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Ductile Iron Marine Gate Valve CB/T3591 Compliant, Flanged Connection, PN10/PN16 Pressure Rating
Product Spotlights
CB/T3591-compliant marine gate valve made from durable ductile iron for superior strength. Features flanged connections (PN10/PN16) for secure installation in seawater, ballast, and fuel systems. Offers reliable sealing, optional gear operation, and global export readiness from an ISO9001-certified manufacturer.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Other, Ductile Iron
Application:
Other, Marine and Shipbuilding Systems
Type:
Other, Gate Valve
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, Ductile Iron
Application
Other, Marine and Shipbuilding Systems
Type
Other, Gate Valve
Connection Type
Flanged
Pressure Rating
PN10/PN16
Standard Compliance
CB/T3591
Seat Material
Bronze or Stainless Steel (Optional)
Packing Material
Graphite or PTFE
Operation
Handwheel (Gear Operation Optional)
As a leading valve manufacturer, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing robust and reliable fluid control solutions for demanding marine applications. Our Ductile Iron Marine Gate Valve, engineered in strict compliance with the CB/T3591 standard, is designed to deliver exceptional performance, durability, and safety in shipbuilding and offshore systems. With a flanged connection for secure installation and pressure ratings of PN10/PN16, this valve is a trusted component for critical seawater, ballast, fuel, and general service lines.
Core Product Features & Technical Advantages:
- Superior Material Construction: The valve body and bonnet are crafted from high-grade ductile iron, offering an excellent balance of strength, toughness, and corrosion resistance, significantly outperforming standard cast iron in impact and pressure resistance.
- Standard-Compliant Design: Manufactured to meet the CB/T3591 standard for marine valves, ensuring compatibility with marine system specifications and enhancing acceptance in shipbuilding projects.
- Reliable Sealing System: Features a precision-machined wedge gate and seat (available in bronze or stainless steel) for bubble-tight shut-off. The stem packing, typically graphite or PTFE, ensures minimal fugitive emissions and long service life.
- Robust Flanged Connection: The flanged ends conform to common standards like GB, ANSI, or JIS (specify upon request), facilitating easy, bolt-on installation and creating a rigid, leak-free connection to the pipeline.
- Versatile Pressure Handling: Rated for PN10 (10 bar) and PN16 (16 bar) working pressures, making it suitable for a wide range of low to medium-pressure marine services.
- Multiple Operation Options: Standard handwheel operation provides direct and easy control. For larger valve sizes or higher torque requirements, a gear operation box is available as an optional upgrade.
Detailed Specifications & Benefits:
The following table outlines key parameters that underscore the valve's capability and design integrity:
| Parameter | Specification / Value | Client Benefit |
| Body/Bonnet Material | Ductile Iron | High strength and impact resistance for long-term reliability. |
| Seat/Wedge Material | Bronze or Stainless Steel | Excellent wear and corrosion resistance for repeated cycling. |
| Pressure Rating | PN10 / PN16 | Versatility for different system pressure requirements onboard. |
| Connection | Flanged | Ensures a secure, stable, and easily maintainable pipeline connection. |
| Design Standard | CB/T3591 | Guarantees compliance with marine industry specifications. |
| Operation | Handwheel (Gear Optional) | Provides operational flexibility and ease of use. |
Choosing our valve translates into tangible benefits for your projects: reduced maintenance costs due to durable materials, enhanced system safety from reliable sealing, faster installation times with standardized flanges, and global project compatibility through adherence to the recognized CB/T3591 standard.
Trust and Global Reach: Backed by our ISO9001-certified quality management system since our establishment in 2016, every valve undergoes rigorous testing to ensure consistent performance. Our annual export value of US$1-1.5 Million and presence in major markets across North America, South America, Europe, Asia, Africa, and Oceania testify to the global trust in Zhibang's products. We ship efficiently from key ports like Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring timely delivery to shipyards and marine equipment suppliers worldwide.
Frequently Asked Questions (FAQ):
-
Q: What is the main advantage of ductile iron over cast iron for this marine valve?
A: Ductile iron offers superior tensile strength and impact resistance compared to cast iron. It is less brittle, making it more suitable for the dynamic and sometimes harsh environments encountered in marine applications, thereby extending the valve's service life. -
Q: Can this valve be used for seawater service?
A: Yes, when configured with appropriate seat materials like stainless steel, this valve is well-suited for seawater, ballast, and other corrosive marine media. The ductile iron body also provides good corrosion resistance. -
Q: Are the flanges drilled according to a specific standard?
A: Yes. The flanges are typically drilled to common standards such as GB, ANSI, or JIS. It is crucial to specify your required flange standard and facing (RF, FF) when placing an order to ensure compatibility with your existing piping. -
Q: What is the temperature range for this PN10/PN16 valve?
A: The standard temperature range is typically from -20°C to 120°C for the specified pressure ratings. For applications outside this range, please consult our technical team for material and design validation. -
Q: Is the gear operation unit included, or is it an extra?
A: The gear operation box is an optional feature, usually recommended for valves with larger diameters (e.g., DN300 and above) or for applications requiring easier operation. It is available upon request at an additional cost. -
Q: Do you provide certification for the CB/T3591 compliance?
A: As a manufacturer, we design and produce the valve to meet the CB/T3591 standard. Relevant test reports or manufacturer's declarations can be provided to support compliance claims for your project documentation. -
Q: What is your typical lead time for this product?
A: Lead times vary based on order quantity, size, and configuration. Standard sizes are often available from stock or have shorter production cycles. We provide specific lead time quotes upon receipt of your detailed inquiry. -
Q: How do you ensure quality control?
A: Our ISO9001 certification underpins a systematic quality control process. This includes material inspection, in-process checks during machining and assembly, and final performance tests (such as shell and seat pressure tests) before shipment.
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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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