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26th March 2008, 06:27 PM #1
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Plumbing question - what should i use to get a good seal?
hi all,
i need help
i have done a water feature that requires so underwater plumbing to achieve the desired effect.
i have used 3 * 900mm threaded pipes with threaded T pipes between them. i need to get a good seal but if i tighten them to to max the T pipes do not face the same direction (very important). the whole thing is underwater and basically i have a pump pushing water through the length and spouting water up at the various junctions. is there something i can use (eg a waterproof equivalent to lock-tite perhaps) that will give me a good tight seal?
thanks in advance.
julieLast edited by alpsy; 26th March 2008 at 06:50 PM. Reason: provided more info
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26th March 2008, 07:22 PM #2
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Teflon tape is your friend.
Tools
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26th March 2008, 11:20 PM #3
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I asked the same question yesterday, but for smaller pipes.
Check out this thread.
Worked really well for me, there is liquid piper sealer compound also but I've never used it so can't comment.
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26th March 2008, 11:41 PM #4
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thanks h4lcy0n and tools,
cant believe we had the same problem days apart.
did think of teflon tape but wasn't sure how it would work under water. also, wondered if i needed to put some silicon on exposed ends.
will get the tape and get to work.
cheers for the responses.
julie
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27th March 2008, 05:34 AM #5
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it isnt necessary to tighten things the whole way
Plumbers were around long before Jesus was a carpenter
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30th March 2008, 06:30 PM #6
Dances with splinters
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Go to yer plumbers supplier and ask for a tin of Hawkin's Paste.
Just a match-head sized blob smeared into the female thread (with t/tape on the male) will eliminate almost all leaks... even those caused by miscast fittings.
Caveat: too much can cause other problems (partly why it's not widely recommended outside the trade) and it really ain't a good choice for use on filtered lines unless you're willing to purge after pressure testing.
- Andy Mc
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