Marine Rubber Discharge Hose

About product

A marine rubber discharge hose is a tubular rubber product designed specifically for the transportation of water and sand. It consists of an inner and outer rubber cover, as well as a skeleton layer. The skeleton layer can be made from various materials such as cotton fiber, synthetic fiber, carbon fiber, asbestos, or steel wire. The inner and outer rubber layers can be composed of natural rubber, styrene-butadiene rubber, butadiene rubber, and other similar materials.

  • Connects dredging equipment for efficient material removal.
  • Handles abrasive materials with resistance to abrasion.
  • Offers flexibility and maneuverability during dredging operations.
  • Withstands high pressures and vacuum conditions.
  • Incorporates buoyancy features to prevent entanglement.
  • Available in various sizes and lengths to suit requirements.

Additional information




water & sand

Working Temperature

From-35°C up to +80°C.

Inner Diameter


Working Pressure

5-30 bar


1-10 meters/piece

Product Detail

Marine Rubber Discharge Hose In Dredging Project

In marine dredging projects, marine rubber discharge hoses play a crucial role in the efficient and effective removal of sediment, slurry, and other materials from water bodies. Here are some key aspects of marine rubber discharge hoses in marine dredging projects:

  • Dredging Operations: Marine rubber discharge hoses are utilized to connect the dredger or dredging vessel to the dredge pump and the discharge point. They serve as the conduit for the suction and discharge of sediments, slurry, and other dredged materials.
  • Material Handling: These hoses are designed to handle the abrasive nature of the dredged materials, including sand, mud, silt, rocks, and debris. The rubber construction of the hose provides excellent resistance to abrasion, ensuring durability and longevity in demanding dredging applications.
  • Flexibility and Maneuverability: Marine rubber discharge hoses offer flexibility and maneuverability, allowing for easy positioning and movement of the dredging equipment. This flexibility enables efficient dredging operations, even in complex or restricted areas.
  • Pressure and Vacuum Resistance: The hoses are engineered to withstand high working pressures and vacuum conditions, ensuring the efficient suction and discharge of dredged materials. They are designed to maintain their structural integrity under demanding operating conditions.
  • Buoyancy and Floatation: Marine dredge hoses may incorporate buoyant materials or floatation devices along their length to provide positive buoyancy. This feature helps keep the hoses afloat and prevents them from sinking or getting entangled during dredging operations.
  • Size and Length: Marine rubber discharge hoses are available in various sizes and lengths to suit different dredging requirements. They can be custom-made or supplied in standard lengths, allowing for efficient connection between the dredging equipment and the discharge point.

Marine Rubber Discharge Hose Application

A marine rubber discharge hose finds extensive application in various marine settings, primarily for the purpose of suction and discharge operations. It is specifically designed to handle the transportation of a wide range of substances in marine environments. Here are some more specific applications of a marine rubber discharge hose:

  • Port and Dock Operations: The hose is used for suction and discharge of seawater, facilitating the efficient loading and unloading of cargo, ballast water exchange, and general port operations.
  • Dredging and Sediment Removal: It is employed to handle the suction and discharge of silt and sand during dredging activities, helping to maintain waterway depths, harbor channels, and navigational passages.
  • Flood Discharge: During flood situations, the hose is utilized to pump out excess water from affected areas, aiding in flood mitigation and water management efforts.
  • Oil and Fuel Transfer: The hose can handle the transfer of various petroleum-based products, including oil and fuel, making it suitable for applications such as bunkering, oil spill response, and fueling operations in marine environments.
  • Waste and Sludge Management: It is used for the suction and discharge of waste materials, sludge, and other pollutants from ships, providing an essential solution for proper waste management in ports and harbors.
  • Offshore Operations: The hose is employed in offshore platforms for tasks like seawater intake, ballasting and de-ballasting, and transferring fluids and materials to and from supply vessels.
  • Industrial Applications: In addition to marine applications, the hose can be utilized in various industrial sectors, such as construction, mining, and agriculture, where the transfer of water, sand, and other materials is required.

Marine Rubber Discharge Hose Physical Index

marine rubber discharge hose

Testing ItemNational Standard Of Hose LiningStandard Of The Company
Tensile Strength At Break/Mpa>12>15
Elongation At Break/ %>400>500
Akron Abrasion cm3/1.6km<1<0.8
Shore Hardness-63±3
Bending Radius/mm-90-1200

Marine Rubber Discharge Hose Parameter

Rubber Hose Diameter/mmHose Length/mWorking Pressure
2001-105-30 bar
2501-105-30 bar
3001-105-30 bar
3501-105-30 bar
4001-105-30 bar
4501-105-30 bar
5001-105-30 bar
5501-105-30 bar
6001-105-30 bar
6501-105-30 bar
7001-105-30 bar
7501-105-30 bar
8001-105-30 bar
8501-105-30 bar
9001-105-30 bar


Know Who We Are

About our company

Zava Marine Corporation is a leading supplier of marine parts and components. With a strong focus on quality and customer satisfaction, we specialize in providing a comprehensive range of high-quality marine equipment and accessories. Our products include deck equipment, ship accessories, and various other essential components needed for smooth maritime operations.

With a global presence, we serve a diverse customer base, including shipbuilders, shipowners, offshore operators, and marine equipment distributors. We are committed to providing exceptional service and tailored solutions to meet our customers’ unique needs.


Zava Marine offers a comprehensive range of certifications for marine parts in accordance with international standards and regulations. These certifications include those provided by renowned marine classification societies such as Lloyd’s Register (LR), Bureau Veritas (BV), China Classification Society (CCS), Registro Italiano Navale (RINA), American Bureau of Shipping (ABS), Nippon Kaiji Kyokai (NK), and Det Norske Veritas – Germanischer Lloyd (DNV-GL). By collaborating with these esteemed societies, Zava Marine ensures that our certified marine parts meet the highest standards of safety, quality, and performance, instilling confidence in our reliability and compliance within the maritime industry.

The warranty provided by Zava Marine covers defects in materials and workmanship for a period of two years from the date of purchase. During this warranty period, if any marine parts purchased from Zava Marine exhibit issues or failures resulting from manufacturing defects or faulty materials, Zava Marine will take responsibility for repair or replacement of the affected parts. 

Zava Marine has recently opened new molds for European and North American clients, utilizing materials such as metal, ABS, PVC, and more. These successful mold opening projects allow us to provide customized marine parts and components that meet the specific requirements of our clients in these regions.

Typically, Zava Marine can ship samples within 7 days once the product drawing has been mutually confirmed by both parties. This efficient process ensures that customers can receive samples promptly, allowing them to assess the quality and suitability of the products.

Zava Marine frequently utilizes a wide range of materials in our projects. These materials include aluminum, stainless steel, carbon steel, copper, plastics, titanium, and PEEK (Polyether Ether Ketone). Each material offers unique properties and characteristics suitable for various marine applications. 

Yes, we provide customization services for marine parts. We understand that every project and application may have unique requirements, and we are committed to delivering tailored solutions. By collaborating closely with our clients, we can adapt our products to specific specifications, ensuring optimal fit, performance, and compatibility. Whether it’s modifying existing designs or creating entirely new parts, our customization services cater to the diverse needs of the maritime industry.

Absolutely! We offer product design and development services to support our clients’ needs. Our experienced team of engineers and designers can collaborate with clients from concept development to final product realization. By leveraging our expertise in marine engineering and design, we can provide valuable insights and innovative solutions. Whether it’s optimizing existing designs or creating entirely new products, we are equipped to assist clients in bringing their ideas to life efficiently and effectively.

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