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post #7 of Old 11-01-2011
deniseO30
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Just a note about pipe threads, "NPT" The dope or tape helps fill microscopic gaps on the edges and valleys of the thread, NPT threads are tapered, the more you tighten the tighter they get, EXCEPT, you can go too far and stretch the receiving fitting, or split it (rare occurrence) If you have ever seen old dies cut threads (My dad was cheap sob plumber) the threads will be ragged, near impossible to seal, if you buy pipe nipples make sure the threads are smooth if they feel rough, don't use them.

"Next best thing to not having a boat? The knowledge from having one!" Denise, Bristol PA, On Tidal Delaware River, Anchor Yacht Club.
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