Synthetic Rubber Dredge Floating Hose High Abrasion Resistance With Polyamide Lining
Floating Dredge Hose is a critical component designed for offshore and port dredging operations, engineered to transport slurry, sand, and sediments efficiently across water surfaces. Manufactured using high-strength synthetic rubber combined with reinforced textile or steel wire layers, the hose provides excellent flexibility, buoyancy, and structural integrity.
The outer layer integrates closed-cell foam flotation, ensuring stable performance even under dynamic marine conditions. With superior abrasion resistance and high tensile strength, the hose is capable of handling heavy loads and high-pressure discharge while maintaining durability in harsh environments such as saltwater, UV exposure, and temperature fluctuations.
In a Southeast Asian port expansion project, a 20,000 DWT cutter suction dredger was deployed to deepen navigation channels from 8m to 14m. The project faced challenges including abrasive seabed material and strong tidal currents.
Hongruntong Floating Dredge Hoses were installed along a 1.5 km floating pipeline system. The hoses demonstrated excellent buoyancy stability, preventing pipeline submersion even under rough wave conditions. Their abrasion-resistant inner lining significantly reduced wear caused by high-density sand slurry.
As a result, the project achieved a 20% increase in dredging efficiency, reduced maintenance frequency by 30%, and ensured safe continuous operation. The client reported high satisfaction with durability and ease of installation, leading to repeat procurement.


| Material | PTFE, Galvanized Steel Wire, PVC Coated Polyester Cloth |
|---|---|
| Product Name | Floating Dredge Hose |
| Inner Wire | Stainless Steel 316 |
| Lining | Polyamide |
| Carcass | Polyamide fabrics, Polyester films |
| Outer Wire | Stainless Steel 316 |
| Working Pressure | 10 bar to 21 bar |
| Maximum Length | 40 meters |
| Sample | Available |
| Delivery time | Normally 3-5 days |
| Model | Dimensions [mm] | Dimensions [inch] | Working Pressure [bar] | Working Pressure [psi] | Safety Factor | Bending Radius [kg] | Weight [m] | Length |
|---|---|---|---|---|---|---|---|---|
| HM-FDH20 | 20 | 3/4" | 16 | 230 | 6:1 | 80 | 0.8 | 40 |
| HM-FDH25 | 25 | 1" | 16 | 230 | 6:1 | 100 | 1 | 40 |
| HM-FDH32 | 32 | 11/4" | 16 | 230 | 6:1 | 125 | 1.3 | 40 |
| HM-FDH40 | 40 | 11/2" | 16 | 230 | 6:1 | 140 | 1.5 | 40 |
| HM-FDH50 | 50 | 2" | 16 | 230 | 6:1 | 180 | 2.5 | 40 |
| HM-FDH65 | 65 | 21/2" | 16 | 230 | 6:1 | 200 | 3.3 | 40 |
| HM-FDH80 | 80 | 3" | 16 | 230 | 6:1 | 260 | 4 | 40 |
| HM-FDH100 | 100 | 4" | 16 | 230 | 6:1 | 380 | 6.8 | 40 |
| HM-FDH125 | 125 | 5" | 16 | 230 | 6:1 | 440 | 9.2 | 40 |
| HM-FDH150 | 150 | 6" | 16 | 230 | 6:1 | 500 | 13.2 | 40 |
| HM-FDH200 | 200 | 8" | 16 | 230 | 6:1 | 750 | 18 | 40 |
| HM-FDH250 | 250 | 10" | 16 | 230 | 6:1 | 900 | 26 | 25 |
Note: Various sizes can be customized according to the requirements.
- Advanced Abrasion Resistance Performance: The hose inner lining is constructed from specially formulated wear-resistant rubber compounds, engineered to withstand continuous friction from sand, gravel, and sediment particles. This ensures extended service life even under high-solid-content slurry transport conditions.
- Optimized Buoyancy and Stability Design: The integrated foam flotation layer provides consistent buoyancy, maintaining pipeline alignment and preventing sinking or bending. This improves flow efficiency and reduces stress on connections.
- High Tensile Strength Reinforcement Structure: Reinforced with multi-layer synthetic fabric or steel wire spirals, the hose offers excellent pressure resistance and load-bearing capacity. It can withstand high-pressure pumping systems and mechanical stress during operation.
- Flexible and Easy Installation System: The hose features standardized flange or quick coupling connections, enabling fast assembly and disassembly. Its flexibility allows it to adapt to varying water conditions, improving handling efficiency during deployment.
- Port and Channel Dredging Operations: Used extensively in maintenance and capital dredging projects to transport dredged materials efficiently while maintaining stable floating pipeline systems.
- Land Reclamation Projects: Supports large-scale sand filling operations by delivering slurry over long distances, ensuring consistent flow and operational reliability.
- Offshore Engineering Support: Ideal for offshore construction projects, including pipeline installation and seabed preparation, where floating slurry transport is required.
- Extensive Industry Experience: Hongruntong Marine has years of experience in manufacturing dredging equipment, providing solutions tailored to complex marine engineering requirements.
- Customized Engineering Solutions: Each hose can be designed based on project-specific parameters such as diameter, length, pressure rating, and environmental conditions.
- Strict Quality Control System: Products undergo rigorous testing, including pressure testing, tensile strength evaluation, and abrasion resistance verification.
- Comprehensive After-Sales Support: The company offers technical guidance, installation support, and maintenance recommendations, ensuring long-term product reliability.
Available diameters typically range from 100mm to 1200mm, with customizable lengths depending on project requirements.
Under normal conditions, service life ranges from 3 to 5 years, depending on material abrasiveness and usage intensity.
Yes, reinforced structures allow operation under high-pressure pumping systems.
Yes, it can be reused across multiple projects with proper maintenance.
Yes, products comply with ISO and other relevant marine industry standards.

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