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Old 03-30-2011, 09:55 AM
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001mustang 001mustang is offline
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on flare fittings i still use anti seize w/o issue. no fun removing rusty flare or replacing damaged brake line.

i tighten flare nut pretty firm; tighten more if required to stop leak. even brand new double flares can leak until firmly seated.

never found good data for flare nut or pipe thread torque limits so i pretty much rely on calibrated elbow. i have tried counting turn method but don't have data for all sizes and materials.

i've had bare brass pipe threads leak. i normally use ptfe tape on brass pipe threads and never had issue.

i use ptfe tape or pipe dope or both on pipe threads.
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