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High-Density Polyethylene (HDPE) pipes have been used for over 50 years in various projects and installations. Proper installation ensures their longevity and maximizes return on investment. Here are the technical benefits of HDPE pipes for users:

  1. Lightweight: Facilitates easier transportation, allowing for larger loads compared to other materials.
  2. Flexibility: Small diameter pipes can be inserted into larger pipes, simplifying installation.
  3. Bend Radius: Can bend up to 25-50 times the pipe’s outer diameter (OD).
  4. Hydraulic Capacity: Can accommodate a flow rate (C) of 150, with water velocities ranging from 200-400 meters per second.
  5. High Pressure Resistance: Can withstand pressures up to 16 bars.
  6. Temperature Resistance: Can endure temperatures from -40 to 60 degrees Celsius.
  7. Longevity: Service life of over 50 years.
  8. Chemical Resistance: Resistant to acids, bases, and chemicals, preventing corrosion and buildup.
  9. Installation: Can be installed by laying the pipes on the ground and then trenching afterward, minimizing costs.
  10. Welding: Welded joints are seamless, ensuring no leaks.
  11. Water Hammer Resistance: Excellent resistance to water hammer effects.
  12. Durability: Minimal to no issues in soil conditions or ground level changes.
  13. Fewer Fittings: Due to its flexibility, fewer fittings are needed, reducing installation time and costs.
  14. Impact Resistance: Highly resistant to impacts and can withstand sunlight exposure better than PVC or cement-lined pipes.

The welding methods for HDPE pipes include:

  1. Butt Fusion Welding
  2. Compression Fitting
  3. Electro Fusion
  4. Socket Fusion

Products Range

PipeWeho PipeHDPEOD-16-16003.2-25
Weho AquaHDPEOD-20-3210
Weho DuoHDPEOD-100-4000.1-0.65
Weho LiteHDPEOD-400-3,0000.1-0.65
TankWeho TankHDPEOD-1,200-3,000None

KWH offers a comprehensive range of HDPE pipe systems suitable for various applications, with diameters ranging from 16 mm to 1600 mm. These systems are designed to withstand pressures of up to 3500 m head and low pressures, making them suitable for a wide range of uses.

For example, KWH Pipe solutions are utilized in:

– Water distribution systems
– Gas distribution
– Mining operations
– Stormwater drainage
– Building and construction projects
– Road infrastructure

Furthermore, high-density polyethylene (PE-HD) remains a relatively unknown material for pipe systems in many parts of the world. However, KWH Pipe pioneered the production of PE-HD pipes in the early 1950s, helping plastic pipes capture most of the market in Northern Europe.

KWH Pipe products and services are tailored for municipal and infrastructure applications, including stormwater management, sanitary sewer systems, healthcare drainage, drinking water distribution, gravity sewer systems, and pressure water systems. The advantages of PE pipes and KWH Pipe solutions have enabled numerous projects, and with ongoing innovation, their scope of applications continues to expand, with proven benefits.

Weho Pipe

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Weho aqua

Weho Duo

Weho Lite

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