 pm Post subject: Flared fitting sealants AN8xx- |
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No flame intended BUT having been a plumber A/C contractor for 20 plus years I have seen teflon tape installed properly & when the joint was taken apart & re-assembled a string if it was cut off by the threads, left inside the female side and pushed into the pipe during re-assembly. It WILL plug orfaces on gas lines, filter & injectors. It's a little like sex, there's the "safe" way, the better way BUT there is ONLY one for sure way. Don't put "stuff" in, on or around the openning. PERIOD That's why they make & sell fuel lube. KABONG HRII N561FS Do Not Archive
| Quote: | From: linn Walters <pitts_pilot(at)bellsouth.net>
Subject: Re: Flared fitting sealants AN8xx-
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| Quote: |
orchidman wrote:
>
>
Since using teflon tape is a no-no,
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| Quote: | >
IMHO, teflon tape is a no-no if you use it like taping a valuable
package. Take your time and don't get any tape on the first one or two
threads. Y'all can flame away. I have a thinck skin!!!
> what are people using on the pipe fitting side? Anything?
>
Well, if you still don't like the tape, you can go the liquid teflon
route .... same caveat on the threads applys.
Linn
do not archive
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recapen(at)earthlink.net
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| Posted: Wed Jun 06, 2007 4:11 am Post subject: Flared fitting sealants AN8xx- |
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My understanding is that with a flared fitting, the threads have no effect on the integrity of the seal - they just provide the clamping force that holds the male and female flared parts together...and that's where all of the sealing needs to occur.
Spruce sells 'flared' thin aluminum gasket washers which are designed to assist in the sealing of flared fittings.I have some for AN4 and AN6 sizes - I think they're made for AN8 also.
For NPT fittings, fuellube, teflon paste, and even teflon tape (when 'properly' applied) can be used as thread sealants.
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pitts_pilot(at)bellsouth.
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| Posted: Wed Jun 06, 2007 6:05 am Post subject: Flared fitting sealants AN8xx- |
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Ralph E. Capen wrote:
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My understanding is that with a flared fitting, the threads have no effect on the integrity of the seal - they just provide the clamping force that holds the male and female flared parts together...and that's where all of the sealing needs to occur.
Very true!
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| Quote: | Spruce sells 'flared' thin aluminum gasket washers which are designed to assist in the sealing of flared fittings.I have some for AN4 and AN6 sizes - I think they're made for AN8 also.
If you flare the tubing correctly, you shouldn't need these 'washers'.
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They just cover up poor workmanship. I lump these in with air/oil
separators! 
| Quote: | For NPT fittings, fuellube, teflon paste, and even teflon tape (when 'properly' applied) can be used as thread sealants.
My thoughts too.
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Linn
do not archive
[quote]
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flywithowen(at)gmail.com
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| Posted: Thu Jun 14, 2007 6:55 pm Post subject: Flared fitting sealants AN8xx- |
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