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Bio-Diesel and Alternative Fuels Discussion of biodiesel (homegrown or store bought) and other alternative fuels for diesel-powered vehicles.

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Old 11-11-2008, 02:38 PM   #1 (permalink)
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How to seal fittings against WMO

What are y'all using to seal up your pipe fittings on your WMO filtering rigs? I used regular teflon tape, which worked good at first, but now the WMO is eating the tape and I am getting lots of leaks. Wondering what kind of pipe thread sealer y'all are using that can stand up to the WMO?
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Old 11-11-2008, 05:50 PM   #2 (permalink)
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Originally Posted by jstrauss View Post
What are y'all using to seal up your pipe fittings on your WMO filtering rigs? I used regular teflon tape, which worked good at first, but now the WMO is eating the tape and I am getting lots of leaks. Wondering what kind of pipe thread sealer y'all are using that can stand up to the WMO?
I use Loctite PST on everything, at work we have two 275 gallon waste oil tanks at work that have valves in them which are sealed with PST and they have not leaked in 18 years. Good luck

Frank
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Old 11-12-2008, 12:03 AM   #3 (permalink)
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I haven't had any trouble with teflon tape yet. If you're using steel/brass pipe/fittings, maybe they have stretched and you need to tighten them up some more. I'm using PVC on all of my stuff and other than the stem seal in one of the PVC ball valves leaking, I haven't had any trouble.
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Old 11-12-2008, 08:02 AM   #4 (permalink)
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I use teflon tape without issue.
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Old 11-13-2008, 10:33 AM   #5 (permalink)
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The yellow teflon tape for natural gas applications is thicker and seems to work well.
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Old 01-14-2009, 07:07 AM   #6 (permalink)
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What fittings I use a tuthill pump designed for WMO so no worries.
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