Dredging Floating Hose
High Abrasion Resistance • Long Service Life • Strong Tensile Strength
Product Overview
The Floating Pipeline is a high-performance offshore slurry transport system engineered for demanding dredging, reclamation, and marine construction projects. Constructed with multi-layer reinforced synthetic carcass materials combined with a high-abrasion resistant rubber inner lining, it ensures long-term durability under continuous hydraulic pressure.
The system integrates a precision-designed buoyancy structure that maintains stable floating alignment across tidal variations and wave impact zones. Unlike conventional rigid pipelines, this system flexes dynamically while maintaining structural integrity, making it ideal for offshore long-distance discharge operations.
Case Study: Qatar Offshore Reclamation Project
In a large-scale offshore reclamation project in Qatar, the engineering team faced severe challenges due to high salinity water, strong tidal currents, and long-distance discharge requirements exceeding 1.5 km. Traditional pipeline systems suffered from frequent misalignment and buoyancy instability.
After deploying the Hongruntong Marine Floating Pipeline system, the entire discharge line remained stable even under continuous wave impact and high-temperature conditions exceeding 40°C. The integrated buoyancy modules ensured uniform floatation along the full pipeline route.
Results included a 32% increase in dredging efficiency, 40% reduction in maintenance interventions, and significant fuel savings for dredging vessels due to improved discharge continuity.


Technical Specifications
| Material | PTFE, Galvanized Steel Wire, PVC Coated Polyester Cloth |
| Product Name | Floating Pipeline |
| 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 |
Product Models
| Model | Dimensions (mm/in) | Working Pressure (bar/psi) | Safety Factor | Bending Radius (mm) | Weight (kg) | Length (m) |
|---|
| 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 requirements.
Key Features
Integrated Engineering Buoyancy System
Fully engineered buoyancy configuration with evenly distributed flotation units ensures consistent hydrostatic balance, preventing uneven sinking and wave-induced instability.
High Performance Abrasion Resistant Inner Layer
Advanced wear-resistant rubber compounds provide exceptional resistance against continuous abrasion from sand, gravel, and high-density sediment mixtures.
Multi Layer Reinforced Structural Strength
Multiple layers of high-strength synthetic fiber reinforcement withstand internal hydraulic pressure and external mechanical forces, ensuring excellent tensile strength.
Marine Environmental Resistance and Stability
Engineered for long-term operation in harsh marine environments, including high salinity seawater, UV exposure, and extreme temperature variations.
Applications
- Offshore Dredging and Reclamation Systems: Continuous transport of seabed materials for land reclamation and coastal expansion projects
- Port Deepening and Maintenance Engineering: Sediment removal and stable discharge pipelines for navigation channel optimization
- River and Estuary Sediment Transport Projects: Stable hydraulic transport of sediments over variable flow conditions
Why Choose Hongruntong Marine
- Advanced Marine Pipeline Manufacturing Capability: Specialized production facilities with precision vulcanization technology and automated structural testing
- Full Project Customization Engineering Support: Customized solutions including pipeline diameter selection, pressure rating, and buoyancy distribution design
- Strict Multi Stage Quality Assurance System: Comprehensive testing including pressure endurance, flotation stability, and abrasion resistance simulation
- Proven Global Application Experience: Successful applications in large-scale projects across Middle East, Southeast Asia, and Africa
Frequently Asked Questions
1. What is the maximum operating length of the Floating Pipeline system?
The system can be designed for both short and long-distance dredging operations, with configurations supporting multi-kilometer offshore discharge lines.
2. Can the system operate under strong wave and current conditions?
Yes, the pipeline is engineered with integrated buoyancy and flexible reinforcement to maintain stability under moderate to strong wave and tidal environments.
3. What type of materials can be transported through the pipeline?
Suitable for transporting sand slurry, sediment mixtures, and dredged seabed materials with high abrasion content.
4. How is maintenance managed during long-term operation?
Designed for low maintenance operation requiring only periodic inspection of joints, flotation stability, and surface condition.
5. Is customization available for different dredging projects?
Yes, we provide full customization including diameter, pressure rating, reinforcement structure, and buoyancy configuration.