Pert Insulation Pipe Production Pipe Line Flexible PU Insulated Pipe Integrated Production Line
The PERT flexible insulation pipe, also known as the PE-RT II type pre-insulated pipe, is a composite plastic pipe with excellent performance and wide applications. It is composed of three main parts: an outer protective layer made of high-density polyethylene (HDPE), a rigid polyurethane foam insulation layer, and a working pipe made of heat-resistant polyethylene (PE-RT II) .
Structure
Outer Protective Layer: Made of HDPE, it provides excellent mechanical strength, impact resistance, and corrosion resistance. It also prevents external forces and environmental factors from damaging the insulation layer.
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Insulation Layer: The rigid polyurethane foam has a density of 60-80 kg/m³. It fills the gap between the working pipe and the outer protective layer, offering good thermal insulation and mechanical properties. It can withstand temperatures up to 120°C under normal conditions and up to 180°C with modification or combination with other insulating materials.
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Working Pipe: Made of PE-RT II material, it can operate at temperatures ranging from -40°C to 110°C and is capable of long-term hot water transportation at temperatures below 95°C.
Features
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Thermal Insulation: The low thermal conductivity of the polyurethane foam effectively reduces heat loss and maintains the temperature stability of the medium inside the pipe.
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Flexibility and Ease of Installation: The pipe's flexibility allows for easier bending and installation, reducing the need for additional fittings and lowering construction costs.
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Durability and Corrosion Resistance: The PE-RT II material and the protective HDPE layer offer strong resistance to corrosion, ensuring a long service life of up to 50 years.
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Environmental Friendliness: The materials used are non-toxic and do not release harmful substances, making the pipe safe for both human health and the environment.
Applications
The PERT flexible insulation pipe is widely used in various fields, including:
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Urban centralized heating secondary networks.
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Insulation of hot spring water pipelines.
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Air-source heat pump and solar water heating projects.
Connection Methods
The PERT flexible insulation pipe can be connected through methods such as hot-melt socketing, hot-melt butt welding, and electrofusion welding.
Process Flow
Up carrier pipe--pulling up to line--pipe catching connect--transport forward---put into seal &cover film device--foaming--foam curing ---PE cover extruding--vacuum sorb -- spray cooling--checking splice--cutting splice--off-pipe--down off pipe
Cover pipe dia.&wall thickness
No. |
Dia. |
Wall thickness |
1 |
200mm |
3mm |
2 |
160mm |
3mm |
3 |
125mm |
3mm |
4 |
110mm |
3mm |
5 |
90mm |
2mm |
6 |
75mm |
2mm |
7 |
50mm |
2mm |
A Brief Introduction to The One-Step Polyurethane Insulation Pipe Production
https://hsdextruder.en.made-in-china.com/product/fndrxacAvNRj/China-a-Brief-Introduction-to-The-One-Step-Polyurethane-Insulation-Pipe-Production.html
Pert Fiber-Enhanced Flexible PU Insulated Pipe Integrated Production Line
https://hsdextruder.en.made-in-china.com/product/FJrpHYAlHOUZ/China-Pert-Fiber-Enhanced-Flexible-PU-Insulated-Pipe-Integrated-Production-Line.html
This kind of pipe is a new generation of PU insulation pipe, with many advantages, such as light, easy operation, few joints, and good flexibility.
It is mainly used to transport heat from main pipe system to housing estate or buildings.
√ Insulation:
The thermal conductivity is as low as 0.013, which is 4 to 9 times better than that of traditional materials. The 92% closed-cell rate ensures a lifespan of over 50 years.
√ Anti-corrosion property:
The foam layer is closely bonded, isolating air moisture and ensuring long-lasting durability in harsh environments.
√ Economy:
Save 50% of excavation costs and 90% of civil construction costs, shorten the construction period by half, and use intelligent control to reduce energy consumption.
√ Environmental friendliness:
Less land occupation, zero waste in production, and green processes are more sustainable.
Our factory has been established since 2003, and we have been exporting equipment for more than ten years, providing pipe insulation and anticorrosion production line equipment for customers from various countries.
Please feel free to contact me, I will be happy to answer your questions!

Warranty: 12 months mechanical part, 6 months electrical part after delivery
Seller provide the technical service with free, and training the workers of buyers.
Installation and testing
The seller can send enough technicians to the buyer's company for installation and testing the lines. The round trip ticket, accommodation, transportation, medicine treatment and insurance caused by the buyer's expert in Iran and 150 US dollars per person per day will be covered by the buyer.
Another introduction of this product↓
https://hsdextruder.en.made-in-china.com/product/fndrxacAvNRj/China-a-Brief-Introduction-to-The-One-Step-Polyurethane-Insulation-Pipe-Production.html