This should clear it up for you lynch from the Wikipedia link:
The use of PTFE tape in tapered pipe threads performs a lubricating function, which more easily allows the threads to be screwed together, to the point of deformation, which is what creates the seal.
Thread tape is appropriate for use on tapered threads, where the sealing force is a wedge action. Parallel threads will not seal effectively with or without tape.
Thread tape is appropriate for use on tapered threads, where the sealing force is a wedge action. Parallel threads will not seal effectively with or without tape.
Last edited by BenFenner
on 2012-06-29
at 22-36-19.
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