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CB/T3191 Manual Gear Marine Ball Valve With Cast Steel Body and Flanged Ends DN50-DN200
Product Spotlights
CB/T3191 standard marine ball valve with durable cast steel body and flanged ends (DN50-DN200). Manual gear operation for easy control. Designed for reliability in harsh marine environments like seawater systems. Compliant with industry standards, suitable for various ship piping applications. ISO9001 certified manufacturer with global export experience.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Application:
Other, Marine Systems
Standard:
CB/T3191
Material:
Cast Steel Body
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Application
Other, Marine Systems
Standard
CB/T3191
Material
Cast Steel Body
Connection Type
Flanged Ends
Size Range
DN50 - DN200
Operation Type
Manual Gear
Product Type
Ball Valve
Brand
Shanghai Zhibang Valve
As a dedicated manufacturer since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd specializes in producing robust and reliable valves for demanding applications. Our CB/T3191 Manual Gear Marine Ball Valve with Cast Steel Body and Flanged Ends is engineered to meet the rigorous requirements of marine environments. Designed for precise flow control in ship piping systems, this valve offers durability, ease of operation, and reliable sealing, making it a trusted component for shipbuilders and marine engineers worldwide.
This valve is a cornerstone for fluid management in marine applications, from ballast systems to fuel lines and general service piping. Its construction prioritizes longevity and performance under harsh conditions, including exposure to saltwater, variable pressures, and mechanical stress.
Key Features and Technical Specifications:
- Cast Steel Body: Provides superior strength and corrosion resistance compared to standard materials, ensuring structural integrity in marine environments.
- Flanged Ends (DN50-DN200): Facilitates secure and straightforward installation into existing flanged piping systems, minimizing installation time and complexity.
- Manual Gear Operation: The geared manual actuator allows for smooth and precise opening/closing control, even under higher pressure differentials, reducing operator effort.
- Ball Valve Design: Offers quick shut-off, low flow resistance, and reliable sealing with a rotating ball mechanism, suitable for on/off service in liquid and gas lines.
- CB/T3191 Standard Compliance: Manufactured according to Chinese shipbuilding valve standards, ensuring compatibility with marine industry specifications for design, materials, and testing.
- Robust Sealing: Utilizes durable sealing materials suitable for a range of marine fluids, preventing leaks and ensuring system safety.
- Versatile Application: Suitable for various marine systems including cooling water, bilge, firefighting, fuel oil, lubricating oil, and compressed air lines.
Detailed Specifications Table:
| Parameter | Description / Range |
| Product Standard | CB/T3191 |
| Body Material | Cast Steel |
| Connection Type | Flanged Ends |
| Size Range (Nominal Diameter) | DN50, DN65, DN80, DN100, DN125, DN150, DN200 (Other sizes available upon request) |
| Operation Type | Manual Gear (Handwheel) |
| Pressure Rating | Standard ratings applicable for marine service; specific ratings customizable |
| Temperature Range | Suitable for typical marine fluid temperatures |
| Sealing Material | Durable elastomers or PTFE, selected based on application |
| Surface Treatment | Paint or coating for enhanced corrosion protection optional |
Benefits for Our Clients:
- Enhanced System Reliability: The robust cast steel construction and reliable sealing minimize failure risks, contributing to safer and more efficient ship operations.
- Simplified Installation & Maintenance: Flanged connections and manual gear operation reduce installation complexity and allow for easy in-line servicing or replacement.
- Cost-Effective Solution: Offers a durable, long-service-life valve that reduces long-term replacement and maintenance costs compared to less robust alternatives.
- Compliance with Industry Standards: Adherence to CB/T3191 ensures the valve meets recognized marine industry criteria, facilitating approval processes for shipbuilding projects.
- Operational Flexibility: The manual gear provides precise control suitable for various operational scenarios without requiring powered actuators.
Shanghai Zhibang Valve Manufacture Co., Ltd stands behind this product with a commitment to quality backed by our ISO9001 certification. With an annual export value ranging between US$1 Million and US$1.5 Million, we have established a strong presence in global markets including North America, South America, Europe, Asia, Africa, and Oceania. Our valves are shipped from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring efficient logistics for our international clients. Choose our CB/T3191 Manual Gear Marine Ball Valve for a proven, reliable, and standard-compliant component that enhances the performance and safety of your marine piping systems. Contact us today for specifications, pricing, or to discuss custom requirements for your project.
Frequently Asked Questions (FAQ):
-
What is the primary advantage of a cast steel body for a marine valve?
Cast steel offers higher mechanical strength and better resistance to corrosion and impact compared to materials like cast iron, making it more suitable for the harsh, high-pressure, and corrosive environment of marine applications. -
Can this valve be used for seawater applications?
Yes, the cast steel body and appropriate sealing materials are designed to handle seawater and other corrosive marine fluids. Specific material selections for internal components can be discussed based on your exact fluid media. -
What does "Manual Gear" operation mean?
It refers to a handwheel-operated mechanism that uses a gear reduction system. This design allows an operator to open or close the valve more easily, especially for larger sizes or under higher pressures, compared to a direct manual lever. -
Are the flanges standard dimensions?
The flanged ends are manufactured to standard dimensions compatible with common marine piping flange standards (e.g., ANSI, DIN, JIS). Exact flange standards can be specified upon order to match your existing piping. -
Is the valve suitable for both liquid and gas services on ships?
Yes, the ball valve design is effective for on/off control of various fluids, including liquids like water, oil, and fuels, as well as gases like compressed air. -
What pressure ratings are available?
Standard pressure ratings are aligned with marine service requirements. Specific pressure class requirements (e.g., PN16, PN25) can be accommodated; please provide your required rating during inquiry. -
Does compliance with CB/T3191 mean it's only for Chinese ships?
No. While CB/T3191 is a Chinese standard for ship valves, its technical requirements for design, materials, and performance are recognized and often align with international marine industry practices, making the valve suitable for global shipbuilding projects. -
Can I order sizes outside the DN50-DN200 range?
Yes, as a manufacturer, we can produce valves in other nominal diameters. Please contact us to discuss your specific size requirements.
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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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