High-Efficiency Computerized Pre-Insulated Pipe Making Machine with High-Pressure Air Type Polyurethane Spraying Foam Pre-Insulated Steel Pipe Production Line
High-Efficiency Computerized Pre-Insulated Pipe Making Machine with High-Pressure Air Type Polyurethane Spraying Foam Pre-Insulated Steel Pipe Production Line
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Product Overview The PU Spraying PE Winding Pre-Insulated Pipe Production Line is engineered for manufacturing polyurethane (PU) prefabricated direct-buried thermal insulation pipes. These pipes are widely used in district heating, cooling systems, and crude oil transportation. The rigid polyurethane spraying PE winding pre-insulated pipe consists of three main layers: Working Steel Pipe: Used for transporting the medium. Polyurethane (PU) Foam Insulation Layer: Provides