Wondering how an electrofusion multiseal tapping tee actually performs on a live PE100 pipeline? In this video, we walk through the Stackload PE100 fitting with a 4mm automatic pin and 63mm outlet, shown without the tube. Watch the step-by-step installation, see how the automatic pin indicator works, and learn where this tapping tee fits in natural gas and water distribution networks. A clear, practical look for pipeline engineers and contractors.