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Help CenterCB/T467-1995 Bronze Gate Valve for Offshore Platform Seawater Lines
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As a specialized manufacturer with a strong export footprint, Shanghai Zhibang Valve Manufacture Co., Ltd. presents our high-performance CB/T467-1995 Bronze Gate Valve, engineered specifically for the demanding environment of offshore platform seawater systems. Built to the rigorous Chinese ship standard CB/T467-1995, this valve is designed to offer reliable shut-off, exceptional corrosion resistance against seawater, and long-term durability in marine applications. We combine proven metallurgy with precision manufacturing to deliver a product that meets the stringent requirements of the global offshore oil & gas and marine industries, ensuring system integrity and operational safety. Our commitment to quality, backed by ISO9001 certification, makes this valve a trusted component for critical seawater lines worldwide.
This bronze gate valve is constructed for full-port flow, minimizing pressure drop when fully open. Its robust design features a rising stem with an outside screw and yoke (OS&Y), allowing for clear visual indication of the valve position—a critical safety feature. The bronze-to-bronze seating provides excellent wear resistance and reliable sealing over extended service life. Key technical specifications and construction details include:
- Superior Corrosion Resistance: The bronze body and trim are specifically selected for excellent resistance to seawater corrosion, pitting, and cavitation, ensuring longevity in harsh offshore environments.
- Robust Sealing: The precision-machined wedge disc and seat provide a bubble-tight seal, preventing leakage in high-pressure seawater systems.
- Durable Operation: The stainless steel stem and large, ergonomic handwheel allow for smooth operation even after prolonged periods of inactivity, reducing maintenance efforts.
- Versatile Configurations: Available in flanged ends per common standards (ANSI, JIS, DIN) or threaded connections, with options for gear operators for larger sizes or hard-to-reach locations.
- Compliance & Traceability: Manufactured in strict compliance with CB/T467-1995. All valves are traceable with material certificates and test reports available upon request.
Below is a summary of typical specifications for our CB/T467-1995 Bronze Gate Valve range:
| Parameter | Specification / Value |
|---|---|
| Design Standard | CB/T467-1995 (Marine Standard) |
| Size Range (Nominal) | DN15 (1/2") to DN300 (12") |
| Pressure Class | Class 150 (PN16) Standard. Class 300 available. |
| Body & Trim Material | Bronze ASTM B62 / C95800 or equivalent naval bronze |
| Stem Material | Stainless Steel (SS304 or SS316) |
| Seat & Disc | Bronze to Bronze |
| Test Standards | Shell Test & Seat Leakage Test per CB/T467 |
Choosing our valve brings significant benefits to your project. It ensures system reliability by preventing unexpected failures in critical seawater cooling, firefighting, or ballast systems. The low maintenance requirement translates to reduced lifecycle costs and less downtime. Furthermore, its standard-compliant design facilitates easier approval processes for offshore projects and simplifies spare parts inventory.
Shanghai Zhibang Valve is a proven partner for industrial valves, with an annual export value between US$1 Million and US$1.5 Million, serving diverse markets from North America and Western Europe to Southeast Asia and the Middle East. Our ISO9001-certified manufacturing processes guarantee consistent quality in every valve we produce. This specific CB/T467-1995 Bronze Gate Valve embodies our expertise in marine applications, offering a reliable, cost-effective solution without compromising on performance or safety. For your next offshore platform, FPSO, or shipyard project requiring dependable seawater isolation valves, contact us for detailed specifications, competitive pricing, and reliable delivery from major Chinese ports like Shanghai and Guangzhou.
Frequently Asked Questions (FAQ)
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Q: What does "CB/T467-1995" signify for this valve?
A: CB/T467-1995 is a Chinese national professional standard specifically for marine valves. It defines the technical requirements, materials, testing methods, and inspection rules for bronze gate valves used on ships and offshore structures, ensuring they are fit for marine service. -
Q: Why is bronze the preferred material for seawater service?
A: Bronze alloys, particularly naval bronzes like C95800, exhibit excellent resistance to corrosion and erosion from flowing seawater. They also have good anti-fouling properties and maintain strength in marine environments, making them superior to many other metals for this application. -
Q: Can this valve be used for services other than seawater?
A: Yes. While optimized for seawater, this bronze gate valve is also suitable for other corrosive media in marine and industrial settings, such as brackish water, certain oils, and non-aggressive chemicals within its pressure-temperature ratings. Always confirm suitability for your specific media. -
Q: Are gear operators available for larger valve sizes?
A: Absolutely. For valves typically above DN80 (3") or in applications requiring easier operation, we offer optional manual gearboxes. This reduces the operating torque required at the handwheel, making the valve easier to open and close. -
Q: What documentation is provided with the valve?
A: Standard documentation includes a product certificate of compliance, a material test report for the main components, and a pressure test report. Additional certifications like NDT reports can be provided upon request. -
Q: What are the common end connection standards you supply?
A: We commonly manufacture flanged ends to ANSI B16.5, JIS B2220, or DIN standards. Threaded ends (NPT, BSP) are also available. Please specify your required standard when inquiring. -
Q: How do you ensure quality control during manufacturing?
A: Our production follows a strict quality management system certified to ISO9001. Every valve undergoes rigorous in-process inspections and final tests, including hydrostatic shell tests and seat leakage tests as per the CB/T467 standard, before shipment. -
Q: What is your typical lead time and shipping process?
A: Lead time varies based on size, quantity, and configuration. We ship efficiently from major ports including Shanghai, Guangzhou, and Hong Kong, with extensive experience in export logistics to all our main markets worldwide.
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