2-wall HDPE spiral pipe DN 1000
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2-wall HDPE spiral pipe DN 1000

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D1000 Double-Wall HDPE Pipe is a premier heavy-duty drainage and sewage solution manufactured from high-density polyethylene in accordance with TCVN 8850:2011 and TCVN 9070:2012 standards. Featuring an extruded double-wall structure (smooth inner wall and spiral corrugated outer wall), it delivers superior load capacity, exceptional chemical resistance, 100% leak-tight joints, and a service life of up to 50 years, effectively replacing conventional concrete and steel pipes.

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D1000 Double-Wall HDPE Pipe – Comprehensive Drainage Solution for Large-Scale Infrastructure

In modern urban and industrial infrastructure projects, conveying large-volume flows requires a piping system with wide diameter and outstanding underground structural strength. D1000 Double-Wall HDPE Pipe serves as the optimal replacement for heavy concrete and metallic pipes thanks to its superior operational and installation advantages.

1. Key Technical Specifications

  • Standards: Compliant with TCVN 8850:2011 and TCVN 9070:2012.

  • Nominal Size: D1000 (1000mm nominal diameter).

  • Raw Material: High-Density Polyethylene (HDPE) virgin resin.

  • Wall Structure: Co-extruded double walls with spiral hollow ribs — smooth inner surface for low friction and a corrugated outer structure for load bearing.

  • Pipe Length: Up to 10m per segment or customized upon project requirements and transport feasibility.

  • Jointing Method: Thermal welding sleeve wrapped with an outer stainless steel clamp.

2. Outstanding Advantages of D1000 Double-Wall HDPE Pipe

  • High Compression & Impact Strength: The hollow-ribbed double-wall structure distributes external loads evenly, withstanding ground pressure and heavy traffic loads without deformation.

  • Superior Hydraulic Performance: The ultra-smooth inner wall minimizes fluid friction, maximizing flow capacity and preventing sediment accumulation.

  • Chemical & Abrasion Resistance: Highly resistant to acids, alkalis, saline water, organic sewage, and high-abrasion particulate matter.

  • 100% Watertight Joint: Sealed with heat-fusion bands and stainless steel clips, preventing internal leaks and underground water infiltration.

  • 50-Year Service Life: Extremely durable when buried under standard conditions, significantly reducing maintenance and replacement costs.

  • Cost-effective Installation: Lightweight design enables easy transport, simple maneuvering, and lower equipment/labor costs compared to concrete conduits.

3. Practical Applications

The D1000 pipe is widely utilized in:

  • Large-scale stormwater and municipal wastewater collection systems in urban areas.

  • Main drainage lines for industrial zones, export processing areas, and mining sites.

  • Critical transport infrastructure: highways, airports, sports complexes, and public squares.

  • Main irrigation canals and aquaculture water supply and drainage networks.