Dredge Pipeline is a high-performance slurry and sediment transport system designed for demanding marine and dredging operations. Manufactured using high-strength synthetic rubber compounds combined with multi-layer reinforcement structures such as steel wire spirals or high-tensile textile cords, this pipeline withstands both high internal pressure and external mechanical stress while maintaining flexibility and structural stability.
The specially formulated inner lining resists abrasion caused by sand, gravel, and other solid particles commonly encountered in dredging environments. The outer layer provides excellent resistance against UV radiation, seawater corrosion, and extreme weather conditions, ensuring long-term durability and reliability even in offshore or coastal environments.


A large-scale coastal reclamation project required continuous transport of sand slurry over long distances using a 10,000 m³ trailing suction hopper dredger. The existing pipeline system suffered from frequent abrasion damage and leakage, leading to significant downtime and increased maintenance costs.
After adopting Dredge Pipeline, the contractor experienced a marked improvement in operational performance. The enhanced abrasion-resistant inner lining reduced wear significantly, extending service intervals. The reinforced structure ensured stable operation under high pressure and heavy load conditions.
Over a six-month operation period, downtime was reduced by approximately 25%, and maintenance costs decreased by nearly 30%. The pipeline maintained consistent flow efficiency, contributing to faster project completion. The client reported high satisfaction and confirmed the solution's reliability for future projects.
| Material of Rubber | NR, NBR, SR, CR and etc |
| Material of Flange | Q235B carbon steel paint |
| Reinforcement Layer | Rubber, cord fabric and wire reinforcement |
| Size | 1/2" to 32" |
| Working Pressure | 5-22 Bar or As Request |
| Model Number | HMDH |
| Brand | Hongruntong Marine |
| Application | Water irrigation, mud dredging, water suction etc |
| Packing | Plastic Belt Packing |
| Working Temperature | -40 ℃ ~ +120 ℃ |
| Warranty | 36 Months |
| MOQ | 1 |
| Model | I.D. | W.P. | B.P. | Min Bending Radius | Wear Layer Thickness |
Length | |
| inch | mm | bar | bar | mm | mm | m | |
| HM-DP150 | 6 | 150 | 5-10 | 15-30 | 8D | 10-20 | 11.8 |
| HM-DP200 | 8 | 200 | 5-10 | 15-30 | 8D | 10-20 | 11.8 |
| HM-DP250 | 10 | 250 | 5-10 | 15-30 | 8D | 10-20 | 11.8 |
| HM-DP300 | 12 | 300 | 10-20 | 30-60 | 12D | 12-25 | 11.8 |
| HM-DP350 | 14 | 350 | 10-20 | 30-60 | 12D | 12-25 | 11.8 |
| HM-DP400 | 16 | 400 | 10-20 | 30-60 | 12D | 12-25 | 11.8 |
| HM-DP450 | 18 | 450 | 10-20 | 30-60 | 12D | 12-25 | 11.8 |
| HM-DP500 | 20 | 500 | 10-20 | 30-60 | 12D | 12-25 | 11.8 |
| HM-DP600 | 24 | 600 | 15-20 | 45-60 | 15D | 20-30 | 11.8 |
| HM-DP650 | 26 | 650 | 15-20 | 45-60 | 15D | 20-30 | 11.8 |
| HM-DP700 | 28 | 700 | 20-25 | 60-75 | 15D | 30-50 | 11.8 |
| HM-DP750 | 30 | 750 | 20-25 | 60-75 | 15D | 30-50 | 11.8 |
| HM-DP800 | 32 | 800 | 20-25 | 60-75 | 15D | 30-50 | 11.8 |
| HM-DP850 | 34 | 850 | 20-25 | 60-75 | 15D | 30-50 | 11.8 |
| HM-DP900 | 36 | 900 | 25-30 | 75-90 | 15D | 30-50 | 11.8 |
| HM-DP1000 | 40 | 1000 | 25-30 | 75-90 | 15D | 50-75 | 11.8 |
| HM-DP1100 | 44 | 1100 | 25-30 | 75-90 | 15D | 50-75 | 11.8 |


