In the demanding world of drainage infrastructure, from pressurized systems to high-standard gravity flow applications, choosing the right piping material is critical for long-term performance, cost-effectiveness, and environmental sustainability. SIFFO Pipe, as a premier manufacturer and supplier of High-Density Polyethylene (HDPE) pipes, offers engineered solutions that excel where it matters most.
Why HDPE Pipes Are Ideal for Modern Drainage Projects
High-Density Polyethylene (HDPE) pipe represents a significant advancement over traditional materials like concrete, clay, or PVC. Its unique molecular structure provides a combination of properties perfectly suited for both pressurized drainage (force mains, outfalls, landfill leachate) and high-performance gravity flow systems (sewer mains, stormwater management, highway drainage).
Product Name | SIFFO Poly Drain Pipe |
Specification | DN20 - DN1600mm |
Pressure | SDR7.4-PN25,SDR9-PN20, SDR11-PN16, SDR13.6-PN12.5, SDR17-PN10, SDR21-PN8, SDR26-PN6 |
Raw Material | PE80 PE100 PE100-RC |
Standards | ISO 4427, AS/NZS 4130, BS EN 12201,DIN 8077 |
Application | Urban drink water supply |
Agricultural irrigation. | |
Sewage discharge. | |
Landscape garden water supply | |
Electrical Cable threading. | |
Connection | Butt fusion Welding, Electrofusion Welding |
Color | Black or Customized |
Key Characteristics of SIFFO HDPE Pipes
Exceptional Durability & Impact Resistance: HDPE maintains toughness across a wide temperature range, resisting damage during transport, installation, and service.
Superior Corrosion and Chemical Resistance: Impervious to electrochemical corrosion and highly resistant to aggressive soils and effluents, ensuring a long service life exceeding 100 years.
Leak-Free Joints: The use of heat-fused joints creates monolithic, permanent seals that are as strong as the pipe itself, eliminating infiltration and exfiltration—a crucial factor for environmental protection and system efficiency.
Outstanding Hydraulic Performance: A smooth inner surface (low Hazen-Williams C-factor) maintains high flow capacity over time, reducing pumping costs and minimizing scaling or biofilm adhesion.
Flexibility and Seismic Resilience: HDPE can withstand ground movement, settlement, and seismic activity without failure, reducing the need for fittings and simplifying installation around obstacles.
Application
For Pressurized Drainage (Force Mains): Wastewater pipeline systems in wastewater treatment plants; wastewater collection in large industrial parks; basement toilets, kitchens, and laundry rooms; underground commercial spaces and subway stations; residential areas below the main municipal sewage pipes; ships and RVs.Our high-PN-rated pipes withstand constant pressure surges. The fused joint system guarantees zero leaks, protecting surrounding groundwater.
For Critical Gravity Sewers & Stormwater: Our SN-rated pipes ensure structural integrity under deep cover. The smooth bore minimizes blockages and maintains design flow rates, reducing long-term operational risks.
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SIFFO Pipe Advantages: Beyond the Material
Choosing SIFFO Pipe means partnering with a supplier that controls quality from raw material to finished product. Our in-house manufacturing ensures:
Consistent, Certifiable Quality: We utilize premium-grade, virgin PE100/PE100RC compounds, producing pipes that meet and exceed international standards (ISO, EN, ASTM). Each batch is rigorously tested.
Engineered for Project Success: We offer a comprehensive range of diameters, pressure ratings (PN), and stiffness classes (SN), including tailored solutions for specific project challenges like deep bury or high water tables.
Cost-Effectiveness Over Lifecycle: While competitive on initial price, our HDPE pipes deliver superior value through reduced installation time (lightweight, long lengths), lower maintenance costs, and unparalleled longevity.
Partner with SIFFO Pipe for your next drainage project. As your direct factory source, we are committed to providing not just a product, but a reliable, high-performance drainage system backed by expertise and unwavering support.
Technical and Logistics Support: Our team provides full technical documentation, jointing procedure training, and reliable delivery scheduling to keep your project on track.
