Floating Dredging Hose with Excellent Buoyancy and High Wear Resistance for Marine Dredging Projects
Product Overview
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.
Engineered to maintain stability on the water surface while handling high-density mixtures such as sand, silt, and gravel, this hose features a wear-resistant inner lining, reinforced carcass layers, and an external floating structure that ensures consistent buoyancy even under varying load conditions.
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 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.
After implementing Floating Dredge Hose to replace a partially submerged steel pipeline system, the hose demonstrated excellent buoyancy and alignment, significantly reducing drag and energy loss. The system operated continuously for 16 months with only routine inspections, reducing maintenance costs by approximately 25%.
Technical 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 |
|---|
| 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.
Key Features
- Enhanced Structural Strength: Constructed with multiple reinforcement layers of high-tensile synthetic fibers and steel wire, enabling the hose to withstand high internal pressures and external mechanical forces.
- Advanced Abrasion-Resistant Inner Lining: Specially engineered rubber compounds resist wear from abrasive materials, significantly extending service life.
- Integrated Buoyancy and Stability System: Built-in buoyancy through foam-filled or air-supported structures ensures uniform flotation and prevents sagging.
- Excellent Environmental Resistance: Outer cover withstands harsh marine environments including UV exposure, saltwater corrosion, and temperature extremes.
Applications
- Dredging and Slurry Transport: Primary use in dredging operations to transport slurry from dredgers to disposal or reclamation areas.
- Land Reclamation Projects: Supports continuous movement of dredged materials for efficient land formation and coastal development.
- Offshore Engineering Support: Used in offshore construction projects requiring flexible and floating transfer systems.
Why Choose Hongruntong Marine
- Proven Expertise: Extensive experience in designing and manufacturing dredging equipment for complex marine environments.
- Comprehensive Customization: Fully customizable according to project specifications including diameter, length, pressure rating, and buoyancy requirements.
- Strict Quality Control: Rigorous quality control processes from raw material selection to final inspection.
- Dedicated Support: Comprehensive after-sales support including installation guidance and technical troubleshooting.
Frequently Asked Questions
- What is the typical service life of Floating Dredge Hose?
The service life depends on operating conditions but typically ranges from 3 to 5 years under continuous heavy-duty use with proper maintenance. - Can the hose handle high-density slurry?
Yes, it is specifically designed to handle high-density and abrasive slurry mixtures without significant wear. - Is the hose reusable for multiple projects?
Yes, with proper inspection and maintenance, the hose can be reused across different dredging projects. - How is buoyancy maintained?
Buoyancy is achieved through integrated foam-filled or air-supported structures within the hose body. - What certifications does the product have?
The hose can be manufactured in compliance with ISO and other relevant marine engineering standards.