HDPE Mining Pipe
HDPE White Co-extruded Pipe
HDPE White Co-extruded Pipe is manufactured with a highly reflective white appearance and is increasingly used in the mining industry.
- Raw Materials: PE100, PE100RC
- Standards: ISO 4427 / EN 12201/ AS/NZS 4130
- Diameter range: DN20mm-2000mm
- Pressure Rating: SDR33-SDR7.4 (PN5-PN25)
- Certificates: UL, WRAS, NSF, ISO, CE
- Length: 5.8 length 20ft , 11.8-12m/L 40ft
- Color: Black with white exterior (Customized Color is available).
Email: info@phpipes.com · WhatsApp: +86 15903623547
HDPE White Co-extruded Pipe
PUHUI HDPE White Co-extruded Pipe adopts dual-layer co-extrusion technology with a reflective white outer layer, manufactured from virgin PE100/PE100-RC raw materials for above-ground piping projects.
Applications
✅️Above-ground municipal and temporary water supply
✅️Outdoor agricultural and landscape irrigation
✅️Mining water supply, drainage and slurry conveyance
✅️Industrial and chemical wastewater transmission
✅️Seawater desalination and outdoor water treatment
✅️Pipeline projects in high UV exposure areas
Advantages
- White co-extruded outer layer provides excellent UV resistance, prevents aging for above-ground installation
- Dual-layer structure, inner layer ensures stable hydraulic performance, outer layer offers weather protection
- Made from virgin PE100 / PE100-RC material, outstanding corrosion resistance and long service life
- Heat-fusion welded joints, leak-free connection, low maintenance cost
- Smooth inner surface reduces flow resistance and pumping energy consumption
- High flexibility, easy handling and installation
- White exterior reflects sunlight, lowers pipe surface temperature and reduces thermal deformation
For inquiries about UV resistance, pressure rating, sizes and lead time, send your requirements via the contact information below.Send Email: info@phpipes.com
WhatsApp: +86 15903623547
PUHUI HDPE Pipes & Fittings: Strengths and Support
①Direct manufacturer with large-scale production capacity (200,000 tons/year)
②Third-party inspection acceptable (SGS/BV/Intertek)
③OEM & branding support, project-specific customization available
④Free samples available with competitive pricing
⑤Space-saving nested loading to cut freight cost
⑥Eco-friendly manufacturing, advanced technology for superior performance
If you have any inquiry about HDPE Pipe and Fittings,Contact Us Now! Get A Free Quote Quickly!
Please Contact us to Get More Details or Price, Send Email: info@phpipes.com;WhatsApp: +86 15903623547
Welcome customers to visit the factory, or third party factory inspection is acceptable.
Product Specification
| Nominal Pressure PE 100 |
SDR 7.4 | SDR 9 | SDR 11 | SDR 13.6 | SDR 17 | SDR 21 | SDR 26 | SDR 33 |
| PN 25 | PN 20 | PN 16 | PN 12.5 | PN 10 | PN 8 | PN 6 | PN 5 | |
| Nominal Size DN (mm) | Min Wall (mm) | Min Wall (mm) | Min Wall (mm) | Min Wall (mm) | Min Wall (mm) | Min Wall (mm) | Min Wall (mm) | Min Wall (mm) |
| 20 | 3.0 | 2.3 | 2.0 | – | – | – | – | – |
| 25 | 3.5 | 3.0 | 2.3 | 2.0 | – | – | – | – |
| 32 | 4.4 | 3.6 | 3.0 | 2.4 | 2.0 | – | – | – |
| 40 | 5.5 | 4.5 | 3.7 | 3.0 | 2.4 | 2.0 | – | – |
| 50 | 6.9 | 5.6 | 4.6 | 3.7 | 3.0 | 2.4 | 2.0 | – |
| 63 | 8.6 | 7.1 | 5.8 | 4.7 | 3.8 | 3.0 | 2.5 | – |
| 75 | 10.3 | 8.4 | 6.8 | 5.6 | 4.5 | 3.6 | 2.9 | – |
| 90 | 12.3 | 10.1 | 8.2 | 6.7 | 5.4 | 4.3 | 3.5 | – |
| 110 | 15.1 | 12.3 | 10.0 | 8.1 | 6.6 | 5.3 | 4.2 | – |
| 125 | 17.1 | 14.0 | 11.4 | 9.2 | 7.4 | 6.0 | 4.8 | – |
| 140 | 19.2 | 15.7 | 12.7 | 10.3 | 8.3 | 6.7 | 5.4 | – |
| 160 | 21.9 | 17.9 | 14.6 | 11.8 | 9.5 | 7.7 | 6.2 | – |
| 180 | 24.6 | 20.1 | 16.4 | 13.3 | 10.7 | 8.6 | 6.9 | – |
| 200 | 27.4 | 22.4 | 18.2 | 14.7 | 11.9 | 9.6 | 7.7 | – |
| 225 | 30.8 | 25.2 | 20.5 | 16.6 | 13.4 | 10.8 | 8.6 | – |
| 250 | 34.2 | 27.9 | 22.7 | 18.4 | 14.8 | 11.9 | 9.6 | – |
| 280 | 38.3 | 31.3 | 25.4 | 20.6 | 16.6 | 13.4 | 10.7 | – |
| 315 | 43.1 | 35.2 | 28.6 | 23.2 | 18.7 | 15.0 | 12.1 | 9.7 |
| 355 | 48.5 | 39.7 | 32.2 | 26.1 | 21.1 | 16.9 | 13.6 | 10.9 |
| 400 | 54.7 | 44.7 | 36.3 | 29.4 | 23.7 | 19.1 | 15.3 | 12.3 |
| 450 | 61.5 | 50.3 | 40.9 | 33.1 | 26.7 | 21.5 | 17.2 | 13.8 |
| 500 | – | 55.8 | 45.4 | 36.8 | 29.7 | 23.9 | 19.1 | 15.3 |
| 560 | – | 62.5 | 50.8 | 41.2 | 33.2 | 26.7 | 21.4 | 17.2 |
| 630 | – | 70.3 | 57.2 | 46.3 | 37.4 | 30.0 | 24.1 | 19.3 |
| 710 | – | 79.3 | 64.5 | 52.2 | 42.1 | 33.9 | 27.2 | 21.8 |
| 800 | – | 89.3 | 72.6 | 58.8 | 47.4 | 38.1 | 30.6 | 24.5 |
| 900 | – | – | 81.7 | 66.1 | 53.3 | 42.9 | 34.4 | 27.6 |
| 1000 | – | – | 90.2 | 73.5 | 59.3 | 47.7 | 38.2 | 30.6 |
| 1200 | – | – | – | 88.2 | 71.1 | 57.2 | 45.9 | 36.7 |
| 1400 | – | – | – | 102.9 | 83.0 | 66.7 | 53.5 | 42.9 |
| 1600 | – | – | – | 117.5 | 94.8 | 76.2 | 61.2 | 49.0 |
| 1800 | – | – | – | – | 106.6 | 85.8 | 68.8 | 55.1 |
| 2000 | – | – | – | – | 118.5 | 95.3 | 76.4 | 61.2 |
PUHUI Advantages

