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Tapered Half Dredging Floating Hose for Offshore Sand Extraction1
Rubber Rubber ProductsFloating Discharge HoseDischarge Hose
Jiangsu Cdsr Technology Co., Ltd.
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Product Descriptionstructure and shapeA Tapered Floating Hose is composed of lining, reinforcing plies, flotation jacket, outer cover and hose fitings at bothends, it can adapt to the needs of floating dredging pipelines by changing the distribution of buoyancy. lts shape isusually gradually conical.SpecificationApplicationsThe Tapered Floating Hose is suitable for a variety of applications, it is mainly used in the parts that need to be bent inthe pipeline. lt can be used to connect the floating pipeline and the underwater pipeline, it can be applied as the hoseconnecting the pipe at the stern of a Cuter Suction Dredger and a floating pipeline, and it can also be use in the BowBlow Hose Set of a Trailing Suction Hopper Dredger.The transition from floating pipeline to underwater pipeline is realized by taking advantage of the good flexibility andmoderate stiffness of Tapered Floating Hose and Slope-adapted Hose. The adopted layout scheme is: Floating pipeline+. Tapered Floating Hose + Slope-adapted Hose + Steel Pipe + Slope-adapted Hose + Underwater Pipeline. Duringuse. the hose set presents a lazy "'s" bending shape, and can adiust its bending state to adapt to the water levediference caused by rising tide and falling tide, while ensuring the piple line is unobstructed. This is a successful layouscheme that has been practiced in China. In dredging projects out of China, there is another pipeline layout scheme forthe transition from floating pipeline to underwater pipeline, which is: Floating pipeline + Full Floating Hose (SG 2.1) +Full Floating Hose (SG 1.8)+ Full Floating Hose (SG 1.6)+ Full Floating Hose (SG 1.2) + Buoyancy-free Hose +Underwater Pipeline, which is also an applicable scheme. Comparatively speaking, in the current competitive market.the layout scheme with Tapered Floating Hose has a much lower cost and is a cost-effective choice.Features(1)UV-resistant outer cover.(2)High wear-resistant lining, with wear-indicating colour layer.(3) Good flexibility and large bending angle.(4)Wide range of working pressure rating.(5)High tensile strength and sufficient stiffness.Technical Parameters(Custom configurations available upon request.)(1)Nominal Bore Size500mm,600mm,700mm,750mm,800mm850mm,900mm,1000mm,1100mm,1200mm(2)Hose Length11.8 m (tolerance: ±2%)(3)Working Pressure1.0 MPa~ 3.0 MPa(4)Buoyancy LevelSG 1.4~SG 1.8,as need.(5)Bending Angleup to 90° Customized specifications are also available.IllustrationDredging HoseThis detailed image illustrates the precise deployment locations of various specialized dredging hoses within a comprehensive marine operation. It maps the entire sediment transport route, starting with the Sinking Hose resting on the seabed for initial material intake, often near a cutter. Jet Water Hoses are strategically positioned to fluidize compacted sediments near the suction point. The critical transport path is formed by connected Section Hoses, comprising the main pipeline. Buoyancy is managed using Floats supporting sections requiring surface positioning. Tapered Floating Hoses facilitate smooth connections between pipes of differing diameters or at transition points. Where the seabed slopes significantly, Slope Adapted Hoses accommodate these contours without excessive stress. The majority of the surface pipeline often consists of Full Floating Hose sections, kept buoyant along their entire length. Approaching the discharge location, Discharge Hoses handle the final transport of the sediment-water mixture. Finally, Bow Blowing Hoses are specifically deployed for direct connection to barges or vessels, enabling precise sediment placement during discharge operations. The visualization clearly highlights how each hose type – from sinking intake to floating transport to specialized discharge – is optimally positioned to handle depth variations, seabed topography, buoyancy requirements, connection challenges, and the final placement of dredged material, ensuring efficient and effective sediment transfer throughout the system.Drawings & DimensionsDetailed CAD drawings and dimensional diagrams are available for download here or upon inquiry. Our engineering team can provide tailored designs to meet specific project requirements.Test item1. Material test2. Adhesion test3. Weight test4. MBR test5. Bending Stiffness test6. Hydrostatic Pressure test7. Vacuum test8. Electrical test9. Lifting Lug Acceptance test.The number of hoses for each test item in accordance with GMPHOM 2009Documentation, Tests and Markings in accordance with GMPHOM 2009Packaging & ShippingCompany ProfileJiangsu CDSR Technology Company Co., Ltd.(CDSR)is a leading and also the biggestmanufacturer of marine hoses(GMPHOM 2009) and dredging hoses in China, specialized in themanufacture of dredging hose, oil hose and other rubber products:1.Large-bore Discharge/Suction Hose2. Floating Discharge Hose, Pipe Float3. Marine Oil Hose(GMPHOM 2009)4. Rubber Lining for Dredger Pump, Bottom Door Seal for Dredger5. Various Rubber Fender for Dock and Tugboat.6.Rubber Bearing for Bridge, Bridge Expansion Joint.As the first company in China that developed Floating Discharge Hose, Armored Hose andMarine Oil Hose, CDSR adheres to the business philosophy of "establishing a business witintegrity and leading quality", and the spirit of "struggling for the first domestically and creating afirst-class company globally", commited to build itself into a world-class company specialize inhigh-quality rubber products.CertificationsFAQ1. What's the material of your hoses?Material: NBR + High Tensile Steel Wire + Orange Spiraled Stripe. 2. What's the advantage of your hoses?Built and tested in accordance with ISO28017:2009 specifications.Third quality inspection.Stable price and delivery time.Best Customer Testimonials . 3. How long about the shortest delivery time?Multiple production lines are synchronized to ensure delivery within the specified time. 4. What's your MOQ of your hoses?MOQ: 1 Piece. 5. What's the lifespan of your hoses?Lifespan: More than 10 years. 6. What's the warranty period of your products?36 months. Excellent quality reassures you and me. 7. What's your standard of the hoses?To be satisfy with ISO28017:2009. 8. What kind of certificate can you provide?DNV.GL, BV, CCS, ABS, LR certificates are available.
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