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Home > Industrial Equipment & Components > Valve > Ball Valve > Corrosion-Resistant Marine Ball Valve for Ship Seawater Systems in Bronze or 316L Stainless Steel
Corrosion-Resistant Marine Ball Valve for Ship Seawater Systems in Bronze or 316L Stainless Steel
Product Spotlights
Engineered for harsh marine environments, this ball valve offers exceptional corrosion resistance in bronze or 316L stainless steel. Its robust design ensures reliable, leak-tight sealing for ship seawater systems, with features like low-torque operation, full-port options, and versatile connections (threaded/flanged). Manufactured under ISO9001, it delivers long service life, reduced maintenance, and enhanced safety, supported by global export experience to diverse markets.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Bronze or 316L Stainless Steel
Application:
Other, Ship seawater piping systems
Standard:
ISO9001 certified manufacturing
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, Bronze or 316L Stainless Steel
Application
Other, Ship seawater piping systems
Standard
ISO9001 certified manufacturing
Connection Type
Threaded or Flanged
Size Range
DN15 to DN100 (1/2“ to 4“)
Pressure Rating
PN16 to PN25
Temperature Range
-20°C to 120°C
Operation Mode
Manual or Pneumatic Actuator
Seal Material
PTFE or reinforced PTFE
End Connection Standard
ISO, ANSI, DIN, JIS
As a professional valve manufacturer established in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing high-performance fluid control solutions for demanding marine applications. Our corrosion-resistant marine ball valves are engineered specifically for ship seawater systems, where reliability and durability against harsh environments are paramount. Designed with precision and manufactured under strict ISO9001 quality management systems, these valves offer exceptional sealing performance, ease of operation, and long service life, ensuring the safe and efficient management of seawater flow on vessels.
The core value of this product lies in its robust construction and material selection. Available in premium bronze or superior 316L stainless steel, the valve body and key components are inherently resistant to corrosion from saltwater, chlorides, and other aggressive marine elements. This directly translates to reduced maintenance costs, minimized risk of system failure, and enhanced operational safety for shipowners and operators.
Detailed Product Features & Technical Specifications:
- Advanced Material Options: Customers can choose between bronze, known for its excellent machinability and natural corrosion resistance in seawater, or 316L stainless steel, which provides superior resistance to pitting and crevice corrosion, especially in high-chloride environments. The selection depends on specific system requirements, budget, and desired longevity.
- Full Port Design: Many models feature a full port (full bore) design, which minimizes flow restriction and pressure drop across the valve. This is crucial for maintaining efficient pump performance and reducing energy consumption in seawater cooling, firefighting, or ballast systems.
- Low Torque Operation: The ball valve design, combined with high-quality PTFE or reinforced PTFE seals, ensures smooth and low-torque operation even after prolonged use. This makes manual operation easier for crew and reduces the strain on pneumatic or electric actuators if automated.
- Bi-Directional Sealing: The valve provides reliable sealing in both flow directions, offering installation flexibility and ensuring leak-tight closure regardless of pressure direction.
- Compact & Robust Structure: The design is compact, saving space in often-cramped ship piping layouts, while the robust construction withstands vibration and mechanical stresses common in marine environments.
- Versatile End Connections: To accommodate global shipbuilding standards, the valves are available with threaded (NPT, BSP) or flanged connections (ISO, ANSI, DIN, JIS specifications), making integration into existing or new piping systems straightforward.
- Customizable Actuation: While standard models are manual (lever or handwheel), options for pneumatic actuators, gear operators, or locking devices are available upon request to meet specific automation or safety requirements.
Key Technical Parameters:
| Parameter | Typical Range / Specification |
| Size (Nominal Diameter) | DN15 (1/2") to DN100 (4") |
| Pressure Rating | PN16, PN20, PN25 (Standard); Higher ratings customizable |
| Temperature Range | -20°C to 120°C for standard seals; Extended range available |
| Body & Ball Material | Bronze (CuSn alloy) or 316L Stainless Steel |
| Seal Material | PTFE, Reinforced PTFE (RPTFE), or other engineered polymers |
| Operation | Manual (Lever/Handwheel), Pneumatic Actuator (Optional) |
| Connection Standards | Threaded: NPT, BSP; Flanged: ISO, ANSI, DIN, JIS |
Benefits to Our Clients:
- Enhanced System Reliability: The corrosion-resistant design drastically reduces the risk of valve failure due to seawater attack, leading to more predictable and reliable system performance.
- Long-Term Cost Savings: Extended service life and reduced maintenance frequency lower the total lifecycle cost of the piping system.
- Operational Safety: Reliable sealing prevents leaks, protecting equipment and ensuring the safety of crew and vessel.
- Global Compatibility: With connections adhering to international standards and shipment from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, these valves are easily integrated into shipbuilding projects worldwide.
- Flexibility & Choice: The option between bronze and 316L stainless steel allows clients to select the optimal material based on technical requirements and project economics.
Shanghai Zhibang Valve Manufacture Co., Ltd. backs its products with a solid track record. Since our establishment in 2016, we have built an annual export value ranging between US$1 Million and US$1.5 Million, supplying our valves to diverse markets including North America, South America, Europe, Asia, Africa, and Oceania. This global reach demonstrates the widespread acceptance and trust in our product quality and performance. Our ISO9001 certification ensures that every valve undergoes rigorous quality control processes, from material inspection to final testing. Choosing our corrosion-resistant marine ball valve means partnering with a proven manufacturer dedicated to delivering durable, efficient, and reliable components for critical ship seawater systems. Contact us today to discuss your specific requirements or to request a detailed quotation.
Frequently Asked Questions (FAQ):
-
Q: What is the main difference between the bronze and 316L stainless steel options for seawater applications?
A: Bronze offers good general corrosion resistance and is often more economical. 316L stainless steel, with its higher molybdenum content, provides superior resistance against pitting and crevice corrosion in chloride-rich seawater, making it suitable for more aggressive or critical applications. -
Q: Are these valves suitable for other marine fluids besides seawater?
A: Yes. Their corrosion-resistant construction makes them suitable for handling other aggressive marine fluids such as bilge water, ballast water, or certain chemical solutions, provided the temperature and pressure ratings are compatible. -
Q: Can the valve be equipped with an actuator for remote operation?
A: Absolutely. While standard versions are manual, we can supply them with pneumatic actuators (or other actuation types upon request) for integration into automated control systems. -
Q: What is the typical lead time for orders?
A: Lead time depends on order quantity, specification, and material choice. Standard sizes and materials typically have shorter lead times. We provide estimated timelines upon order confirmation. -
Q: Do you provide pressure testing reports for the valves?
A: Yes, pressure testing is a standard part of our quality control process. Relevant test documentation can be provided along with the shipment. -
Q: How do I select the correct connection type (threaded vs. flanged)?
A: This depends on your existing piping design. Threaded connections are common for smaller diameters and simpler installations. Flanged connections are preferred for larger sizes, easier maintenance, and systems requiring frequent disassembly. We can advise based on your system drawings. -
Q: Is the valve a full port or standard port design?
A: We offer both. Full port designs minimize flow resistance and are recommended for systems where pressure drop is a concern. Please specify your requirement when inquiring. -
Q: What kind of packaging is used for export shipment?
A: Valves are securely packaged in wooden crates or cartons, depending on size and quantity, to ensure they arrive in perfect condition. We ship from Shanghai, Guangzhou, Hong Kong, or Beijing ports.
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1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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