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How to solve the problem of 19mm-teflon-tape tape hanging?

If you encounter the issue of 19mm Teflon tape hanging or protruding from the threaded connection when applying it, you can follow these steps to solve the problem and ensure a neat and effective seal:
Remove Excess Tape (if necessary):
If there is already excess tape hanging from the threaded connection, carefully cut or trim it away using a sharp blade or scissors. Ensure that you trim it cleanly without leaving any loose ends.
Start with a Clean Thread:
Before reapplying the Teflon tape, make sure the threads on both the pipe and the fitting are clean and free from debris, dirt, or old tape remnants. Use a wire brush or cloth to clean them thoroughly.
Cut the Right Length of Teflon Tape:
Measure and cut a suitable length of 19mm Teflon tape, but be cautious not to cut too much or too little. You'll want enough tape to wrap around the threads at least three to five times.
Hold the Tape Tightly:
Begin by holding the end of the Teflon tape against the threads on the pipe or fitting, positioning it so that it wraps in the same direction as the threads. Hold the tape tightly against the threads to prevent it from hanging loosely.
Wrap Tightly and Neatly:
As you wrap the tape around the threads, apply a slight downward pressure to ensure it adheres well and stays in place. Wrap it smoothly and evenly, overlapping each wrap by about 50%. This ensures a consistent thickness of tape.
Apply Proper Tension:
Maintain even tension on the tape as you wrap it around the threads. This helps prevent it from hanging or bunching up.
Trim Excess Tape Carefully:
Once you've wrapped the threads the desired number of times, use a sharp blade or scissors to trim any excess tape neatly. Be cautious not to cut too close to the last wrap, as this could cause the tape to come loose.
Reassemble the Connection:
Carefully thread the fitting onto the pipe, ensuring that the tape stays in place. Hand-tighten the connection initially to avoid cross-threading, and then use a wrench to snugly tighten the joint. Avoid over-tightening, as this can damage the threads.
Check for Leaks:
After assembling the connection, turn on the water or pressure source (if applicable) and check for any leaks. If you notice any leaks, you may need to disassemble the connection, reapply the tape, and reassemble it following the steps above.
By following these steps and paying attention to the proper tension, wrapping technique, and trimming of the Teflon tape, you can prevent it from hanging or protruding and achieve a secure and effective seal in your threaded connection.