REFLECTOR: Fuel Lines

[Matt Bucko]

If its a tapered NPT pipe end, use a pipe thread sealant. I would not 
use Teflon tape on ANYTHING on an aircraft...or boat or car. The 37 
degree AN fittings should be assembled dry.
Matt

On 2/27/2014 8:40 AM, Brian Michalk wrote:
> Your comment was a bit vague.  I think you are meaning to say:
> NPT: Yes, use teflon or some other thread lubricant.
> Flared Fittings: No, do not use any teflon.
>
> On 2/27/2014 8:27 AM, Don Johnston wrote:
>> Luis,
>>
>> You mean for the NPT fittings, right?
>>
>> No. Teflon tape is not called out for that application. Some people 
>> use permatex.  I just happen to have a tube of Fuel Lube. Since I'm 
>> done with my fuel system, you're welcome to it.
>>
>> -Don
>>
>>
>>
>>
>> On Thu, Feb 27, 2014 at 8:15 AM, Luciano, Luis I CIV PEOSUB, PMS404P 
>> <luis.i.luciano at navy.mil <mailto:luis.i.luciano at navy.mil>> wrote:
>>
>>     Question for the collective.  I'm finalizing my fuel lines (cabin
>>     side of FW) and wanted to ask about the use of teflon tape (or
>>     other type) on the threaded connectors.  Is this a good idea or
>>     not, is Teflon the correct matl to use, etc.  Also, is there a
>>     recommended torque value used to tighten the connectors?  All
>>     experiences are welcome.
>>
>>     Thanks!
>>     Luis Luciano
>>     Velocity XL-5 "Dulcinea"
>>
>>     -----Original Message-----
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>>     Subject: Reflector Digest, Vol 107, Issue 53
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>>     Today's Topics:
>>
>>        1.  Door seals (Ron N VelocityXLFG)
>>        2. Re:  Door seals (Don Johnston)
>>
>>
>>     ----------------------------------------------------------------------
>>
>>     Message: 1
>>     Date: Wed, 26 Feb 2014 08:52:52 -0600
>>     From: Ron N VelocityXLFG <velocityxl at fastmail.fm
>>     <mailto:velocityxl at fastmail.fm>>
>>     To: Velocity Aircraft Owners and Builders list
>>     <reflector at tvbf.org <mailto:reflector at tvbf.org>>
>>     Subject: REFLECTOR: Door seals
>>     Message-ID: <530DFFC4.20209 at fastmail.fm
>>     <mailto:530DFFC4.20209 at fastmail.fm>>
>>     Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>>
>>     Does any one know of a trick to make the door seals softer?  My
>>     kit is over 14 years old and I think the rubber door seals that
>>     came with my kit are to hard now. The door closed fine before I
>>     installed the seals now I can not get the pins to insert into the
>>     latch .
>>
>>     Ron
>>
>>
>>     ------------------------------
>>
>>     Message: 2
>>     Date: Wed, 26 Feb 2014 09:34:48 -0600
>>     From: Don Johnston <numa at comcast.net <mailto:numa at comcast.net>>
>>     To: Velocity Aircraft Owners and Builders list
>>     <reflector at tvbf.org <mailto:reflector at tvbf.org>>
>>     Subject: Re: REFLECTOR: Door seals
>>     Message-ID:
>>            
>>     <CALD29ioUB89rRJ29EWh7pDg0yEuNd0C4hL53JO6PHa5pix7R0g at mail.gmail.com
>>     <mailto:CALD29ioUB89rRJ29EWh7pDg0yEuNd0C4hL53JO6PHa5pix7R0g at mail.gmail.com>>
>>     Content-Type: text/plain; charset="iso-8859-1"
>>
>>     I don't know about making the existing door seals softer. I went
>>     with seals from McMaster-Carr. Extremely soft and seal pretty
>>     much air tight.
>>
>>     http://www.mcmaster.com/#catalog/120/3489/=qv24jo
>>
>>     I got a couple feet of different thicknesses to determine the
>>     best fit.
>>
>>     93085K13 & 93085K81 worked best for me.
>>
>>
>>     On Wed, Feb 26, 2014 at 8:52 AM, Ron N VelocityXLFG
>>     <velocityxl at fastmail.fm <mailto:velocityxl at fastmail.fm>>wrote:
>>
>>     > Does any one know of a trick to make the door seals softer?  My
>>     kit is
>>     > over 14 years old and I think the rubber door seals that came
>>     with my
>>     > kit are to hard now. The door closed fine before I installed
>>     the seals
>>     > now I can not get the pins to insert into the latch .
>>     >
>>     > Ron
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