10x UHMWPE 20x HDPE Wear Resistant Pipe RTP Pipe Installation 50mm To 250mm
20x HDPE Wear Resistant Pipe
,10x UHMWPE Wear Resistant Pipe
,RTP Pipe Installation 50mm
10x UHMWPE 20x HDPE Wear Resistant Pipe RTP Pipe Installation 50mm To 250mm
Abrasion-Resistant RTP Pipe is a heavy-duty composite pipeline system specifically developed for dredging operations, marine construction, and coastal civil engineering projects. Engineered to convey high-density sand slurries, silt mixtures, gravel suspensions, and dredge spoils through demanding marine environments, it delivers far superior service life compared to steel dredge pipes and floating rubber hose assemblies.
The advanced multi-layer construction is optimized for the punishing conditions of marine sediment transport:
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Liner Pipe (Anti-Scouring Wear Layer): A co-extruded Polyolefin elastomer (POE) and HDPE compound creates an ultra-smooth, high-wear-resistant internal surface formulated to endure the sustained scouring action of quartz sand, rock fines, shell fragments, and abrasive sedimentary particles at high flow velocities.
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Reinforcement Layer: Helically wound, high-modulus aramid fiber tape provides exceptional tensile strength and cyclic fatigue resistance. This reinforcement absorbs dynamic surge pressures and pulsation loads typical in cutter suction dredger discharge lines and booster pump stations.
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Outer Jacket: A robust UV and saltwater-resistant HDPE outer layer protects against floating debris collisions, wave action abrasion, marine organism growth, and mechanical wear during pipeline deployment, retrieval, and shoreline repositioning.
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Dredging Engineering RTP Pipe Performance Characteristics |
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Advantages |
Descriptions |
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High pressure |
Multi-layer aramid tape winding thermally fuses the composite structure into a unified pressure containment vessel. Capable of sustaining continuous working pressures up to 20 MPa for deep-water dredging, long-distance slurry pumping, and high-head booster station discharge applications. |
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Corrosion-resistant |
Fully non-metallic polymer construction eliminates galvanic corrosion in seawater, brackish estuaries, and sulfide-rich marine sediments. Immune to marine borer organisms and electrolytic deterioration. Engineered for 20+ years of service in submerged, intertidal, and splash-zone installations. Lapped flange-end joint connections completely solve the problem of metallic connector corrosion. |
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Abrasion-resistant |
POE inner liner withstands sustained high-velocity abrasion from silica sand, crushed aggregate, mineral tailings, and dredged seabed materials. Delivers 10 times the operational wear life of UHMW-PE liners and over 100 times that of conventional carbon steel dredge pipelines under equivalent slurry transport conditions. |
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High conveying capacity |
Hydraulically smooth internal surface minimizes friction losses in heterogeneous slurry flow regimes. Achieves over 20% higher volumetric throughput compared to steel pipelines at equivalent pumping power, significantly reducing fuel consumption on board dredging vessels. |
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Spoolable &easy installation |
Continuous spoolable sections dramatically reduce flange connections along floating and submerged dredge pipelines, minimizing potential leak points in environmentally sensitive waterways. Lightweight flexible design enables rapid deployment, repositioning, and retrieval with standard marine handling equipment. |
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Abrasion-Resistant RTP Pipe Data Sheet |
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Norminal Pressure |
12MPa |
16MPa |
20MPa |
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Size |
2" |
4" |
6" |
8" |
10" |
2" |
4" |
6" |
8" |
2" |
4" |
6" |
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Pipe ID/mm |
50 |
100 |
150 |
200 |
250 |
50 |
100 |
150 |
200 |
50 |
100 |
150 |
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Minimum Wall Thickness/mm |
10 |
18 |
20 |
24 |
27 |
13 |
21 |
23 |
27.5 |
16 |
24 |
26 |
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Length/m |
1350 |
750 |
350 |
180 |
18.5 |
1300 |
700 |
320 |
180 |
1200 |
600 |
300 |
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