Marine Floating Dredge Hose International Marine Certification Leak-Proof Structure High Vacuum Resistance
Product Overview
Floating Dredge Hose is a highly engineered marine pipeline component designed to ensure safe, efficient, and continuous transportation of dredged slurry across water surfaces. It is specifically developed for use in complex dredging environments where mechanical stress, abrasive materials, and harsh weather conditions are present simultaneously.
The hose is constructed using multiple layers of premium-grade synthetic rubber, combined with high-strength textile cords or steel wire reinforcements to deliver exceptional pressure resistance and structural integrity. A key feature is its integrated flotation system, which utilizes closed-cell polyethylene or EVA foam to provide consistent buoyancy and prevent water ingress.
Case Study: Deep Sea Pipeline Dredging Support Project
In a large offshore pipeline installation project in Southeast Asia, a 25,000 DWT trailing suction hopper dredger was tasked with seabed preparation over a distance of more than 3 kilometers. Hongruntong Floating Dredge Hoses were selected to form the floating discharge pipeline.
During operations, the hoses demonstrated excellent fatigue resistance despite continuous bending caused by wave motion. The project reported a 22% improvement in operational efficiency due to uninterrupted slurry flow and reduced downtime. Maintenance requirements were significantly lower compared to previously used hoses, and installation time was reduced due to the hose's flexible and modular design.
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 Dimensions
| Model |
Dimensions [mm] |
Dimensions [inch] |
Working Pressure [bar] |
Working Pressure [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 the requirements.
Key Features
- Outstanding Fatigue Resistance Under Dynamic Marine Conditions: Multi-layer reinforcement structure distributes stress evenly, preventing localized damage and extending service life in offshore applications.
- High Efficiency Internal Flow Design: Optimized inner tube minimizes friction resistance, ensuring smooth slurry flow and reducing energy loss during pumping.
- Superior Environmental Resistance and Longevity: Advanced outer cover compounds provide resistance to UV radiation, ozone, saltwater, and extreme temperatures.
- Modular and Maintenance-Friendly Design: Standardized flanges or coupling systems allow for quick assembly, disassembly, and replacement of individual sections.
Applications
- Offshore Oil and Gas Infrastructure Support: Seabed preparation and trenching operations for pipeline installation in deep-sea conditions.
- Capital Dredging for Port Expansion: Transport of dredged materials over long distances in large-scale port development projects.
- Coastal Protection and Beach Nourishment: Sediment transport for projects aimed at preventing coastal erosion and restoring natural shorelines.
Why Choose Hongruntong Marine
- Strong Engineering and R&D Capabilities: Continuous product improvement through close collaboration with clients to meet specific operational challenges.
- High Quality Raw Materials and Manufacturing Excellence: Premium-grade materials and strict process controls ensure superior durability and performance.
- Comprehensive Project Support and Consultation: Full technical support including system design consultation, installation guidance, and operational optimization.
- Long-Term Reliability and Cost Efficiency: Reduced maintenance, fewer replacements, and improved operational efficiency contribute to significant lifecycle cost savings.
Frequently Asked Questions
What is the maximum working pressure of the hose?
The hose can be designed to meet various pressure requirements, typically ranging from 10 bar to 30 bar depending on application needs.
How does the hose perform in offshore conditions?
It is specifically designed for offshore environments, offering excellent resistance to waves, currents, and corrosion.
Can the hose handle coarse materials like gravel?
Yes, the abrasion-resistant inner lining allows it to transport coarse and high-density materials effectively.
Is it possible to replace individual sections?
Yes, the modular design allows for easy replacement of individual hose segments without dismantling the entire system.
What certifications does the product have?
The hose can be manufactured in compliance with international standards such as ISO and other marine certifications.