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Discharge Hose (Rubber Discharge Hose / Dredging Hose)
Discharge Hoses are mainly installed in the main pipeline of the dredger and widely used in the dredging project. They are used to convey mixtures of water, mud and sand. Discharge hoses apply to the floating pipelines, the underwater pipelines and the onshore pipelines, they are important parts of dredging pipelines.
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Discharge Hose with Steel Nipple (Dredging Hose)
A Discharge Hose with Steel Nipple is composed of lining, reinforcing plies, outer cover and hose fittings at both ends. The main materials of its lining are NR and SBR, which have excellent wear resistance and aging resistance. The main material of its outer cover is NR, with excellent weather resistance, corrosion resistance and other protective properties. Its reinforcing plies are composed of high-strength fiber cords. The materials of its fittings include carbon steel, high-quality carbon steel, etc., and their grades are Q235, Q345 and Q355.
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Discharge Hose with Sandwich Flange (Dredging Hose)
A Discharge Hose with Sandwich Flange is composed of lining, reinforcing plies, outer cover and sandwich flanges at both ends. Its main materials are natural rubber, textile and Q235 or Q345 steel.
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Full Floating Hose (Floating Discharge Hose / Dredging Hose)
A Full Floating Hose is composed of lining, reinforcing plies, flotation jacket, outer cover and carbon steel fittings at both ends. The flotation jacket adopts an unique design of integrated built-in type, which makes it and the hose become a whole, ensures the buoyancy and its distribution. The flotation jacket is made of closed-cell foaming material, which has low water absorption and ensures the stability and sustainability of hose buoyancy.
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Tapered Floating Hose (Half Floating Hose / Dredging Hose)
A Tapered Floating Hose is composed of lining, reinforcing plies, flotation jacket, outer cover and hose fittings at both ends, it can adapt to the needs of floating dredging pipelines by changing the distribution of buoyancy. Its shape is usually gradually conical.
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Slope-adapted Hose ( Rubber Discharge Hose / Dredging Hose)
The Slope-adapted Hose is a functional rubber hose developed on the basis of the rubber discharge hose, which is specially designed to use in large-angle bending positions in discharge pipelines. It is mainly used as the transition hose connecting with floating pipeline and submarine pipeline, or with a floating pipeline and a onshore pipeline. It can also be applied in the position of a pipeline where it crosses cofferdam or breakwater, or at dredger stern.
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Floating Hose (Floating Discharge Hose / Dredging Hose)
Floating Hoses are installed on the supporting main line of the dredger and are mainly used for floating pipelines. They are suitable for ambient temperatures ranging from -20℃ to 50℃, and can be used to convey mixtures of water(or seawater), silt, mud, clay and sand. Floating Hoses are one of our main products.
A floating hose is composed of lining, reinforcing plies, flotation jacket, outer cover and carbon steel fittings at both ends. Due to the unique design of the built-in flotation jacket, the hose has buoyancy and can float on the water surface no matter in an empty or working state. Therefore, the Floating Hoses not only has the characteristics such as pressure resistance, good flexibility, tension resistance, wear resistance, shock absorption, aging resistance, but also has floating performance.
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Floating Steel Pipe (Floating Pipe / Dredging Pipe)
A Floating Steel Pipe is composed of steel pipe, flotation jacket, outer cover and flanges at both ends. The main materials of the steel pipe are Q235, Q345, Q355 or more wear-resistant alloy steel.
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Pipe Float (Float for Dredging Pipes)
A Pipe Float is composed of steel pipe, flotation jacket, outer cover and retaining rings at both ends. The main function of the Pipe Float is to be installed onto a steel pipe to provide buoyancy for it so that it can float on the water. Its main materials are Q235, PE foam and natural rubber.
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Armored Hose (Armored Dredging Hose)
Armored Hoses have built-in wear-resistant steel rings. They are especially designed for harsh working conditions, such as conveying sharp and hard materials like coral reefs, weathered rocks, ore, etc. for which ordinary dredging hoses can not withstand for very long. Armored Hoses are suitable for conveying angular, hard and large particles.
Armored Hoses are widely used, mainly in supporting pipeline of dredgers or on the cutter ladder of the Cutter Suction Dredger(CSD). Armored hoses are one of the main products of CDSR.
Armored Hoses are suitable for ambient temperatures ranging from -20℃ to 60℃, and suitable for conveying mixtures of water(or seawater), silt, mud, clay and sand, ranging in specific gravity from 1.0 g/cm³ to 2.3 g/cm³, especially suitable for conveying gravel, flaky weathered rock and coral reefs.
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Suction Hose (Rubber Suction Hose / Dredging Hose)
The Suction Hose are mainly applied on the drag arm of the Trailing Suction Hopper Dredger(TSHD) or the cutter ladder of the Cutter Suction Dredger(CSD). Compared with discharge hoses, the suction hoses can withstand negative pressure in addition to positive pressure, and can continuously work under dynamic bending conditions. They are essential rubber hoses for dredgers.
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Expansion Joint (Rubber Compensator)
The Expansion Joint is mainly used on the dredgers to the connect the dredge pump and pipeline, and to connect the pipelines on deck. Due to the flexibility of the hose body, it can provide a certain amount of expansion and contraction to compensate the gap between the pipes and facilitate the installation and maintenance of the equipment. The Expansion Joint has a good shock absorption effect during operation and plays a protective role for the equipment.
