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Marine Ballast Water Gate Valve, GB/T Compliant, Ductile Iron, Zinc Plated, PN10/PN16 Pressure Rating
Product Spotlights
GB/T compliant marine gate valve designed for ballast water systems. Constructed from durable ductile iron with protective zinc plating for superior corrosion resistance in seawater. Available in PN10 and PN16 pressure ratings for flexible system integration. Features reliable metal seat sealing and manual handwheel operation. A robust and dependable choice from an ISO9001 certified manufacturer with global export experience.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Ductile Iron Body with Zinc Plating
Application:
Other, Marine Ballast Water Systems
Pressure Rating:
PN10 / PN16
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, Ductile Iron Body with Zinc Plating
Application
Other, Marine Ballast Water Systems
Pressure Rating
PN10 / PN16
Standard Compliance
GB/T Compliant
Connection Type
Flanged (Standard)
Operation
Manual Handwheel
Seat Type
Metal Seat
Coating/Finish
Zinc Plated for Corrosion Resistance
As a professional valve manufacturer established in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing robust and reliable fluid control solutions for demanding marine applications. Our Marine Ballast Water Gate Valve is engineered to meet the stringent requirements of shipboard ballast water management systems. Built with ductile iron and protected by a durable zinc plating, this valve offers exceptional strength and corrosion resistance, ensuring long-term performance and safety in harsh seawater environments. With compliance to GB/T standards and pressure ratings of PN10 and PN16, it represents a dependable choice for shipbuilders, shipyards, and marine equipment suppliers worldwide.
This valve is designed specifically for the critical task of controlling ballast water flow, a vital function for vessel stability and trim. Its robust construction and reliable sealing mechanism provide secure shut-off, preventing unintended water transfer and contributing to environmental protection efforts. We understand the importance of durability and low maintenance in marine operations, which is why every component is selected and tested for maximum service life.
Core Product Features & Technical Advantages:
- Superior Material Construction: The valve body is crafted from high-grade ductile iron (also known as nodular cast iron), which provides an excellent combination of tensile strength, impact resistance, and durability, far surpassing standard cast iron.
- Enhanced Corrosion Protection: A uniform zinc plating is applied to all external surfaces. This sacrificial coating acts as a barrier against saltwater corrosion, rust, and atmospheric degradation, significantly extending the valve's lifespan in marine settings.
- Dependable Pressure Handling: Available in both PN10 (10 bar) and PN16 (16 bar) pressure ratings, offering flexibility for different system design pressures and ensuring safe operation under the working conditions of most ballast systems.
- Standard Compliance: Manufactured in accordance with relevant GB/T (Chinese National Standard) specifications, ensuring dimensional accuracy, material quality, and performance consistency that meets recognized industry benchmarks.
- Robust Sealing & Operation: Features a metal-to-metal seat design for a tight, bubble-tight shut-off when fully closed. The rising stem design provides clear visual indication of valve position. Operation is via a sturdy handwheel, designed for ease of use even with protective gloves.
- Flanged Connection: Comes with standard flanged ends (specific flange standard can be specified), facilitating secure and leak-free piping connections that are standard in marine piping systems.
Detailed Technical Specifications:
| Parameter | Specification |
| Product Type | Marine Ballast Water Gate Valve |
| Primary Material | Ductile Iron (Body, Bonnet, Gate) |
| Surface Treatment | Zinc Plated (Electroplated) |
| Pressure Ratings | PN10 (10 bar / 145 psi), PN16 (16 bar / 232 psi) |
| Design Standard | Compliant with GB/T Standards |
| Connection End | Flanged (Common standards: GB, ANSI, JIS, DIN - customizable) |
| Operation Mode | Manual Handwheel (Other actuators available upon request) |
| Seat Type | Metal Seat (Resilient seat optional) |
| Stem Type | Rising Stem (OS&Y) |
| Fluid Media | Seawater, Ballast Water, Fresh Water |
| Temperature Range | Suitable for standard marine ambient temperatures |
Benefits for Your Marine Projects:
- Long-Term Reliability: Reduces maintenance frequency and replacement costs, minimizing vessel downtime.
- System Safety: Ensures secure isolation of ballast tanks, contributing to overall ship stability and operational safety.
- Environmental Compliance: A reliable shut-off valve is a key component in preventing accidental discharge and managing ballast water as per environmental guidelines.
- Global Supply Compatibility: With exports reaching North America, South America, Europe, Asia, Africa, and Oceania, our valves are proven in diverse maritime regions and conditions.
- Manufacturer Direct Value: Dealing directly with our factory allows for competitive pricing, better quality control, and support for customization requests.
Frequently Asked Questions (FAQ):
-
Q: What is the main advantage of using ductile iron over standard cast iron for this valve?
A: Ductile iron offers superior mechanical properties, including higher tensile strength and much better impact resistance. It is less brittle than gray cast iron, making it more suitable for the dynamic stresses and potential shocks experienced in marine piping systems. -
Q: How does the zinc plating protect the valve in seawater?
A: Zinc plating provides a galvanic barrier. Even if the coating is slightly scratched, the zinc sacrificially corrodes before the underlying iron, offering continued protection and dramatically slowing the corrosion process in saline environments. -
Q: Can this valve be used with other fluids besides ballast water?
A: Yes. While designed for ballast water, its construction makes it suitable for other non-aggressive saltwater or freshwater services on ships, such as cooling water, fire mains, or tank vent lines, provided pressure and temperature ratings are respected. -
Q: What is the difference between PN10 and PN16, and how do I choose?
A: PN stands for "Pressure Nominale." PN10 indicates a nominal pressure rating of 10 bar, while PN16 is rated for 16 bar. The choice depends on the maximum working pressure of your specific ballast system. PN16 offers a higher safety margin for systems with higher pump pressures. -
Q: Are other connection standards besides GB/T flanges available?
A: Absolutely. We commonly supply valves with ANSI, JIS, DIN, or other international flange standards to match existing ship piping. Please specify your required flange standard, pressure class, and facing during inquiry. -
Q: Is the valve suitable for automated operation?
A: The standard version is manual. However, we can provide modifications to accommodate electric, pneumatic, or hydraulic actuators for remote or automated control systems. This is a customizable feature. -
Q: Do you provide any documentation or certification with the valves?
A: Yes. As an ISO9001 certified manufacturer, we provide a material certificate, hydro-test report, and general product documentation. Specific certifications can be discussed based on project requirements. -
Q: What are the main shipping ports and lead times?
A> We ship efficiently from major Chinese ports including Shanghai, Guangzhou, Hong Kong, and Beijing. Lead times vary based on order quantity and specifications; standard products typically have shorter lead times.
Shanghai Zhibang Valve Manufacture Co., Ltd. combines manufacturing expertise with a global trade footprint, exporting over USD 1 million in valves annually to markets across five continents. Our ISO9001 certification underpins a consistent quality management system, ensuring every Marine Ballast Water Gate Valve meets our rigorous production standards. We invite shipowners, naval architects, and marine equipment distributors to experience the reliability our products offer. Contact us today to discuss your requirements, request a detailed quotation, or explore customization options tailored to your specific vessel or project needs.
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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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