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HDPE Large Diameter Pipe

Large diameter HDPE pipe for trunk water mains and industrial applications. High flow capacity.

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Product Overview

Large diameter HDPE pipe manufactured from PE100 for trunk water mains and industrial applications. High flow capacity and low friction loss make it an economical choice for major transmission lines.

Quick Information

  • Type: Large Diameter Pipe
  • Material: HDPE PE100
  • Standard: ISO 4427
  • Application: Water trunk mains, industry
  • Pressure Rating: PN6 – PN16
  • Size: DN315 – DN2000
  • Stock: Made to order

Specification Table

DN (mm) OD (mm) SDR11 (PN16) Wall (mm) SDR17 (PN10) Wall (mm) SDR21 (PN6) Wall (mm)
315 315 28.6 18.7 15.0
400 400 36.3 23.7 19.1
450 450 40.9 26.7 21.5
500 500 45.4 29.7 23.9
630 630 57.2 37.4 30.0
710 710 64.5 42.1 33.8
800 800 72.6 47.4 38.1
1000 1000 90.9 59.3 47.7
1200 1200 109.1 71.4 57.2

Key Features

  • High Flow Capacity: Large bore with smooth inner wall maximizes flow and minimizes head loss.
  • Light Weight: Much lighter than steel or concrete pipe of equal diameter, reducing handling cost.
  • Long Lengths: Fewer joints mean faster installation and lower leak risk on long mains.
  • Long Service Life: Design life of 50+ years in water supply service.

Production

Manufactured with large-diameter extrusion lines and controlled cooling for uniform wall thickness. Critical parameters include ovality, wall thickness and hydrostatic pressure testing.

Applications

For trunk water mains, raw water transmission and large industrial piping. Application scenarios include municipal water networks, reservoir outlets and power plant cooling lines.

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