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DWC HDPE Pipe
Corrosion Resistant DWC HDPE Pipe SN4 SN8 HDPE Corrugated Pipe Double Wall

Corrosion Resistant DWC HDPE Pipe SN4 SN8 HDPE Corrugated Pipe Double Wall

Τόπος προέλευσης:ΚΙΝΑ
Ονομασία μάρκας:xinsen
Πιστοποίηση:ISO 9001:2015, GB/T19472.2-2004
Αριθμός μοντέλου:DWC-HD
Ελάχιστη ποσότητα παραγγελίας:Διαπραγματεύσιμος
Τιμή:USD 8-25 / Meter
Τυπική συσκευασία:Τυπική συσκευασία
Χρόνος Παράδοσης:7-15 Εργάσιμες Ημέρες
Όροι πληρωμής:L/C, D/A, D/P, T/T, Western Union, MoneyGram
Δυνατότητα Προμήθειας:50000 μέτρα το μήνα
Προδιαγραφές
Επισημαίνω:

Corrosion Resistant DWC HDPE Pipe

,

SN8 HDPE Corrugated Pipe Double Wall

,

SN4 HDPE Corrugated Pipe Double Wall
Ring stiffness:
SN4 ≥ 4 kN/m² ή SN8 ≥ 8 kN/m²
Wall structure:
Κυματοειδές εξωτερικό, λείο εσωτερικό
Material:
Πολυαιθυλένιο υψηλής πυκνότητας
Weight comparison:
1/8 τσιμεντένιου σωλήνα
Lifespan:
Υπέρβαση των 50 ετών
Flow efficiency:
n ≈ 0,009
Περιγραφή προϊόντων
High Durability Lightweight DWC HDPE Pipe For Highway And Railway Culvert Applications
HDPE Double Wall Corrugated Pipe

DWC HDPE Pipe (High-Density Polyethylene Double Wall Corrugated Pipe) represents a new generation of lightweight, high-strength plastic piping systems. Manufactured from premium high-density polyethylene resin, the pipe is co-extruded simultaneously with a corrugated outer wall and a smooth inner wall, creating an ideal solution for transportation infrastructure drainage.

Advanced Structural Design

The core innovation of the DWC HDPE pipe lies in its dual-layer composite structure:

  • Corrugated Outer Wall: Designed with a precise ring-structured wave pattern that acts like a built-in spring. This delivers exceptional ring stiffness (SN4 ≥ 4 kN/m² or SN8 ≥ 8 kN/m²), enabling the pipe to withstand heavy vehicular traffic loads and soil overburden in highway and railway environments without structural failure.
  • Smooth Inner Wall: An ultra-smooth interior surface that minimizes hydraulic friction. It maximizes flow rates, prevents silt or debris accumulation, and eliminates the risk of clogging, ensuring reliable long-term drainage performance under roadways and rail tracks.
Specifications Comparison
Feature Concrete Pipe (RCC) DWC HDPE Pipe Commercial / Project Benefit
Weight Extremely heavy; requires heavy cranes Ultra-lightweight (Approx. 1/8 of concrete) Drastically reduces freight and installation costs; can often be handled manually
Flow Efficiency Rough surface (n ≈ 0.013); prone to scaling Ultra-smooth (n ≈ 0.009); anti-scaling Higher discharge capacity; enables smaller pipe diameters or lower installation slopes
Flexibility Rigid and brittle; cracks easily under ground shifting Flexible pipeline system; deflects elastically Excellent seismic resistance; adapts to soil settlement without breaking
Chemical Resistance Corrodes easily in acidic soils or toxic sewage environments Chemically inert; resists acids, alkalis, and salts Longer lifespan with maintenance-free service exceeding 50 years
Applications
  • Highway Cross Drainage: Efficient culvert systems under expressways, national highways, and provincial roads for stormwater management
  • High-Speed Railway Subgrade: Reliable water drainage under high-speed rail tracks, ballast, and embankment structures
  • Bridge Approach Drainage: Lightweight culvert solutions for bridge approaches and interchange ramps where soil settlement is a concern
  • Tunnel and Underpass Systems: Corrosion-resistant drainage conduits for road tunnels and pedestrian underpasses
  • Airport Runoff Management: Stormwater collection and discharge systems for airport runways, taxiways, and aprons

With its combination of high load-bearing capacity, ease of installation, and structural longevity, the DWC HDPE Pipe is the ultimate cost-effective and eco-friendly piping solution for modern transportation infrastructure.

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