Flexible Dredging Floating Hose for Efficient Mud and Slurry Transportation with Leak Proof Structure
Floating Dredge Hose is a technologically advanced marine transfer solution engineered for long-distance dredging and slurry transport. Constructed with multiple synthetic fiber reinforcement layers and a wear-resistant rubber lining, it offers exceptional flexibility, buoyancy, and mechanical strength. Designed to handle high-density abrasive materials, the hose maintains stable performance under dynamic marine conditions, including waves, currents, and tidal variations. Its outer layer resists UV degradation, saltwater corrosion, and mechanical abrasion, ensuring long-term durability. Available in diameters from 250 mm to 1200 mm, it supports various dredgers from small river units to offshore cutter suction dredgers exceeding 6,500 m³/h, providing an efficient, safe, and cost-effective material transport solution.
Case Study: Offshore Oil Terminal Dredging in Southeast Asia
A Southeast Asian offshore oil terminal required dredging to deepen access channels for vessels up to 12,000 DWT. The operation involved high-density sand and gravel slurry, with strong currents and frequent wave surges. Previously used rigid pipelines were prone to damage and frequent joint maintenance. Floating Dredge Hose was deployed to replace the system. Its integrated flotation allowed the hose to maintain alignment above water, while the abrasion-resistant inner lining ensured minimal wear. Over 14 months of continuous operation, the hose maintained consistent flow, reduced maintenance interventions by 40%, and improved operational efficiency by 20%. The client highlighted its adaptability for repeated seasonal dredging.
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 |
Model Dimensions and Specifications
| 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.
Product Features
- Heavy-Duty Structural Reinforcement: The hose employs multiple high-tensile synthetic layers, ensuring structural integrity under heavy loads and high-pressure slurry transport. This reinforcement prevents deformation, kinking, or bursting, maintaining consistent flow rates and operational reliability.
- Superior Abrasion Resistance: The inner lining utilizes advanced wear-resistant rubber compounds capable of handling sand, gravel, and shell fragments over extended periods. The durability minimizes replacement frequency, significantly reducing operational downtime.
- Integrated Buoyancy Mechanism: Built-in flotation eliminates the need for separate buoyancy supports. The hose maintains surface alignment, reduces mechanical stress on connections, and ensures optimal flow even under turbulent conditions, enhancing safety and efficiency.
- Environmental Resilience: The outer cover resists UV radiation, ozone, saltwater corrosion, and temperature fluctuations from -25°C to 65°C. These features ensure the hose performs reliably in harsh marine environments, extending its service life and lowering maintenance costs.
Applications
- Harbor and Channel Maintenance: Used to transport silt and sediment, Floating Dredge Hose keeps ports and navigation channels operational for large vessels, improving safety and efficiency.
- Offshore Reclamation Projects: Supports dredged material transfer for land reclamation, enabling continuous and efficient material movement across coastal construction sites.
- Industrial Marine Operations: Applicable in slurry transfer for offshore pipelines, industrial water intake, or sediment management, particularly in environments with fluctuating water levels and heavy wave activity.
Why Choose Hongruntong Marine
- Decades of Marine Engineering Expertise: Hongruntong Marine delivers hoses engineered to withstand demanding marine conditions, ensuring reliability, safety, and compliance with international standards.
- Fully Customizable Solutions: The company offers hoses tailored to project-specific diameters, lengths, pressure ratings, and buoyancy characteristics, optimizing efficiency and compatibility with dredger systems.
- Premium Materials and Manufacturing: High-quality rubber compounds and high-tensile synthetic reinforcement are selected to ensure durability, wear resistance, and extended service life. Quality inspections are conducted throughout the production process.
- Comprehensive Lifecycle Support: Installation guidance, maintenance consulting, and troubleshooting are provided to ensure peak operational performance and minimize downtime throughout the hose's lifespan.
Frequently Asked Questions
What is the maximum pressure the hose can handle?
Floating Dredge Hose is rated for high-pressure slurry transfer, typically up to 16 bar, depending on diameter and design.
Can it operate in tropical or saline waters?
Yes, the hose is resistant to UV, saltwater corrosion, and high temperatures, making it suitable for tropical and offshore conditions.
How flexible is the hose during installation?
The multi-layer reinforced design provides excellent flexibility, allowing the hose to bend without kinking for rapid deployment.
Is it suitable for repeated seasonal use?
Yes, the hose can be reused across multiple projects with proper inspection and maintenance.
Are there certifications for safety and quality?
Yes, hoses are manufactured in compliance with ISO and relevant marine engineering standards.