Continuous Flexible PERT PPR HDPE Insulation Pipe Production Line for Heating Supply

Continuous polyurethane foam flexible insulation pipe extrusion line is a professional and advanced manufacturing equipment dedicated to producing high-quality flexible insulation pipes. This line is designed to fabricate pipes with a diameter ranging from 20 to 110 mm, integrating mature continuous production technology to meet the needs of global heating and cooling supply projects.

Polyurethane PERT insulation pipe is called flexible insulation pipe internationally; the Chinese standard name is II type heat-resistant polyethylene (PE-RT II) low-temperature direct buried heating pipe. It is an ideal choice for modern underground heating systems due to its excellent thermal insulation performance and durability.

It saves raw materials by using PE-RT II pipe. Example: Level 2 design pressure: 10 Bar, suitable for cold and hot water transfer in buildings. When selecting different material pipes, PE-RT II has the highest S value and the thinnest wall thickness, achieving optimal material utilization.

Compared to PERT I, PE-RT II can reduce material use by 15%; relative to PP-R, PE-RT II can reduce material use by 30%. Note: According to relevant Chinese national standards and draft.

• Raw material feeding
• Vacuum feeding
• Single screw extrusion
• Inner pipe forming
• Polyurethane foam mixture injection
• Film coating
• HDPE outer casing extrusion
• Cooling and shaping
• Fixed-length cutting
• Inspection and packaging

• District heating and cooling supply systems
• Underground direct buried heating pipeline
• Urban building hot and cold water transportation
• Residential and commercial central heating network
• Old heating pipeline reconstruction and upgrading

International: Up to now, there are only a few foreign companies engaged in PERT II cryogenic pipelines, mainly in northwest Europe, Russia and the Middle East. This provides broad market space for our high-quality equipment.

Our continuous PERT/PPR/PP/HDPE polyurethane foam flexible insulation pipe line has passed ISO9001:2008 certification by SGS, ensuring product quality meets international standards and facilitating global market access.

We actively participate in international trading shows to showcase our advanced insulation pipe production line, enhancing brand influence and establishing cooperative relations with global customers.

We provide comprehensive after-sales service, including lifetime technical support, on-site installation, commissioning and training, ensuring customers can use the equipment smoothly and efficiently.

Qingdao Huashida Machinery Co., Ltd is a professional plastic extrusion production line manufacturer established in 2003. The factory covers 34000 square meters, focusing on the R&D and production of various plastic pipe equipment.

Our main products include HDPE pressure pipe for gas or water transmission, structural wall pipe extrusion line, corrugated pipe extrusion line, and continuous PERT/PPR/PP/HDPE polyurethane foam flexible insulation pipe line. The products have been exported to the Middle East, Russia, Africa, Turkey, Korea and other regions, winning wide recognition from global customers.

Our factory is located in Chengyang Industrial Area, Qingdao, Shandong Province. We have been approved and obtained ISO9001:2008 certification by SGS. All customers are welcome to visit our factory for inspection and cooperation.