Slurry Resistant High Flow Floating Dredge Hose with Long Service Life
Hongruntong Marine heavy-duty floating dredge hose is engineered for long-distance slurry transport and continuous high-load dredging operations. This hose is particularly suitable for large-scale infrastructure projects where uninterrupted performance, structural reliability, and long service life are critical. It handles demanding working conditions involving high flow rates, long pipeline systems, and complex marine environments.
The hose features a thick inner lining made from premium-grade abrasion-resistant rubber, designed to withstand continuous contact with high-density slurry mixtures. Multiple reinforcement layers composed of high-tensile synthetic cords and optional steel wire provide exceptional resistance to internal pressure and external forces. The outer cover is formulated to resist mechanical damage, saltwater corrosion, and environmental aging, ensuring long-term durability.
An advanced integrated flotation system ensures stable buoyancy across extended pipeline lengths. The flotation layer uses high-performance closed-cell foam, which maintains consistent buoyancy without water absorption. This allows the hose to remain properly aligned even in long-distance configurations, reducing stress on connections and improving overall system efficiency.
With diameters typically ranging from 500mm to 1000mm and customizable lengths, the hose meets the requirements of high-capacity dredging systems. Its robust construction and reliable performance make it an ideal choice for large-scale marine engineering projects.
In a large offshore dredging project involving seabed material transport over three kilometers, the contractor faced challenges with pipeline stability and material flow consistency. The operation required continuous connection between a high-capacity dredger and distant discharge point, with minimal interruption to maintain project efficiency.
Hongruntong Marine supplied heavy-duty floating dredge hoses designed specifically for long-distance transport. The hoses were configured with reinforced structures to handle sustained pressure and equipped with an optimized flotation system to maintain alignment. During operation, the hose system demonstrated stable performance, allowing efficient slurry transport without significant pressure loss.
The hose durability reduced the need for frequent inspections and replacements, which had been a major concern in similar projects. The contractor observed improved operational continuity and reduced downtime, contributing to faster project completion. The reliability also enhanced overall safety, as stable alignment minimized the risk of unexpected pipeline movement.
Following the project, the client recognized the value of using high-quality hose systems for long-distance applications and incorporated similar configurations into future operations.


| 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 Load Capacity for Long-Distance Transport: Engineered to handle significant tensile loads and internal pressures associated with long-distance slurry transport. The reinforced structure distributes stress evenly across the hose body, preventing localized deformation and ensuring consistent performance.
- Extended Wear Life Through Thick Inner Lining: The inner rubber layer features increased thickness and enhanced abrasion resistance to withstand continuous exposure to sand, gravel, and other abrasive materials. This design significantly reduces wear rates and prolongs service life.
- Stable Alignment Across Long Pipelines: The integrated flotation system ensures consistent buoyancy along the entire hose length, critical for maintaining alignment in long-distance pipeline configurations. High-quality closed-cell foam prevents water absorption and ensures stable buoyancy over time.
- Structural Reliability in Continuous Operation: Designed for continuous operation in demanding environments, the robust construction and high-quality materials ensure sustained performance without compromise, allowing operators to maintain steady production rates.
- Long-Distance Slurry Transport Systems
- Large-Scale Land Reclamation Projects
- High-Capacity Offshore Dredging Operations
- Strong Capability in Large-Scale Project Support: Extensive experience in supplying equipment for large-scale marine engineering projects, with products specifically designed to meet complex challenges.
- Commitment to Long-Term Performance: Focus on delivering products that offer long-term value through durability and consistent performance, reducing the need for frequent replacements.
- Comprehensive Customization Options: Wide range of customization options to meet specific project requirements, from adjusting hose dimensions to optimizing reinforcement and flotation systems.
- Reliable Partnership and Technical Support: Technical guidance and support throughout the project lifecycle, including assistance with product selection, installation, and maintenance.



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