About 90MM HDPE WATER PIPE SDR-21
90MM HDPE PIPE SDR-21 DESCRIPTION
The 90MM HDPE Pipe SDR-21 is a durable and economical piping solution manufactured from high-quality High-Density Polyethylene (HDPE). Designed with a Standard Dimension Ratio (SDR) of 21, this pipe is ideal for low to medium pressure applications, offering excellent flexibility, strength, and long-term performance.
This pipe is widely used in water supply systems, agricultural irrigation, and cable ducting applications. Its superior resistance to corrosion, chemicals, and environmental stress ensures reliable operation even in challenging conditions.
The pipe features a smooth inner surface, which minimizes friction losses and enhances flow efficiency. It is also UV stabilized, making it suitable for both underground and above-ground installations.
Key Features
High strength with flexible structure
Corrosion and chemical resistant
Lightweight and easy to handle
Smooth inner surface for improved flow
Leak-proof jointing systems
UV resistant for outdoor use
Long service life (50+ years)
Technical Specifications
Size: 90MM (Outer Diameter)
Material: HDPE (PE 63 / PE 80 / PE 100)
SDR: 21
Pressure Rating: PN 6 (approx.)
Jointing Methods: Butt fusion / Electrofusion / Compression fittings
Applications
Agricultural irrigation systems
Drinking water supply pipelines
Underground cable protection
Industrial fluid transfer
Municipal and rural water distribution
FAQs 90MM HDPE PIPE SDR-21
Q1. What does SDR-21 mean?
SDR-21 indicates the ratio between pipe diameter and wall thickness, making it suitable for low-pressure applications.
Q2. What is the pressure rating of 90MM SDR-21 pipe?
It is generally rated at PN 6, ideal for low to medium pressure systems.
Q3. Where is this pipe commonly used?
It is widely used in:
Irrigation
Water supply
Cable ducting
Drainage applications
Q4. Is the pipe suitable for underground installation?
Yes, it is highly suitable due to its flexibility and resistance to soil loads.
Q5. Is it safe for potable water supply?
Yes, when manufactured with approved materials, it is safe for drinking water use.
Q6. What is the expected lifespan?
The pipe can last 50 years or more under normal conditions.
Q7. What jointing methods are used?
Butt fusion
Electrofusion
Compression fittings
Q8. Does it corrode over time?
No, HDPE pipes are completely resistant to corrosion and rust.
Q9. Why choose SDR-21 pipes?
They are cost-effective and ideal for applications where high pressure is not required.
Q10. Does it require maintenance?
Minimal maintenance is required due to its durable and non-reactive properties.