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Marine Ball Valve With Mill Test Report, CB/T3191 Compliant, Cast Steel Body and Full Port
Product Spotlights
CB/T3191 compliant marine ball valve featuring a durable cast steel body and full port design for minimal pressure drop. Each unit includes a Mill Test Report for material traceability. Ideal for shipboard and offshore applications, it offers reliable performance, versatile actuation options, and is supported by ISO9001 certified manufacturing for global marine industry clients.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Application:
Other, Marine and Offshore Systems
Material:
Cast Steel Body
Port Type:
Full Port
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Application
Other, Marine and Offshore Systems
Material
Cast Steel Body
Port Type
Full Port
Compliance Standard
CB/T3191 Compliant
Certification
ISO9001 Quality Management
Documentation
Mill Test Report Provided
Connection Type
Flanged, Threaded, or Welded End
Pressure Rating
Available in various classes (e.g., PN16, PN25)
Size Range
Customizable from 1/2 inch to 24 inch
As a professional valve manufacturer with a solid foundation since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in delivering high-performance fluid control solutions for demanding marine environments. Our Marine Ball Valve, engineered with a robust cast steel body and a full port design, is manufactured to meet the stringent CB/T3191 standard, ensuring reliability and safety in critical offshore and shipboard applications. Each valve is backed by a comprehensive Mill Test Report, providing full traceability and peace of mind for our global clientele across North America, Europe, Asia, and beyond.
This valve is designed to offer superior flow control with minimal pressure drop, making it an ideal choice for a wide range of marine systems.
Core Design and Technical Advantages:
- Durable Cast Steel Construction: The valve body is crafted from high-grade cast steel, providing exceptional strength and resistance to corrosion, making it suitable for saltwater and harsh offshore conditions.
- Full Port (Full Bore) Design: Unlike standard port valves, the full port design ensures an unobstructed flow path with a bore diameter equal to the pipeline's inner diameter. This minimizes pressure loss, reduces turbulence, and prevents clogging, which is crucial for efficient pumping and transfer operations on vessels.
- CB/T3191 Compliance: Adherence to the Chinese shipbuilding standard CB/T3191 guarantees that the valve meets specific requirements for materials, design, pressure testing, and dimensions relevant to marine applications, ensuring compatibility and safety within shipbuilding projects.
- Comprehensive Quality Documentation: Each valve is supplied with a Mill Test Report (MTR), which details the chemical composition and mechanical properties of the materials used. This documentation is vital for quality assurance, regulatory compliance, and maintenance records in the marine industry.
- Versatile End Connections: Available with flanged, threaded, or welded ends to seamlessly integrate into various piping systems onboard ships, offshore platforms, or in dockyard facilities.
- Reliable Sealing and Operation: Features high-performance seat seals (often PTFE or reinforced PTFE) and a sturdy stem design for bubble-tight shut-off and smooth, low-torque operation, even after prolonged use.
Detailed Technical Specifications:
| Parameter | Specification |
|---|---|
| Body Material | A216 WCB Cast Steel (Standard), other grades like LCC, LCB available upon request. |
| Ball & Stem Material | Stainless Steel (e.g., SS304, SS316) or Chrome Plated Carbon Steel. |
| Seat Seals | PTFE, Reinforced PTFE, or Metal Seats for high-temperature applications. |
| Pressure Rating | Commonly PN16, PN25, PN40. ANSI Class 150, 300 also available. |
| Size Range | From 1/2" (DN15) to 24" (DN600), customizable. |
| Temperature Range | Standard: -20°C to +200°C. Extended ranges with special seals. |
| Operation | Lever, Gearbox, Pneumatic Actuator, or Electric Actuator. |
| Fire Safe Design | Optional, compliant with API 607/API 6FA standards. |
Application Scenarios:
- Shipboard Systems: Ballast water systems, bilge and drain lines, fuel oil transfer, lubricating oil lines, cooling water circuits, and cargo handling systems.
- Offshore Platforms: Seawater intake and discharge, firefighting systems, utility water lines, and process piping.
- Shipbuilding & Repair Yards: For new construction projects and maintenance/retrofit of existing vessel piping.
- Dockside Facilities: Loading arms, bunkering stations, and ship supply pipelines.
Benefits for Your Business:
- Enhanced System Efficiency: The full port design reduces flow resistance, lowering pump energy consumption and improving overall system throughput.
- Reduced Maintenance & Downtime: Robust construction and reliable sealing minimize leaks and failures, leading to lower lifecycle costs and increased operational availability.
- Simplified Procurement & Compliance: CB/T3191 compliance and readily available MTRs streamline the approval process for shipbuilders and marine engineers, accelerating project timelines.
- Global Supply Chain Support: With annual exports between US$1-1.5 million and major shipment ports in Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure timely delivery to key markets worldwide.
Frequently Asked Questions (FAQ):
-
Q: What is the significance of the CB/T3191 standard for this valve?
A: CB/T3191 is a Chinese national standard specifically for marine valves. Compliance ensures the valve is designed, manufactured, and tested to meet the rigorous safety, material, and performance requirements necessary for marine and offshore service. -
Q: Why is a Full Port design important for marine applications?
A: In marine systems, minimizing pressure drop is critical for pump efficiency and to handle viscous fluids like oil or slurry. A full port valve offers virtually no flow restriction, preventing clogging and ensuring maximum flow capacity. -
Q: What exactly is included in the Mill Test Report (MTR)?
A: The MTR is a certificate from the steel mill. It provides verified data on the chemical analysis (carbon, chromium, etc.) and mechanical properties (tensile strength, yield strength, impact values) of the cast steel used for the valve body, ensuring material traceability and quality. -
Q: Can this valve be used with seawater?
A: Yes. The standard cast steel (WCB) body offers good corrosion resistance. For prolonged exposure to seawater, we recommend specifying a higher-grade material like stainless steel (CF8M/SS316) for the body or internal components, which is available as an option. -
Q: What types of actuation are available?
A: The valve can be supplied as a manual unit (lever or gear operated) or automated with pneumatic (air) or electric actuators. The choice depends on your system's remote control needs, available power source, and frequency of operation. -
Q: Do you offer custom sizes or pressure ratings outside the standard range?
A: As a manufacturer, we have the capability to customize valves. Non-standard sizes, special pressure classes (e.g., high-pressure), or unique material combinations can be discussed and engineered to meet specific project requirements. -
Q: What is your lead time for standard orders?
A: Lead times vary based on size, specification, and order quantity. Generally, for standard configurations from our inventory or production schedule, delivery can be arranged efficiently through our major export ports. -
Q: How does your ISO9001 certification benefit me as a buyer?
A: Our ISO9001 certification demonstrates a commitment to a systematic quality management process. It ensures consistent manufacturing standards, reliable product performance, and a framework for continuous improvement, reducing your procurement risk.
Shanghai Zhibang Valve Manufacture Co., Ltd. combines nearly a decade of manufacturing expertise with a commitment to international quality standards, as evidenced by our ISO9001 certification. Serving a diverse global market from North America to Oceania, we understand the critical needs of the marine industry. Our Marine Ball Valve is not just a component; it's a reliable partner for your fluid systems, designed to perform under pressure and backed by transparent documentation. Choose a valve supplier that prioritizes quality, compliance, and customer support. Contact us today to discuss your specific requirements, request a detailed quotation, or obtain samples for evaluation.
Send Inquiry to This Supplier
1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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