Specifications
This specification table is based on PE100 raw material, ISO4427, GB/T 13663, AS/NZS 4130 standards
Pressure | PN 6 | PN 8 | PN 10 | PN 12.5 | PN16 | PN 20 | PN 25 |
SDR | SDR26 | SDR21 | SDR17 | SDR13.6 | SDR11 | SDR9 | SDR7.4 |
OD | Min Wall Thickness | ||||||
(mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) |
Φ20 | 2.30 | 2.30 | 3.00 | ||||
Φ25 | 2.30 | 2.30 | 3.00 | 3.50 | |||
Φ32 | 2.30 | 2.40 | 3.00 | 3.60 | 4.40 | ||
Φ40 | 2.30 | 2.40 | 3.00 | 3.70 | 4.50 | 5.50 | |
Φ50 | 2.30 | 2.40 | 3.00 | 3.70 | 4.60 | 5.60 | 6.90 |
Φ63 | 2.50 | 3.00 | 3.80 | 4.70 | 5.80 | 7.10 | 8.60 |
Φ75 | 2.90 | 3.60 | 4.50 | 5.60 | 6.80 | 8.40 | 10.30 |
Φ90 | 3.50 | 4.30 | 5.40 | 6.70 | 8.20 | 10.40 | 12.30 |
Φ110 | 4.20 | 5.30 | 6.60 | 8.10 | 10.00 | 12.30 | 15.10 |
Φ125 | 4.80 | 6.00 | 7.40 | 9.20 | 11.40 | 14.00 | 17.10 |
Φ140 | 5.40 | 6.70 | 8.30 | 10.30 | 12.70 | 15.70 | 19.20 |
Φ160 | 6.20 | 7.70 | 9.50 | 11.80 | 14.60 | 17.90 | 21.90 |
Φ180 | 6.90 | 8.60 | 10.70 | 13.30 | 16.40 | 20.10 | 24.60 |
Φ200 | 7.70 | 9.60 | 11.90 | 14.70 | 18.20 | 22.40 | 27.40 |
Φ225 | 8.60 | 10.80 | 13.40 | 16.60 | 20.50 | 25.20 | 30.80 |
Φ250 | 9.60 | 11.90 | 14.80 | 18.40 | 22.70 | 27.90 | 34.20 |
Φ280 | 10.70 | 13.40 | 16.60 | 20.60 | 25.40 | 31.30 | 38.30 |
Φ315 | 12.10 | 15.00 | 18.70 | 23.20 | 28.60 | 35.20 | 43.10 |
Φ355 | 13.60 | 16.90 | 21.10 | 26.10 | 32.20 | 39.70 | 48.50 |
Φ400 | 15.30 | 19.10 | 23.70 | 29.40 | 36.30 | 44.70 | 54.70 |
Φ450 | 17.20 | 21.50 | 26.70 | 33.10 | 40.90 | 50.30 | 61.50 |
Φ500 | 19.10 | 23.90 | 29.70 | 36.80 | 45.40 | 55.80 | |
Φ560 | 21.40 | 26.70 | 33.20 | 41.20 | 50.80 | 62.50 | |
Φ630 | 24.10 | 30.00 | 37.40 | 46.30 | 57.20 | 70.30 | |
Φ710 | 27.20 | 33.90 | 42.10 | 52.20 | 64.50 | 79.30 | |
Φ800 | 30.60 | 38.10 | 47.40 | 58.80 | 72.60 | 89.30 | |
Φ900 | 34.40 | 42.90 | 53.30 | 66.20 | 81.70 | ||
Φ1000 | 38.20 | 47.70 | 59.30 | 72.50 | 90.20 | ||
Φ1200 | 45.90 | 57.20 | 67.90 | 88.20 | |||
Φ1400 | 53.50 | 66.70 | 82.40 | 102.90 | |||
Φ1600 | 61.20 | 76.20 | 94.10 | 117.60 | |||
Performance Index
Item | Index | |
Elongation at break,% | >=350 | |
Longitudinal reversion (110℃),% | =<3 | |
Oxidation induction time (200℃),min | >=20 | |
Hydrostatic strengt | 20℃,100h | No cracking,no leakage |
PE80 10.0MPa | ||
PE100 12.4MPa | ||
80℃,165h | No cracking,no leakag | |
PE80 4.6MPa | ||
PE100 5.5MPa | ||
80℃,1000h | No cracking,no leakag | |
PE80 4.0MPa | ||
PE100 5.0MPa | ||