Steel & Foam Navigation Buoys

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About product

Zava Marine specializes in the design and manufacturing of navigation aids, offering comprehensive solutions for coastal, inland waterway, and offshore applications. Our products and services support a wide range of industries including maritime transport, water conservancy, and environmental monitoring.

According to material classification, our navigation buoys are available in two main types:

  • Steel Buoys: Built for strength and durability, ideal for harsh marine environments and large-scale deployments.
  • Solid, Maintenance-Free Buoys: Made from high-performance polymers with internal foam filling for stable buoyancy, these buoys require minimal upkeep and are suitable for smaller waterways and monitoring applications.
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Product Detail

Marine Steel & Foam Navigation Buoys for Sale

We produce a variety of navigation and mooring equipment, including:

  • Navigation Buoys: Used for guiding routes, marking boundaries, and ensuring safe navigation in harbors, rivers, and reservoirs.
  • Beacon Towers & Light Piles: Fixed aids to navigation installed on piers or coastal structures, providing visual guidance in low visibility conditions.
  • Mooring Buoys: Durable floating units designed for secure vessel mooring.
  • GPRS Remote-Controlled Light Buoys: Equipped with GPS, remote control, and monitoring capabilities for intelligent operation and management.
  • Meteorological, Hydrological & Water Quality Monitoring Buoys: Integrated with sensor modules for real-time data collection in marine and inland waters.
  • Video Surveillance Buoys: Provide 24/7 visual monitoring for waterway security and environmental inspection.

Ocean Steel Navigation Buoy

Zava Marine’s steel navigation buoys are engineered for coastal, offshore, and challenging marine environments. Built for durability and high performance, they are widely used in port navigation, anchorage marking, channel delineation, and maritime construction safety.

1. High-Strength Marine-Grade Steel for Reliable Structure

The maritime navigation buoy body is constructed from 5mm thick CCSA-certified shipbuilding steel plates, known for their outstanding impact resistance, corrosion resistance, and fatigue strength. The internal structure is reinforced with 3 to 5 watertight compartments, precisely welded to ensure buoyancy is maintained even if one section is breached—greatly enhancing safety in rough seas.

2. Advanced Anti-Corrosion Coating for Long-Term Service Life

  • Hot-dip galvanized coating offers robust protection against oxidation and is ideal for salt-laden environments.
  • Polyurea coating provides strong adhesion and flexibility, resisting wave impact, UV radiation, and prolonged exposure to sunlight.

These coatings enhance corrosion resistance by up to 300%, ensuring a service life of over 15 years, and significantly reducing maintenance costs over time.

3. Built for Extreme Marine Conditions – Superior Stability

  • Heavy-duty mooring lugs: Each set is rated with a minimum breaking strength of 20 tons, capable of withstanding Category 12 typhoon conditions (wind speeds up to 45 m/s), offering secure mooring even under extreme forces.
  • Dual mooring chains + concrete ballast: Equipped with a dual-chain anchoring system and 3 to 6 tons of submerged ballast, the navigation buoys maintains precise positioning with a displacement error of less than 0.5 meters, even in wave heights up to 15 meters.

Anti-Collision‌ Foam Navigation Buoy‌

  1. Foam-Filled Structure: The maritime navigation buoy is internally filled with closed-cell expanded polystyrene (EPS) or polyurethane foam, providing high buoyancy and zero water absorption. Even if the outer shell is damaged, the buoy remains afloat and stable.
  2. High-Strength One-Piece Shell: The outer shell is manufactured using a rotational molding process, made from durable polyethylene (PE). The seamless structure offers excellent corrosion resistance, UV protection, and impact resistance, allowing the buoy to perform reliably in extreme temperatures ranging from -50°C to 125°C.
  3. Protective Coating: The exterior is coated with a polyurea elastomer layer, enhancing surface smoothness and weather resistance. It is highly resistant to acids, alkalis, and aging, and features excellent elasticity—allowing the shell to recover quickly after impact, thereby extending the buoy’s service life.

Maritime Navigation Buoys Size Chart

Specification Name

HF-1.08

HF-1.2

HF-1.5

HF-1.8

HF-2.4

HF-3.0

Light Character‌

Left red, right green, single flash, period 4 seconds

Range

2-10Km

Power Source

Solar cells, 6VDC or 12VDC

Telecontrol

Remote wireless, remote control & telemetry (with computer-installed software)

Synchronized Flashing

GPS signal, synchronization <= 0.2ms

Buoy Diameter 

1.08

1.2

1.5

1.8

2.4

3

Top Mark

Cylindrical or conical (with the cone top pointing upwards)

Signboard

with Signboard

Body Color

Red or green

Buoy Material

Marine steel plate

Total Height (m)

2.4

2.8

4

4.5

7.5

9.1

Freeboard Height (m)

0.3

0.45

0.5

0.6

1

1.3

Focal Plane Height(m)

1.4

1.62

2.35

2.46

4.5

5.8

Max Swing Angle (°)

<= 15

<= 15

<= 15

<= 15

<= 15

<= 15

Swing Period (S)

3~5

3~5

3~5

3~5

3~5

3~5

Max Buoyancy (t)

0.85

1

1.8

3.14

7

11.7

Buoy Weight

0.2

0.4

0.6

0.8

1.9

2.4

Antifungal Treatment

Paint spraying, sacrificial anode protection

Anchor Chain Config.

17.5

17.5

22

28

34

38

Anchor Block (t)

0.5~1

0.5~1

1~2

2~3

3~6

5~8

Deployment Depth(m)

3~15

3~15

4~20

6~30

10~50

20~60

 

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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.

FAQ

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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