Plumber’s tape is made of polytetrafluoroethylene (PTFE, aka Teflon), which helps it create a watertight seal between threaded connections.

You need to remove the nuts and olives from the new TRV, wrap your PTFE tape around the threaded parts of the valve to ensure a good, watertight seal, and then place the nut and olive over the top ...

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This handbook is a collection of authoritative information in the new and expanding field of polymer tribology. It brings together various research topics in the field of polymer tribology in a single ...