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CB/T3591 Marine Gate Valve Supplier for Newbuilding and Repair Projects at Shipyards
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Standard:
Other, CB/T3591 Marine Standard
Material:
Other, Cast Steel, Stainless Steel, Bronze
Application:
Other, Shipbuilding Newbuilding
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Standard
Other, CB/T3591 Marine Standard
Material
Other, Cast Steel, Stainless Steel, Bronze
Application
Other, Shipbuilding Newbuilding
Connection Type
Flanged, Threaded, Welded
Pressure Rating
PN10, PN16, PN25, Class 150, Class 300
Operation Type
Handwheel, Gear Operated, Actuated
Seat Type
Metal Seated, Resilient Seated
Brand
Zhibang
As a professional manufacturer with ISO9001 certified quality management, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing reliable and durable marine valves for global shipbuilding and repair industries. Established in 2016, we have built a solid reputation by supplying high-performance CB/T3591 Marine Gate Valves that meet the stringent demands of shipyards worldwide. Our valves are engineered for critical service in seawater, ballast, fuel oil, and general ship piping systems, ensuring safe and efficient operation for both newbuilding projects and maintenance overhauls.
Our marine gate valves are designed according to the CB/T3591 standard, which specifies requirements for marine flanged iron and steel gate valves. This ensures compatibility and reliability within complex shipboard piping networks.
- Robust Construction & Material Selection: We offer valves in various materials including Cast Steel (WCB, WCC), Stainless Steel (CF8, CF8M), and Bronze to combat corrosion from seawater, bilge water, and other aggressive marine media. The body and bonnet are designed for high mechanical strength.
- Superior Sealing Performance: Features a wedge or parallel slide gate design providing a tight seal. Options include metal-to-metal seats for high temperatures or resilient seats (EPDM, NBR) for bubble-tight shutoff in lower temperature services.
- Versatile Operation & Installation: Available with handwheel operation for manual control, or equipped with gear operators for high-torque applications. Actuator mounting pads are optional for automated remote control. Connection types include flanged (RF, FF), threaded (NPT, BSP), and butt-weld ends for seamless integration.
- Designed for Marine Harshness: Stem sealing is enhanced with multiple packing rings and a gland follower to prevent leakage. External surfaces are treated with marine-grade epoxy coatings for superior corrosion resistance against salt spray and humidity.
- Full Compliance & Traceability: Each valve is manufactured, tested, and documented per CB/T3591 and other relevant marine standards. Materials are fully traceable, and certificates (Material Test Report, Pressure Test Report) are provided.
The technical specifications for our standard range are summarized below. Custom configurations are available upon request.
| Parameter | Specification |
|---|---|
| Design Standard | CB/T3591 |
| Size Range (Flanged) | DN50 to DN500 (2" to 20") |
| Pressure Rating | PN10, PN16, PN25, Class 150, Class 300 |
| Temperature Range | -20°C to +425°C (dependent on material & seat) |
| Test Standards | Shell Test: 1.5 x PN, Seat Test: 1.1 x PN |
| Face-to-Face | As per CB/T3591, ISO 5752, or ANSI B16.10 |
Choosing Zhibang valves brings distinct advantages to your project:
- Extended Service Life: High-quality materials and corrosion protection reduce maintenance frequency and downtime, lowering the total cost of ownership.
- Enhanced System Safety: Reliable sealing and robust pressure containment ensure the safety of crew, cargo, and the vessel itself.
- Project Flexibility: We support both large-scale newbuilding orders and small-batch repair kits, with flexible logistics from major Chinese ports like Shanghai, Guangzhou, Hong Kong, and Beijing.
- Global Acceptance: Our products are trusted by shipyards and marine service providers across North America, Europe, Asia, Africa, and Oceania, demonstrating their global reliability.
With an annual export value consistently between US$1 Million and US$1.5 Million, our track record speaks for our commitment to quality and customer satisfaction. Our extensive reach across all major global markets proves the adaptability and acceptance of our CB/T3591 Marine Gate Valves in diverse operating conditions and regulatory environments. For your next newbuilding or repair project, partner with a supplier that combines manufacturing expertise with proven international logistics. Contact us today to discuss your specific requirements and receive a competitive quotation backed by our ISO9001 certified quality assurance.
Frequently Asked Questions (FAQ)
-
Q: What is the main advantage of a CB/T3591 valve compared to other standards?
A: The CB/T3591 standard is specifically developed for marine applications in China, ensuring the valve's design, materials, and testing are optimized for the harsh shipboard environment, including vibration, corrosion, and pressure cycling. -
Q: Can you supply valves for ships registered under international classification societies (e.g., ABS, DNV, LR)?
A: Yes. While our standard is CB/T3591, our manufacturing process and material certifications allow us to provide valves that can meet the requirements of major international classification societies. Specific approvals can be arranged upon request. -
Q: What is the typical delivery lead time for an order?
A: For standard specifications and moderate quantities, lead time is typically 4-8 weeks. For large projects or customized valves, we provide a detailed schedule upon order confirmation. Our multiple port options facilitate efficient shipment. -
Q: Do you offer valves suitable for seawater and ballast systems?
A: Absolutely. We recommend specific material grades like CF8M (316 stainless steel) or bronze, combined with appropriate seat materials and coatings, to handle the corrosive nature of seawater and ballast effectively. -
Q: Is gear operation necessary for larger valve sizes?
A: For valves above DN200 (8") or in high-pressure applications, a gear operator is highly recommended. It reduces the required handwheel force, making operation safer and easier for the crew. -
Q: What documentation is provided with the valves?
A: Standard documentation includes a commercial invoice, packing list, and material/component certificates. Pressure test reports and certificates of conformity per CB/T3591 are also provided. -
Q: Can you provide valves for emergency repair situations?
A: Yes, we maintain a limited stock of common sizes and specifications for urgent repair needs. Please contact us directly with your specific requirements for expedited service. -
Q: How do you ensure quality control during manufacturing?
A: Our ISO9001 certified quality management system governs every step, from raw material inspection to machining, assembly, and final testing (including shell and seat pressure tests). Each valve is individually tested 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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