Anti Wear Corrosion Resistant Durable Dredging Rubber Hose for Slurry Transport
Hongruntong Marine Dredging Rubber Hose is engineered for high-load slurry transportation systems used in offshore engineering, mining operations, deep dredging projects, and large-scale coastal infrastructure development. The hose is constructed with high-strength synthetic rubber, multi-layer textile reinforcement, and steel wire reinforcement to ensure stable performance under continuous high-pressure and high-abrasion working conditions.
It is designed for transporting highly abrasive media such as sand, gravel, slurry, clay, mud, and mining tailings. The inner lining uses advanced wear-resistant rubber compounds to reduce internal erosion caused by continuous high-speed particle flow. The outer cover is built with marine-grade protective materials that resist seawater corrosion, UV radiation, ozone aging, and mechanical impact.
Compared with standard industrial hoses, it provides significantly improved pressure stability, longer service life, and reduced maintenance requirements. It performs reliably under fluctuating pumping conditions commonly found in dredging vessels, floating pipelines, and long-distance slurry transfer systems.
The hose is available in customized diameters, pressure ratings, and end connections, making it compatible with cutter suction dredgers, booster stations, mining pipelines, and offshore reclamation systems. It is widely used in port construction, river dredging, offshore land reclamation, and mining slurry transportation projects requiring continuous operation and high reliability.
Long distance slurry transfer system upgrade for a coastal mining export terminal in West Africa required a stable long-distance slurry transport system to move iron ore tailings from inland processing facilities to offshore loading points. The system operated under continuous high-solid content flow with strong abrasive particle concentration, creating severe wear on existing pipeline equipment.
The previous hose system experienced frequent internal abrasion failure, leakage issues, and unstable pressure control, which led to repeated shutdowns and disrupted export schedules. Maintenance costs increased significantly due to constant replacement requirements. Hongruntong Marine supplied reinforced Dredging Rubber Hoses designed with upgraded abrasion-resistant inner layers and high-strength multi-layer reinforcement structures.
The system was optimized for continuous 24-hour slurry transfer under long-distance pumping conditions. After installation, the pipeline system achieved more stable pressure distribution and improved flow consistency. Hose service life was significantly extended, and maintenance intervals were reduced, resulting in lower downtime and improved export efficiency. The project team confirmed that the system maintained stable performance under high-density slurry conditions, ensuring continuous operation and improving overall terminal productivity.

| Name | Dredging Rubber Hose |
| Nominal Bores | From 150mm (6") to 1200mm (47") |
| Length | Up to 11.8 Metres (38ft) |
| Working Pressure | Up to 20 bar |
| Safety Factor | 4:1 |
| Flange Options | Fixed, Swivel, Double-Flange and Built-in-Nipple Designs |
| Features | Heavy-Duty Robust Construction Designed to Handle Large Dredged Particles Hoop-Ring or Spring-Wire-Helix Construction for Flexibility or Full Vacuum During Service Tailor-Made Designs, Including Self-Floater, Suction Dredge Hose and Flexible Discharge Hoses Suitable for Slurries Containing Rock, Shell and Coral |
| Model | I.D. (inch) | I.D. (mm) | W.P. (bar) | B.P. (bar) | Min Bending Radius(mm) | Wear Layer Thickness (mm) | Length (m) |
|---|---|---|---|---|---|---|---|
| HM-DHP150 | 6 | 150 | 5-10 | 15-30 | 8D | 10-20 | 11.8 |
| HM-DHP200 | 8 | 200 | 5-10 | 15-30 | 8D | 10-20 | 11.8 |
| HM-DHP250 | 10 | 250 | 5-10 | 15-30 | 8D | 10-20 | 11.8 |
| HM-DHP300 | 12 | 300 | 10-20 | 30-60 | 12D | 12-25 | 11.8 |
| HM-DHP350 | 14 | 350 | 10-20 | 30-60 | 12D | 12-25 | 11.8 |
| HM-DHP400 | 16 | 400 | 10-20 | 30-60 | 12D | 12-25 | 11.8 |
| HM-DHP450 | 18 | 450 | 10-20 | 30-60 | 12D | 12-25 | 11.8 |
| HM-DHP500 | 20 | 500 | 10-20 | 30-60 | 12D | 12-25 | 11.8 |
| HM-DHP600 | 24 | 600 | 15-20 | 45-60 | 15D | 20-30 | 11.8 |
| HM-DHP650 | 26 | 650 | 15-20 | 45-60 | 15D | 20-30 | 11.8 |
| HM-DHP700 | 28 | 700 | 20-25 | 60-75 | 15D | 30-50 | 11.8 |
| HM-DHP750 | 30 | 750 | 20-25 | 60-75 | 15D | 30-50 | 11.8 |
| HM-DHP800 | 32 | 800 | 20-25 | 60-75 | 15D | 30-50 | 11.8 |
