Buoyant Dredge Hose with High Buoyancy, Wear Resistant, and Corrosion Resistant Properties
The floating dredge hose developed by Hongruntong Marine is specifically engineered for high-pressure slurry transport in demanding dredging environments. Designed to handle dense mixtures of sand, gravel, and sediment, this hose integrates advanced reinforcement technology with superior wear-resistant materials to ensure long-term operational reliability.
The internal lining is manufactured using specially formulated anti-abrasion rubber compounds that significantly reduce material loss caused by high-velocity slurry flow. Multiple reinforcement layers, including high-tensile synthetic cords and optional steel wire spirals, provide exceptional resistance to internal pressure and external mechanical forces.
A key feature of this product is its high-performance integrated flotation system. The buoyancy layer is constructed using high-density closed-cell foam, ensuring stable floating capability even under heavy load conditions. This allows the hose to maintain consistent positioning and alignment, reducing stress on the pipeline system.
During a major port deepening project in the Middle East, a dredging contractor faced significant challenges related to high-density slurry transport. The project involved a large trailing suction hopper dredger with a capacity exceeding 8000 cubic meters, operating under conditions where sand and gravel content in the slurry was particularly high.
Hongruntong Marine supplied a set of high-pressure floating dredge hoses specifically designed for abrasive slurry conditions. The hoses featured an upgraded inner lining with enhanced wear resistance and a reinforced structure capable of handling higher pressure loads.
After installation, the dredging system showed a marked improvement in performance. The hose maintained consistent internal pressure, allowing smoother slurry transport over extended distances. Wear rates were significantly reduced compared to the previous system, leading to fewer replacements and lower maintenance costs.

| Parameter | Specification |
|---|---|
| Product Name | Floating Dredge Hose |
| Material of Rubber | NR, NBR, SR, CR and etc |
| 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 | 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 |
- High-Pressure Resistance for Continuous Operation: Designed to operate under high internal pressures with reinforced structure incorporating multiple layers of high-strength materials that effectively distribute stress and prevent structural failure.
- Enhanced Abrasion Resistance for Extended Service Life: Superior resistance to abrasion with inner rubber layer formulated using advanced compounds that significantly reduce wear caused by sand and other solid particles.
- Optimized Buoyancy Under Heavy Load Conditions: Integrated flotation system engineered to maintain stable buoyancy using high-density closed-cell foam that ensures consistent performance without water absorption or degradation.
- Robust Construction for Harsh Marine Environments: Outer layer specifically designed to withstand exposure to extreme environmental conditions including saltwater, UV radiation, and temperature variations.
- High-Capacity Dredging Operations: Suitable for large-scale dredging projects where high volumes of slurry must be transported continuously, ideal for use with cutter suction dredgers and trailing suction hopper dredgers.
- Port Deepening and Channel Expansion: Critical role in transporting sediment over long distances with durability and resistance to wear ensuring consistent performance with dense and abrasive materials.
- Offshore Sand Extraction Projects: Widely used in offshore sand mining operations where high concentrations of solid particles are present, with reinforced structure and abrasion-resistant lining.
- Specialization in High Performance Dredging Solutions: Focus on developing products that meet the highest standards of performance in the dredging industry with expertise in high-pressure and abrasion-resistant hose design.
- Engineering-Driven Product Development: Detailed engineering analysis and practical field experience combined with advanced design techniques and real-world data.
- Reliable Manufacturing and Testing Standards: Strict quality control procedures including pressure resistance verification, dimensional accuracy checks, and material quality assessment.
- Long-Term Value and Cost Efficiency: Focus on durability and performance to help clients reduce maintenance frequency and replacement costs with extended service life contributing to lower total cost of ownership.
The hose is designed to withstand high internal pressures typical of large-scale dredging operations, and specifications can be customized based on project requirements.
The inner lining is specifically engineered for abrasion resistance, making it suitable for transporting sand, gravel, and other solid particles with minimal wear.
Yes, its reinforced structure and pressure stability make it ideal for long-distance slurry transport in both offshore and inland projects.
No, the closed-cell foam used in the flotation layer prevents water absorption, ensuring consistent buoyancy over extended periods.
The company offers technical guidance, installation support, and maintenance recommendations to ensure optimal performance throughout the product lifecycle.

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