PN2.0 UHMWPE Lined Steel Pipe for Mining Slurry
Industrial mining flotation, tailings disposal, and metallurgical ore dressing require highly reliable pipeline solutions. High pressure combined with acute abrasive slurry transportation inevitably leads to premature pipe wear and failure. Our PN2.0 UHMWPE Lined Steel Pipe is specifically designed to tackle these harsh conditions, combining the heavy-duty rigid strength of outer steel pipes with the ultimate wear and corrosion resistance of inner Ultra-High Molecular Weight Polyethylene (UHMWPE) liners.
Request Customized UHMWPE Lined Pipe Specifications & Factory Quote
Contact our application engineers to calculate the exact steel shell thickness, liner thickness, and flange configurations matching your mining slurry or dredging projects.
Key Technical Advantages of UHMWPE Lined Steel Pipe
1. Ultimate Abrasion & Wear Resistance
The interior liner is made of premium Ultra-High Molecular Weight Polyethylene, which possesses an exceptionally high molecular mass. Its wear resistance is 4 to 7 times higher than carbon steel and stainless steel when handling solid-liquid mixtures like iron ore slurry, copper tailings, and gold sands.
2. PN2.0 High Working Pressure Capacity
While pure plastic pipes fail or deform under high-pressure conditions, our composite structure leverages a heavy-duty outer carbon steel shell. This guarantees a stable PN2.0 MPa rating, allowing safe operation during long-distance slurry booster transport without risks of pipe bursting or sagging.
3. Non-Scaling & Excellent Flow Efficiency
The UHMWPE inner surface is ultra-smooth with a minimal friction coefficient. It prevents sticky mining chemical reagents, lime slurry, or acid-base wastes from forming scales or crusts on the inner wall. This dramatically minimizes friction head loss and reduces pumping energy consumption by up to 20%.
Technical Specification Chart
| Technical Parameter | Standard Configuration & Ranges |
|---|---|
| Nominal Diameter (Sizes) | DN50 to DN1000 Available (DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN400, DN450, DN500, DN600, DN700, DN800, DN1000) |
| Working Pressure (Rating) |
PN2.0 Range: 2.0 MPa | 20 Bar | 290 PSI *Custom higher ratings (up to PN4.0) are available upon request. |
| Pipe Length Options | Standard Sizes: 6M / 9M / 12M Imperial Equivalents: 10ft / 20ft / 30ft (Fully customizable length specs to minimize field joints) |
| Liner Material | 100% Virgin Ultra-High Molecular Weight Polyethylene (UHMWPE) |
| Outer Steel Shell | Carbon Steel (Q235B, Q355B, API 5L, Seamless or Welded Options) |
| Connection Type | Loose Flange Connection, Welded Flange Ends, or Custom Grooved Joints |
| Working Temperature | -30°C to +80°C |
Primary Mining & Slurry Applications
- Metal Mining Tailings: Long-distance transit systems for iron ore, copper ore, gold, and phosphate slurries.
- Coal Processing Plants: Heavy medium coal washing pipelines, slime transportation, and coal water slurry networks.
- Dredging Engineering: River and ocean dredging operations involving high-density sand, silt, and gravel mixtures.
- Power Plants: High-pressure fly ash and bottom ash disposal pipelines under circular water configurations.