Self-Floating Hose

 

A self-floating dredge hose is a specialized type of hose used in dredging operations. It is designed to be buoyant and flexible, allowing it to float on the water's surface while carrying dredged materials.

 

Self-floating dredge hoses are typically made from a combination of rubber and other synthetic materials, which provide durability and resistance to abrasion and corrosion. They are reinforced with multiple layers of high-strength materials, such as steel wire or helixes, to ensure they can handle the pressure and strain during dredging operations.

These hoses are available in various sizes and lengths to accommodate different dredging projects. They often have built-in flotation devices, such as foam-filled sections or buoyancy chambers, which help maintain their buoyancy and prevent them from sinking or getting tangled.

Self-floating hoses are connected to dredging equipment, such as suction dredgers or cutter suction dredgers, at one end, and to the discharge point or pipeline at the other end. They play a critical role in the efficient and effective transportation of dredged materials, such as sand, sediment, or gravel, from the dredging site to the designated location.

When using a Self-floating hose, it is important to ensure proper installation, regular inspection, and maintenance to prevent leaks, wear, or damage that could compromise its performance and durability.

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Characteristics

 

1. Constructed with buoyant closed-cell foam, easy to maneuver and prevents the hoses from sinking or getting entangled underwater.

2. Highly flexible, easily follow the movement of the dredging equipment and adapt to changing water levels. Helps to minimize stress on the hoses and ensures smooth operation.

3. Made from high-quality, wear-resistant natural rubber, to withstand the harsh conditions encountered during dredging activities. Resist abrasion, chemical corrosion, and UV degradation, ensuring a longer lifespan and reduced maintenance.

4. Reinforced with strong textile or steel wire helix to provide additional strength and structural integrity. Enhances their ability to handle high-pressure applications and prevents kinking or collapsing.

5. Equipped with flange or coupling systems on both ends to facilitate easy connection and disconnection with the dredging equipment. Quick setup and dismantling, saving time and effort during operation.

6. Available in a range of lengths and diameters, allowing for customization based on specific dredging requirements.

7. Designed for easy inspection and maintenance. They can be easily cleaned, repaired, or replaced as needed to ensure continuous and efficient dredging operations.

 

 

 

Applications

 

 

● Dredging and reclamation projects
● Land reclamation
● Harbor and port maintenance
● Mining operations
● Offshore oil and gas industry
● Environmental remediation
● Beach nourishment
● Dam and reservoir maintenance

 

 

Technical specifications

 

Brand	Hongruntong Marine
Model	SF-Series
Hose Diameter	DN50–760 (2–30”) as standard
Hose Length	Up to 12.2m (40’) as standard
Pressure Rating	10-21bar (145 to 305psi) Higher on request
Temperature Rating	-30°C to +75°C
Buoyancy Rating	0% (neutral) to 50% (half of hose out of water)
End connections	Full spigot fixed flange Full spigot swivel flange Custom
Flange types	AS2129, ASME B16.5, ASME B16.47, AWWA C207, AS4087, BS EN 1092, BS3293, JIS B2220, SANS 1123, DIN ISO 7005, custom
Groove types	AWWA C606 OGS, Victaulic AGS, custom
Thread types	BSP, NPT, API, premium, custom
Safety factor	4:1 as standard
Extra options	Custom nozzles, branches, or connections Wear a monitoring system (plug-only or push-button)

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Details Images

 

 

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