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Marine Bronze Gate Valve CB/T467 Flanged End, Shell Tested to 6.0MPa, Air-Tightness Guaranteed
Product Spotlights
Marine bronze gate valve compliant with CB/T467 standard, featuring flanged ends for easy installation. Each valve is rigorously shell tested to 6.0MPa for structural integrity and guaranteed for air-tight sealing, ensuring zero leakage in critical marine applications like seawater, oil, and gas lines. Manufactured with corrosion-resistant CuZn40Sn1 bronze for long service life in harsh environments.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Marine Bronze (CuZn40Sn1)
Application:
Other, Marine
End Connection:
Flanged End (CB/T467 Standard)
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, Marine Bronze (CuZn40Sn1)
Application
Other, Marine
End Connection
Flanged End (CB/T467 Standard)
Pressure Rating
Shell Tested to 6.0MPa
Seal Performance
Air-Tightness Guaranteed
Valve Type
Gate Valve
Operation Type
Handwheel Operated
Applicable Fluid
Sea Water, Fresh Water, Oil, Gas
As a professional manufacturer with ISO9001 certified quality management, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in producing high-performance marine valves. Our Marine Bronze Gate Valve, designed and manufactured in strict compliance with the CB/T467 standard, represents our commitment to reliability in demanding maritime applications. Engineered for critical flow control on ships and offshore platforms, this valve combines the superior corrosion resistance of marine bronze with a robust, shell-tested construction guaranteed to withstand pressures up to 6.0MPa. We ensure every valve delivers guaranteed air-tightness, providing shipbuilders and marine engineers with a dependable solution for isolating pipelines carrying seawater, oil, or gas.
Product Features & Technical Advantages:
- Premium Marine Bronze Construction: The valve body, bonnet, and gate are crafted from CuZn40Sn1 marine bronze, offering exceptional resistance to seawater corrosion, dezincification, and biofouling, ensuring long service life in harsh marine environments.
- Rigorous Pressure Integrity: Each valve undergoes a stringent shell test at 6.0MPa, far exceeding standard operational pressures. This validates the structural integrity of the casting and assembly, preventing leaks and failures under surge conditions.
- Guaranteed Air-Tight Sealing: We implement precision machining and high-quality sealing components to achieve a guaranteed air-tight seal in both the fully open and fully closed positions, minimizing fluid loss and ensuring safe system isolation.
- Standardized Flanged Ends: Features flanged ends manufactured to the CB/T467 standard, ensuring perfect compatibility and easy, leak-free bolting to existing marine piping systems without the need for adapters.
- Optimized Flow Design: The full-port gate design provides a straight-through flow path with minimal pressure drop when open, reducing pumping energy costs and allowing for the passage of cleaning pigs.
- Robust Stem & Gland Assembly: Equipped with a trapezoidal-threaded stem and a reinforced gland packing system (typically graphite or PTFE), offering smooth operation, low torque, and reliable stem sealing to prevent external leakage.
- Versatile Application Scope: Suitable for on/off control of seawater cooling lines, ballast systems, fuel oil lines, bilge lines, and general service applications on various vessels including cargo ships, tankers, and offshore rigs.
Key Technical Specifications:
| Parameter | Specification |
| Product Standard | CB/T467 |
| Valve Type | Rising Stem Gate Valve |
| Body Material | Marine Bronze (CuZn40Sn1) |
| Pressure Rating (Shell Test) | 6.0 MPa |
| Seal Test Medium | Air / Water |
| End Connection | Flanged (CB/T467 Face-to-Face Dimensions) |
| Operation | Handwheel (Standard), Gear Operator (Optional) |
| Temperature Range | -20°C to 200°C |
| Applicable Media | Sea Water, Fresh Water, Oil, Gas, Non-aggressive Fluids |
Benefits for Your Project:
- Enhanced System Safety: The 6.0MPa shell test and guaranteed air-tightness provide a high safety factor, protecting your marine systems from overpressure events and ensuring zero leakage during isolation.
- Reduced Maintenance & Lifetime Cost: The corrosion-resistant marine bronze construction significantly reduces the frequency of replacement and maintenance, leading to lower total cost of ownership over the valve's lifespan.
- Simplified Installation & Inventory: Standard CB/T467 flanges allow for quick, tool-free installation and interchangeability with other compliant components, streamlining your procurement and assembly processes.
- Operational Reliability: Precision engineering ensures smooth, low-torque operation even after prolonged periods in the closed position, guaranteeing reliable performance when you need it most.
- Global Compliance: Manufactured to recognized marine standards, our valves are suitable for integration into vessels destined for global markets, including North America, Europe, Southeast Asia, and beyond.
Frequently Asked Questions (FAQ):
-
Q: What does "CB/T467" specifically refer to?
A: CB/T467 is a Chinese shipbuilding standard that specifies the technical requirements, dimensions (including face-to-face), and test methods for bronze gate valves used in marine applications. Valves conforming to this standard ensure compatibility with marine piping systems designed per these norms. -
Q: Is the 6.0MPa pressure rating the working pressure or test pressure?
A: The 6.0MPa refers to the shell test pressure, which is a hydrostatic test performed to validate the strength of the valve body and bonnet. The maximum allowable working pressure (MAWP) is typically lower, around 1.6MPa or 2.5MPa, depending on the class. Please consult the detailed datasheet for the specific working pressure rating. -
Q: How is the "air-tightness" guaranteed?
A: Every valve undergoes a final seal test using compressed air (or another specified medium) as per standard procedures. This test checks for leakage past the gate and through the stem sealing. Valves passing this stringent test are certified as air-tight, providing a high-confidence seal. -
Q: Can this valve be used for steam service?
A: While the marine bronze material can withstand temperatures up to 200°C, this specific valve is primarily designed for liquid and gas services like seawater, oil, and air. For dedicated steam applications, specific design considerations for seat and packing materials are required. Please inquire for steam-rated alternatives. -
Q: Are the flanges drilled according to international standards like ANSI or DIN?
A: The flanges are drilled according to the CB/T467 standard, which is common in shipbuilding, particularly for vessels built to Chinese or certain international ship classification rules. While bolt patterns may differ from ANSI or DIN, adaptor flanges are available upon request. -
Q: What are the available sizes?
A: We typically produce this valve in a range of sizes common for marine piping, such as DN15 to DN300 (1/2" to 12"). The complete size list and corresponding dimensions are available in our product catalog. -
Q: Do you provide certification documents?
A: Yes, as an ISO9001 certified manufacturer, we can provide a Material Test Report (MTR) for the bronze alloy and a shell test certificate upon request. These documents support quality assurance for critical projects. -
Q: What is the lead time for an order?
A: Lead times vary based on order quantity and valve size. Standard sizes are often available from stock or have shorter production cycles. We provide accurate lead time estimates upon receipt of your specific inquiry.
Backed by our ISO9001 quality system and years of manufacturing expertise since 2016, Shanghai Zhibang has established a strong reputation, exporting over $1 million worth of valves annually to markets worldwide including North America, Europe, Southeast Asia, and Africa. Our Marine Bronze Gate Valve embodies this commitment to quality, offering proven performance where reliability cannot be compromised. Choose a valve built to endure the toughest marine conditions and backed by a professional manufacturer's guarantee. Contact us today for a quotation or to request detailed technical documentation for your next shipbuilding or offshore project.
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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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