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But only if you put the tape over the edge. I usually leave the first 2 threads uncovered, why would it fall into the stream if you don’t cover the tip of the t
by culopatin 4y ago
But only if you put the tape over the edge. I usually leave the first 2 threads uncovered, why would it fall into the stream if you don’t cover the tip of the thread with it?
- VLM 4y agoThe most installed/removed NPT thread will leak the most thus have the most tape added and the scraping of installation/removal will guarantee teflon contamination of the system eventually. You are also correct in that something installed one time for the lifetime of the system, especially with some care and attention to cleanliness, is almost certainly OK.
- kevin_thibedeau 4y agoWhen you open up the joint, bits are left behind in the female half. Then they get pushed in when it's resealed.
- lazide 4y agoThe tip of the thread in NPT is the one that needs the lubrication the most, hah. Pipe Dope causes similar issues though.