About 180MM HDPE WATER PIPE SDR-21

180MM HDPE PIPE SDR-21 DESCRIPTION

The 180MM HDPE Pipe SDR-21 is a high-quality, durable, and cost-effective piping solution manufactured from premium grade High-Density Polyethylene (HDPE). Designed with a Standard Dimension Ratio (SDR) of 21, this pipe is suitable for low to medium pressure applications, offering an excellent balance of strength, flexibility, and long service life.

This pipe is widely used in water supply systems, irrigation networks, and underground cable protection due to its superior resistance to corrosion, chemicals, and environmental stress cracking. Its lightweight structure ensures ease of handling and installation, reducing overall project time and cost.

The pipe features a smooth inner surface that minimizes friction losses, ensuring efficient flow and improved system performance. It is also UV stabilized, making it suitable for both underground and above-ground applications.

Key Features

• Strong and flexible construction
• Excellent corrosion and chemical resistance
• Lightweight and easy to install
• Smooth inner surface for efficient flow
• Leak-proof jointing systems
• UV stabilized for outdoor use
• Long service life (50+ years)

Technical Specifications

• Size: 180MM (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 ducting
• Industrial fluid transportation
• Municipal and rural water distribution networks

FAQs 180MM HDPE PIPE SDR-21

Q1. What does SDR-21 indicate?

SDR-21 represents the ratio between pipe diameter and wall thickness, indicating suitability for low-pressure applications.

Q2. What is the pressure rating of 180MM SDR-21 pipe?

It is typically rated at PN 6, suitable for low to medium pressure systems.

Q3. Where is this pipe commonly used?

It is widely used in:

• Irrigation
• Water supply
• Cable ducting
• Drainage systems

Q4. Is this pipe suitable for underground installation?

Yes, it is highly suitable due to its flexibility and resistance to soil stress.

Q5. Is it safe for potable water supply?

Yes, when manufactured using approved materials, it is safe for drinking water applications.

Q6. What is the expected lifespan?

The pipe has a lifespan of 50 years or more under normal operating conditions.

Q7. What jointing methods are used?

• Butt fusion
• Electrofusion
• Compression fittings

Q8. Does it corrode or rust?

No, HDPE pipes are completely resistant to corrosion and rust.

Q9. Why choose SDR-21 pipes?

They are economical and ideal for applications where high pressure resistance is not required.

Q10. Does it require maintenance?

Minimal maintenance is required due to its durable and non-reactive nature.