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Originally Posted by flash i thought all plumbing fittings from the west are bsp(british standard pipe thread) |
No, They are not the same, Pipe threads in the US are NPT,[national pipe thread], the reason that Thai shit will not work is the size and pitch is the same but it is machine thread and not a tapered thread, so the thread bottoms out without tightening due to taper, Thai working with it will just wrap a lot of teflon tape til it is large as the female thread and the tape will not take pressure.
While you are in the states check a "HOSE BIBB" the threads that are used here are the bibb part, the other end is NPT or MPT.