A Little Wisdom Helps You Become Smarter !In the video, workers install a black plastic casing (HDPE) onto a steel pipe for district heating systems. An industrial forklift pushes the casing forward while two workers use ropes to guide it onto the pipe.
Rust on the pipe requires no treatment. Wooden spacer blocks wired to the pipe hold the casing in position, creating space for liquid polyurethane foam. When injected, this foam will expand and harden into rigid insulation that permanently bonds the components, blocking heat loss underground.
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