Application Scenarios
- Potable water systems → (NSF-61 & WRAS Certificate)
- Fire Fighting System → (FM 1613 Approved)
- Oil and gas gathering
- Sewage systems
- Natural gas pipeline transmission→ (DVGW certificate)
- Power and communication systems
- Underground mine transportation
- River dredging
- Chemical fluid transportation
- Agricultural irrigation
- Aquaculture
Authoritative Certifications

Engineering Cases
Product: HDPE White Co-extruded Pipe DN450mm SDR11 PN16 Location: Madagascar

FAQ
Do you offer product samples?
Yes, test samples are available. If you would like to assess our products prior to placing bulk orders, you may submit a sample request. Please send your requirements to info@phpipes.com if you need samples.
What is your MOQ (minimum order quantity)?
We maintain stock for HDPE pipes and fittings of standard diameters and pressure ratings. Kindly send your RFQ to our sales team for further specifics.
What certifications do your products hold?
Our raw materials are certified with both WRAS and UL NSF 61. Our products have also undergone lab testing by authoritative bodies including NSF, Intertek, BV and SGS.
How do you guarantee product quality?
We have implemented a full‑fledged quality management system to consistently deliver premium‑grade materials to customers. Third‑party factory audits are welcomed. Reach out to info@phpipes.com to obtain documents such as QCP and ITP.
What is your annual production capacity?
Puhui Industry (Junnuo Pipeline) is a specialized manufacturer of HDPE and PVC pipes and fittings. We focus on the R&D, manufacturing and sales of plastic and metal‑based pipeline products. Our overall annual production capacity hits 200,000 tons.
What are your typical lead‑times?
Normal lead‑time stands at 15‑20 days. Exact lead‑time depends on individual order specifications and our production schedule. Standard‑spec items can be delivered faster, whereas custom‑made goods or large‑volume orders require more production time. We will provide an estimated delivery schedule once your order gets confirmed.
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