Heavy Duty Self Floating Dredge Hose Ensuring Stable Performance and Long Service Life
Floating Dredge Hose is a specialized marine transfer solution designed for dredging operations requiring buoyant, flexible, and high-durability slurry transport systems. Manufactured using multi-layer synthetic reinforcement combined with high-grade rubber compounds, the hose integrates both conveying and flotation functions into a single structure. It is engineered to maintain stability on the water surface while handling high-density mixtures such as sand, silt, and gravel.
The hose typically features a wear-resistant inner lining, reinforced carcass layers, and an external floating structure that ensures consistent buoyancy even under varying load conditions. With diameters ranging from 200 mm to over 1200 mm and customizable lengths, it supports a wide range of dredging capacities. The outer layer is resistant to UV radiation, ozone exposure, and seawater corrosion, ensuring long-term reliability in harsh marine environments.
Floating Dredge Hose offers exceptional load-bearing performance and flexibility, allowing it to adapt to wave motion and vessel movement without compromising flow efficiency. Its low friction inner surface improves pumping efficiency, reducing energy consumption and operational costs. This product is widely used in dredging, land reclamation, offshore construction, and port maintenance projects, where reliability and durability are critical.
Case Study: Coastal Reclamation Project in the Middle East
A major coastal reclamation project in the Middle East required continuous slurry transport from a cutter suction dredger (CSD) with a capacity of 5,500 m³/h to a reclamation site located approximately 3 km offshore. The project faced challenges including high salinity, extreme temperatures, and abrasive sand mixtures.
The contractor deployed Floating Dredge Hose to replace a partially submerged steel pipeline system that suffered from corrosion and joint failures. The dredger, weighing over 2,000 tons, operated in a high-energy wave environment, requiring a hose system capable of maintaining stability and flexibility.
After implementation, the hose system demonstrated excellent buoyancy and alignment, significantly reducing drag and energy loss. Abrasion resistance ensured minimal wear despite continuous operation with high-density slurry. The system operated continuously for 16 months with only routine inspections, reducing maintenance costs by approximately 25%. The client reported improved safety conditions due to reduced manual handling and confirmed plans to reuse the hose system in future projects.
Specifications
| 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 |
Product Models
| Model |
Dimensions [mm] |
Dimensions [inch] |
Working Pressure [bar] |
Working Pressure [psi] |
Safety Factor |
Bending Radius [kg] |
Weight [m] |
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 the requirements.
Product Features
- High Tensile Reinforcement: The hose incorporates multiple layers of high-tensile synthetic fibers, providing exceptional structural strength. This allows it to maintain shape under high-pressure slurry transport and resist kinking or collapsing during operation.
- Wear-Resistant Inner Lining: The internal lining is designed with highly abrasion-resistant rubber compounds. It can withstand continuous exposure to sand, gravel, and other abrasive sediments without significant degradation.
- Integrated Buoyancy System: Floating Dredge Hose features built-in flotation, eliminating the need for external buoyancy aids. This ensures the hose remains stable and aligned on water surfaces, reducing drag and mechanical stress.
- Temperature and Environmental Resistance: The outer cover is engineered to resist UV radiation, saltwater corrosion, and temperature fluctuations ranging from -20°C to 60°C.
Applications
- Dredging Operations: Floating Dredge Hose is ideal for transporting slurry from cutter suction dredgers to disposal sites or reclamation areas. Its flexibility and buoyancy reduce seabed interference, ensuring efficient material movement.
- Port Maintenance: For maintaining shipping channels, the hose enables continuous removal of silt and sand, keeping ports accessible for large vessels and improving operational efficiency.
- Offshore Construction: The hose supports fluid or sediment transfer during offshore construction projects, such as pipeline trenching, foundation laying, or reclamation, where stability and durability are critical.
Why Choose Hongruntong Marine
- Extensive Engineering Experience: Hongruntong Marine has decades of experience providing dredging and marine fluid transport solutions. Its expertise ensures hoses are engineered to withstand harsh marine environments and heavy-duty operations.
- Tailored Design Solutions: Every hose can be customized in diameter, length, pressure rating, and buoyancy characteristics to match project-specific requirements.
- High Quality Materials: Premium raw materials, including abrasion-resistant rubber and high-tensile synthetic reinforcement, are used to manufacture each hose.
- Full Lifecycle Support: The company offers comprehensive support, including installation guidance, maintenance instructions, and technical troubleshooting.
Frequently Asked Questions
What range of diameters is available?
Diameters typically range from 200 mm to 1200 mm, with customized lengths according to project needs.
Can it handle highly abrasive slurry?
Yes, the hose is designed to transport abrasive slurries such as sand and gravel efficiently over long distances.
How durable is the hose?
With proper maintenance, the hose can last 3-5 years in continuous dredging operations.
Is it easy to deploy?
The integrated buoyancy and modular design allow for fast and simple deployment using standard marine equipment.
Does the hose meet international standards?
Yes, it complies with ISO and other relevant marine engineering standards for safety and reliability.