China High Density Polyethylene Tubing Manufacturer, Supplier, Factory
High Density Polyethylene Tubing: The Premier Choice for Durable Fluid Transport
When specifying piping systems for demanding industrial, municipal, or environmental applications, selecting the right material is critical for long-term performance and cost-efficiency. High Density Polyethylene Pipe stands out as a superior solution, offering an exceptional combination of strength, flexibility, and chemical resistance. This specific type of Polyethylene Pipe is engineered from high-grade polymers, resulting in a material known for its high tensile strength and durability against impact and abrasion. The versatility of HDPE Tubing makes it suitable for a wide range of uses, from potable water distribution and gas pipelines to slurry transport and corrosive waste systems. Often referred to simply as Pe Pipe, its leak-free jointing capabilities, typically achieved through heat fusion, create a monolithic system that significantly reduces the risk of leaks and infiltration over its extensive service life, which can exceed 100 years.
Detailed Specifications of High Density Polyethylene Tubing
The performance of High Density Polyethylene Tubing is defined by its precise technical parameters. Its exceptional properties are a direct result of its high-density molecular structure, which provides a high strength-to-density ratio. This <产品名字> is inherently resistant to a wide spectrum of chemicals, including many acids, bases, and salts, making it an ideal choice for aggressive environments. Furthermore, its smooth internal surface ensures minimal friction loss, promoting efficient flow rates and reducing pumping costs. The material's flexibility allows for cost-effective installation, often with a reduced need for fittings, and it can withstand ground movement and seismic activity better than rigid alternatives.
Key Material Properties
- Density: 0.941 to 0.965 g/cm³
- Melt Flow Index (MFI): Varies by grade (e.g., 0.1 to 20 g/10 min)
- Tensile Strength at Yield: 20 - 30 MPa (2900 - 4350 psi)
- Elongation at Break: Typically exceeds 600%
- Hydrostatic Design Basis (HDB): 1600 psi at 73.4°F (23°C)
- Temperature Range: -60°F to 140°F (-50°C to 60°C) for continuous service
- Thermal Conductivity: 0.42 - 0.51 W/m·K
Standard Dimension Ratio (SDR) and Pressure Ratings
| SDR | Pressure Rating (psi) for Water at 73.4°F (23°C) | Minimum Wall Thickness (in) for 4" Pipe |
|---|---|---|
| SDR 7 | 315 | 0.571 |
| SDR 9 | 250 | 0.444 |
| SDR 11 | 200 | 0.364 |
| SDR 13.5 | 160 | 0.296 |
| SDR 17 | 125 | 0.235 |
| SDR 21 | 100 | 0.191 |
Common Sizes and Applications
| Nominal Size (inches) | Outside Diameter (inches) | Common Applications |
|---|---|---|
| 1/2" - 2" | 0.625 - 2.375 | Residential water service, chemical transfer, compressed air lines |
| 3" - 8" | 3.125 - 8.625 | Municipal water mains, industrial process piping, mining dewatering |
| 10" - 24" | 10.125 - 24.000 | Large-diameter water transmission, sewer force mains, landfill leachate collection |
| 24" and larger | > 24.000 | Major infrastructure projects, marine outfalls, river intakes |
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