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NY65912 NY65912 is online now
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Join Date: Oct 2001
Location: Brooklyn, NY USA
Posts: 4,461
In my former work world Yellow tape was for natural gas. We only used Rectorseal No. 5 on gasoline of fuel oils. In my experience (47 years in industrial / commercial plumbing) sometime PTFE can be too slick and the fitting can be made up "too tight" and be in danger of damaging either the fitting or the female item being threaded into.

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MikeČ

1985 M491

Last edited by NY65912; 11-24-2025 at 03:51 PM..
Old 11-24-2025, 03:29 PM
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