| HM-DHP850 | 34 | 850 | 20-25 | 60-75 | 15D | 30-50 | 11.8 |
| HM-DHP900 | 36 | 900 | 25-30 | 75-90 | 15D | 30-50 | 11.8 |
| HM-DHP1000 | 40 | 1000 | 25-30 | 75-90 | 15D | 50-75 | 11.8 |
| HM-DHP1100 | 44 | 1100 | 25-30 | 75-90 | 15D | 50-75 | 11.8 |
- High abrasion resistant inner lining technology: The inner layer is manufactured using specially formulated rubber compounds designed for extreme wear conditions involving sand, ore particles, gravel, and high-density slurry mixtures. This structure significantly reduces internal erosion caused by continuous particle impact. The smooth internal surface improves flow efficiency and reduces pumping resistance, making it suitable for long-distance dredging and mining applications where abrasion is severe and continuous operation is required.
- Multi-layer reinforced pressure stability system: The hose adopts a multi-layer reinforcement structure combining high-strength textile cords and steel wire spirals. This design ensures stable dimensional control under fluctuating pressure conditions in dredging and slurry transfer systems. It prevents excessive expansion, deformation, and fatigue failure during long-term operation, improving overall system safety and reducing risk of leakage or burst failure in critical industrial environments.
- Marine grade corrosion and weather resistance: The outer cover is engineered with protective rubber materials that resist seawater corrosion, UV radiation, ozone exposure, and mechanical abrasion. This ensures reliable performance in offshore environments where equipment is continuously exposed to harsh weather conditions. The protective layer extends service life and reduces degradation caused by long-term marine operation.
- Flexible structure for dynamic pipeline operation: The hose maintains a balance between flexibility and structural strength, allowing it to perform efficiently in floating pipeline systems and mobile dredging equipment. It can adapt to vibration, wave motion, and pipeline movement without affecting internal pressure stability. This improves installation efficiency and reduces operational difficulty in complex marine engineering environments.
- Port construction and dredging projects: The hose is widely used in harbor deepening and port expansion projects for transporting large volumes of sediment and slurry. It ensures stable material transfer between dredging vessels and discharge areas, supporting efficient port infrastructure development and navigation channel maintenance.
- Offshore land reclamation engineering: In offshore reclamation projects, the hose is used to transport dredged sand and slurry from excavation zones to reclamation sites. It performs reliably under wave motion and long-distance pumping conditions, supporting large-scale coastal development and artificial land construction.
- Mining slurry and tailings transportation systems: The hose is applied in mining operations for transporting high-density slurry and tailings between processing plants and disposal areas. Its abrasion-resistant structure ensures stable performance under continuous heavy-duty operation and reduces maintenance frequency in mining environments.
- Advanced manufacturing capability for industrial applications: Hongruntong Marine operates specialized production facilities for heavy-duty rubber hose systems used in marine, mining, and industrial engineering. With advanced equipment and experienced engineering teams, the company ensures stable product quality and reliable performance in demanding environments.
- Strict quality control and testing system: Each hose undergoes comprehensive inspection including raw material testing, structural verification, pressure testing, and final performance evaluation. This ensures consistent product reliability and reduces operational risks during long-term industrial use.
- Customized engineering solutions for different projects: The company provides customized hose designs based on specific requirements such as pressure level, slurry type, transport distance, and installation conditions. This ensures optimal system compatibility and improved operational efficiency for different engineering applications.
- Global supply experience and technical support: Hongruntong Marine has extensive experience supporting international dredging, mining, and offshore engineering projects. The company provides technical consultation, export coordination, and after-sales support to ensure smooth project execution and long-term cooperation.

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