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Sealing large threads 2"+?

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Sealing large threads 2"+?

Unread postAuthor: ALIHISGREAT » Sun Nov 02, 2008 7:50 am

for my planned hybrid, i will need to seal threads up to 3" and my PTFE tape says its only suitable for threads up to 2", i'm guessing because you would need miles of it to seal large threads, so what could i use?
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Unread postAuthor: grumpy » Sun Nov 02, 2008 9:11 am

this is what i use, you can get it at home depo, lowes and most hardware shops.

http://www.rectorseal.com/index.php?sit ... uct_id=212
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Unread postAuthor: nivekatoz » Mon Nov 03, 2008 5:05 pm

I have used polyurithane roofing sealent to seal threads on a 2" pipe. It Works ,I have never had a leak. Im sure it can stand some kind of heat because roofs get kinda hot in the summer. It also stays flexiable,and sticks to almost anything.
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Unread postAuthor: iisthemuffin » Mon Nov 03, 2008 5:08 pm

I use teflon tape on my two inch cannon and it holds the air. You just need more. I get it for 43 cents a roll so i dont really mind using alot of it.
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Unread postAuthor: Gippeto » Tue Nov 04, 2008 12:21 am

This is what I use on lower pressure (less than 300psi) threads at work.

http://www.labsafety.com/store/Faciliti ... irect=true

Very good stuff, and the bottle goes a LONG way.

I buy it at NAPA.
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