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Drainage Pipe Series
HDPE Double Wall Corrugated Pipe
Standard: GB/T 19427.1-2019
1.Size: OD20-1600mm(1/2inch-63inch).
2.Pressure: PN32-SDR6, PN25-SDR7.4, PN20-SDR9, PN16-SDR11, PN12.5-SDR13.6, PN10-SDR17, PN8-SDR21, PN6-SDR26, PN5-SDR33, PN4-SDR41.
3.Material: PE63, PE80, PE100, PE4710, PE3608, PE3408, PE100RC.
4.Length: 5.8M/11.8M. Coil Length 100m-200m A Roll for DN20-90mm.
5.Applications: Water Supply, Mining, Dredging, Marine, Irrigation, Industry, Chemical and Drainage for Municipal Gardens etc.
6.Standard: ISO 4427, ISO 8772, GB/T 13663, EN 12201, AS/NZS 4130, DIN 8074/8075, GOST 18599, DIPS, IPS, ASTM 3035, ASTM F714, etc.
7.Delivery: 10-20 days depending on the total quantity.
- Introduction
- Feature
- Specification
- Physical Parameter
- Application
- Download
Introduction
Double-wall corrugated pipes are made of high-density polyethylene (HDPE), featuring a smooth inner wall and a corrugated outer wall. Entirely black with high UV resistance, these pipes are also equipped with slots for groundwater drainage. Available in fixed lengths, they come in a diameter range (DN/OD) from 125 mm to 1200 mm and are widely used in underground drainage systems.
Description of HDPE Double Wall Corrugated Pipe
High-density polyethylene (HDPE) double-wall corrugated pipe is a new-type piping product characterized by a smooth inner wall and a corrugated outer wall structure. It is an eco-friendly product that combines the corrosion resistance of plastic with the toughness of steel.
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Feature
Benefits of HDPE Double Wall Corrugated Pipe
100% New raw materials
Strictly control the specifications
Customized production available
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● Unique structural design with excellent external pressure resistance, impact resistance and ring flexibility.
● Smooth inner wall ensures low friction, allowing larger flow rates for pipes of the same inner diameter.
● Adopting socket-type flexible joints, it features convenient installation, high connection reliability and effective leak prevention.
● Lightweight design enables rapid construction and cost reduction.
● Buried service life exceeds 50 years.
● Crafted from green and eco-friendly raw materials, it is non-toxic, non-corrosive, non-scaling and fully recyclable.
● Made of polyethylene, a non-polar hydrocarbon polymer, the pipe is resistant to acid and alkali corrosion.
● Wide temperature tolerance range: the pipe will not crack even at -60℃, and the maximum temperature of the conveying medium can reach 60℃.
● Overall engineering cost is roughly equivalent to that of concrete pipes, with lower long-term operation costs.
● No special foundation is required when laid on stable soil.
Specification
| The dimensions of the outer diameter series of pipes | |||||
| Norminal Inner Diameter DN(mm) | Min Average Inner Diameter | Minimum Laminated Wall Thickness | Minimum Inner Wall Thickness | Minimum Outer Wall Thickness | Minimum Coupling Length |
| 100 | 95 | 1.0 | 0.8 | 0.7 | 32 |
| 125 | 120 | 1.2 | 1.0 | 0.8 | 38 |
| 150 | 145 | 1.3 | 1.0 | 0.8 | 43 |
| 200 | 195 | 1.5 | 1.1 | 0.9 | 54 |
| 225 | 220 | 1.7 | 1.4 | 0.9 | 55 |
| 250 | 245 | 1.8 | 1.5 | 1.0 | 59 |
| 300 | 294 | 2.0 | 1.7 | 1.0 | 64 |
| 400 | 392 | 2.5 | 2.3 | 1.4 | 74 |
| 500 | 490 | 3.0 | 3.0 | 1.8 | 85 |
| 600 | 588 | 3.5 | 3.5 | 2.1 | 96 |
| 800 | 785 | 4.5 | 4.5 | 2.7 | 118 |
| 1000 | 985 | 5.0 | 5.0 | 3.0 | 140 |
| 1200 | 1185 | 5.0 | 5.0 | 3.0 | 162 |
| The dimensions of the outer diameter series of pipes | |||||
| Norminal Inner Diameter DN(mm) | Min Average Inner Diameter | Minimum Laminated Wall Thickness | Minimum Inner Wall Thickness | Minimum Outer Wall Thickness | Minimum Coupling Length |
| 100 | 95 | 1.0 | 0.8 | 0.7 | 32 |
| 125 | 120 | 1.2 | 1.0 | 0.8 | 38 |
| 150 | 145 | 1.3 | 1.0 | 0.8 | 43 |
| 200 | 195 | 1.5 | 1.1 | 0.9 | 54 |
| 225 | 220 | 1.7 | 1.4 | 0.9 | 55 |
| 250 | 245 | 1.8 | 1.5 | 1.0 | 59 |
| 300 | 294 | 2.0 | 1.7 | 1.0 | 64 |
| 400 | 392 | 2.5 | 2.3 | 1.4 | 74 |
| 500 | 490 | 3.0 | 3.0 | 1.8 | 85 |
| 600 | 588 | 3.5 | 3.5 | 2.1 | 96 |
| 800 | 785 | 4.5 | 4.5 | 2.7 | 118 |
| 1000 | 985 | 5.0 | 5.0 | 3.0 | 140 |
| 1200 | 1185 | 5.0 | 5.0 | 3.0 | 162 |
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Please contact us by email: sales@hengdepipes.com or WhatsApp: +86 15265578500.
Physical Parameter
| Physical and Mechanical Properties GB/T 19472.1-2019 |
|||
| Items | Requirement | Test methods | |
| Ring Stiffness (kN/m2) |
SN4 | ≥4 | GB/T 9647-2015 |
| SN6.3 | ≥6.3 | ||
| SN8 | ≥8 | ||
| SN10 | ≥10 | ||
| SN12.5 | ≥12.5 | ||
| SN16 | ≥16 | ||
| Impact Property (TIR) /% | ≤10 | GB/T 14152-2001 | |
| Circular Flexibility | The pipe has no cracks, the two walls are not separated, and the inner wall has no reverse bending. | ISO 13968:2008 | |
| Oven Test | No delamination, no cracking | 8.7 | |
| Density (kg/m3) | ≤1180 | GB/T 1033.1-2008 | |
| Oxidation Induction Time (200℃) /min |
≥20 | GB/T 19466.6-2009 | |
| Creep Ratio | ≤4 | GB/T 18042-2000 | |
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Please contact us by email: sales@hengdepipes.com or WhatsApp: +86 15265578500.
Application
● Drainage Systems
Ideal for stormwater and subsurface drainage systems, thanks to their high flow rate capacity and excellent corrosion resistance.
● Sewer Systems
Well-suited for sanitary sewer and wastewater systems. Their corrosion resistance and smooth inner walls help maintain steady flow and minimize blockages.
● Culverts
Applied as culverts to channel water underneath roads, railways, and embankments.
● Landfill Leachate Collection
Utilized in landfill sites to collect and transport leachate (liquid waste) away from the disposal area.
● Utility Ducts
Served as protective ducts for laying utility lines including electrical conduits and fiber optic cables.
● Agricultural Drainage
Adopted by farmers for subsurface drainage in agricultural fields to manage excess water and optimize soil conditions.
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Please contact us by email: sales@hengdepipes.com or WhatsApp: +86 15265578500.
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