Home > VansAirForceForums

- Donate yearly (please).
- Advertise in here!

- Today's Posts | Insert Pics

Go Back   VAF Forums > Model Specific > RV-7/7A
Register FAQ Members List Calendar Search Today's Posts Mark Forums Read

Thread Tools Search this Thread Display Modes
Old 10-17-2017, 11:26 PM
simatos simatos is offline
Join Date: Sep 2014
Location: vancouver canada
Posts: 109
Default Pipe thread on Andair filter-pump leak

Im using the Andair pump and Andair filter. They mate together with a pipe thread.
I have tightened it as much as I think is safe without damaging it but it continues to leak at this joint. Any idea how I might get it to seal.
Thank you
Reply With Quote
Old 10-18-2017, 12:04 AM
BobTurner BobTurner is offline
Join Date: Dec 2011
Location: Livermore, CA
Posts: 4,962

Pipe threads need a sealant. What are you using?
Do not use teflon tape. Do not use RTV.
Many like Permatex (#2, iirc), there are others.
Reply With Quote
Old 10-18-2017, 01:00 AM
Bevan Bevan is offline
Join Date: Sep 2007
Location: BC
Posts: 1,502

I like Locktite 567 with PTFE in a tube. Amazon has it.

RV7A Flying!
O-360-A1F6 (parallel valve) 180HP
Dual P-mags
Precision F.I. with AP purge valve
Vinyl Wrapped Exterior
Grand Rapids EFIS
Located in western Canada
Reply With Quote
Old 10-18-2017, 06:48 AM
jcarne's Avatar
jcarne jcarne is online now
Join Date: Jul 2016
Location: Worland, Wyoming
Posts: 387

I have been researching this as well as I am working on the fuel tanks and need to seal some pipe threads as well. My research on the forums has revealed most use permatex #2 and Loctite 567. The loctite has had the most "rave" reviews.
Jereme Carne
RV-7A Emp. coming along
Working on Wings
Exempt but gladly paying!
Reply With Quote
Old 10-18-2017, 07:41 AM
TS Flightlines TS Flightlines is offline
Join Date: Apr 2010
Location: Ridgeland, SC
Posts: 1,968

permatex #2, PTFE sealant, Loctite 567, NOT teflon Tape. All of those have good results. YMMV. Used PTFE for years.

Tom Swearengen, TS Flightlines LLC
Teflon Hose Assemblies for Experimentals
Proud Vendor for RV1, Donator to VAF
RV7 Tail Kit Completed, Fuse started-Pay as I go Plan
Ridgeland, SC
Reply With Quote
Old 10-18-2017, 08:27 AM
simatos simatos is offline
Join Date: Sep 2014
Location: vancouver canada
Posts: 109

guys thanks
to the hangar now to give it a go.
cheers g
Reply With Quote
Old 10-18-2017, 02:54 PM
RV7A Flyer's Avatar
RV7A Flyer RV7A Flyer is offline
Join Date: Jul 2013
Location: US
Posts: 1,471

You know, I have a question about this filter...I have the Andair pump/filter combo as well.

What's the point of the safety wire on the filter? If it's screwed into the pump at one end, and a fuel line (from the fuel selector valve, in my case) is screwed on the other, how would the filter case *ever* unscrew itself?

Granted, I don't have it handy, so I'm going by memory, but still...?
Reply With Quote

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

All times are GMT -6. The time now is 07:20 PM.

The VAFForums come to you courtesy Delta Romeo, LLC. By viewing and participating in them you agree to build your plane using standardized methods and practices and to fly it safely and in accordance with the laws governing the country you are located in.