| Product Description
PPR Fiber pipe is a new-generation high-performance piping product manufactured through three-layer co-extrusion technology. Its unique three-layer structure—inner and outer layers of PP-R material with a middle glass fiber reinforced layer—endows the pipe with physical properties far exceeding traditional PP-R. This PPR Fiber pipe resolves the expansion and deformation issues caused by temperature variations in plastic piping systems, while offering higher pressure and temperature resistance along with excellent rigidity. It represents an ideal choice for modern building water supply, HVAC systems, solar pipeline networks, and industrial fluid transportation.
| Product Feature
● Ultra-Low Linear Expansion Coefficient: With a linear expansion coefficient of only 20%-30% that of ordinary PP-R pipes—approaching that of metal pipes—PPR Fiber pipe completely resolves the bending and expansion issues traditional plastic pipes face with hot water, delivering a more aesthetically pleasing and safer piping system.
● Superior Rigidity Support: The middle glass fiber layer in PPR Fiber pipe significantly enhances pipe rigidity, effectively preventing sagging during long-distance suspended installations. This allows for reduced fixed support points, thereby lowering overall project costs.
● Resistant to low temperature and high pressure resistance:It has high impact resistance in low temperature. In the same condition, PP-R fibre pipe has higher pressure resistance.
I Technical Data
Parameter | Specification |
Product Structure | Three-layer co-extrusion: inner/outer PP-R + middle glass fiber reinforced composite layer |
Material Standard | FR/PP-R (Glass Fiber Reinforced Polypropylene Random Copolymer) for PPR Fiber pipe |
Temperature Range | Long-term operating: 95°C; Short-term maximum: 100°C |
Linear Expansion Coefficient | 0.03-0.05 mm/(m·K), approximately 20%-30% of standard PP-R |
Size Range | Nominal outer diameter dn20mm to dn160mm (larger diameters customizable for certain PPR Fiber pipe specifications) |
Connection Method | Homogeneous material heat fusion |
Compliance Standards | ISO 15874, DIN 8077/8078 |
| Product Specification
SDR11/S5 | SDR9/S4 | SDR7.4/S3.2 | SDR6/S2.5 |
Dimension (mm) | Dimension (mm) | Dimension (mm) | Dimension (mm) |
20x2.0 | 20x2.3 | 20x2.8 | 20x3.4 |
25x2.3 | 25x2.8 | 25x3.5 | 25x4.2 |
32x3.0 | 32x3.6 | 32x4.4 | 32x5.4 |
40x3.7 | 40x4.5 | 40x5.5 | 40x6.7 |
50x4.6 | 50x5.5 | 50x6.9 | 50x8.3 |
63x5.8 | 63x7.1 | 63x8.6 | 63x10.5 |
75x6.9 | 75x8.4 | 75x10.1 | 75x12.5 |
90x8.2 | 90x10.1 | 90x12.3 | 90x15.0 |
110x10.0 | 110x12.3 | 110x15.1 | 110x18.3 |
160x14.6 | 160x17.9 | 160x21.9 | 160x26.6 |
| Application
● Premium Residential & Commercial Buildings: PPR Fiber pipe is particularly suitable for high-rise building hot/cold water supply, central heating, and underfloor heating systems, where low expansion characteristics effectively offset deformation stress in long pipelines.
● Solar & HVAC Systems: With exceptional high-temperature resistance, PPR Fiber pipe serves as an ideal companion product for solar water heaters, heat pump systems, and HVAC circulation pipelines.
● Exposed Piping Systems: High rigidity and low deformation rate make PPR Fiber pipe highly suitable for exposed piping projects with stringent aesthetic requirements.
| Comparison with Other Materials
● PPR Fiber pipe vs. Standard PP-R Pipe: PPR Fiber pipe, enhanced through glass fiber reinforcement, achieves several times higher rigidity with extremely low linear expansion coefficients, delivering system stability far superior to standard PP-R.
● PPR Fiber pipe vs. Metal Pipes (Galvanized/Stainless Steel): PPR Fiber pipe completely eliminates corrosion and scaling issues associated with metal pipes, ensuring superior water hygiene. Additionally, it offers lower installation costs, better thermal insulation, and requires no complex anti-corrosion treatments necessary for metal pipes.
● PPR Fiber pipe vs. PPRCT Pipe: Both represent improved versions of PP-R. PPRCT focuses on molecular structure modification, while PPR Fiber pipe enhances performance through physical composite reinforcement (glass fiber layer). PPR Fiber pipe demonstrates more direct and significant effects in reducing linear expansion coefficients and enhancing pipe rigidity, making it particularly suitable for exposed installations with extremely high straightness and aesthetic requirements.
| FAQ
1. Why is PPR Fiber pipe said to solve the “thermal expansion” problem of traditional PPR pipes?
● Answer: The middle glass fiber layer in PPR Fiber pipe acts like a skeleton structure, reducing the linear expansion coefficient by 70%-80%——fundamentally resolving the expansion and deformation issues of plastic pipes.
2. Is the installation method for PPR Fiber pipe the same as for ordinary PPR pipes?
● Answer: Yes, the installation method is identical for PPR Fiber pipe. It also uses heat fusion technology, requiring no new tools or training for installers. Using standard fusion welding equipment with the same operational parameters (time, temperature) ensures connection strength and reliability for PPR Fiber pipe.
3. Besides hot water applications, is PPR Fiber pipe suitable for residential cold water systems?
● Answer: Extremely suitable. With its high rigidity and deformation resistance, when used as main cold water lines—especially in exposed installations or within pipe shafts—PPR Fiber pipe maintains excellent straightness.
4. What are your product delivery times for PPR Fiber pipe?
● Answer: Stock items typically ship within 7 working days of order receipt. Custom PPR Fiber pipe orders depend on specific specifications and quantities, generally completing production and shipping within 15-25 working days.
5. Can PPR Fiber pipe be used in outdoor exposed environments?
● Answer: While some premium PPR Fiber pipe products have enhanced UV resistance through modification and can be used directly in open environments, as a general industry recommendation, for long-term exposure to direct sunlight, we still advise wrapping PPR Fiber pipe with UV protection (such as aluminum foil, tape winding or dedicated protective sleeves) to maximize pipe service life.
