A heating chamber was specifically installed in the construction of the underground utility tunnel in Beijing's sub-center for laying heating pipelines. This project adopted a non-compensated cold installation and direct burial method, significantly saving urban underground space.
Custom-made high-temperature-resistant prefabricated insulated pipes (supply/return water temperature 130/70℃, pressure 1.6 MPa). The pipeline uses high-quality seamless steel pipes as the working pipe, capable of stable operation in a confined space for over 30 years.
No.1 Haodeboer Road, Qingdao, Shandong, China
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