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Polyurethane insulated steel pipe, also known as polyurethane-coated steel pipe, is a type of pipe that has been coated with polyurethane foam to provide insulation. This type of pipe is widely used in various applications such as heating, ventilation, and air conditioning (HVAC), as well as water supply and drainage systems.
Polyurethane insulated steel pipe is made from two primary components: polyurethane foam and steel pipe. The foam is injected into the steel pipe and expands to fill the inner space of the pipe. This creates a tight seal that insulates the pipe and prevents the transmission of heat or cold.
Compared to other types of insulation, polyurethane foam has a higher insulation value, which means that it can provide better insulation for pipes. This can lead to energy savings and reduce the amount of wasted energy. In addition, polyurethane foam is an excellent barrier to moisture, which can help prevent corrosion and rusting of pipes.