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Help CenterCB/T3191 Full Bore Marine Ball Valve, Carbon Steel Body DN50-DN200 PN16
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As a professional manufacturer established in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd specializes in producing high-performance valves for demanding applications. Our CB/T3191 Full Bore Marine Ball Valve with a carbon steel body is engineered to meet the rigorous standards of marine and industrial fluid control systems. This valve offers superior flow efficiency and reliable sealing, making it an ideal choice for shipbuilding, offshore platforms, and various process industries where uncompromised performance is required.
The core value of this valve lies in its full bore design, which minimizes flow resistance and pressure drop, ensuring maximum throughput and energy efficiency for your pipeline systems. Combined with a robust carbon steel construction and adherence to the CB/T3191 standard, it delivers durability and long service life even in harsh marine environments.
We understand the critical need for reliability in valve operations. Our manufacturing process is backed by an ISO9001 certified quality management system, ensuring every valve undergoes stringent inspection and testing before shipment. With an annual export value ranging between US$1 Million and US$1.5 Million, our products have gained trust from clients across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and many other regions worldwide.
Product Features and Technical Specifications:
- Full Bore Design: The internal diameter matches the pipeline diameter, providing unobstructed flow with minimal turbulence and pressure loss. This is crucial for systems requiring high flow rates or handling viscous media.
- Carbon Steel Body: Offers excellent mechanical strength and resistance to corrosion (with appropriate surface treatment), suitable for a wide range of industrial fluids including water, oil, gas, and certain chemicals.
- Standard Compliance: Manufactured according to the Chinese CB/T3191 standard for marine valves, ensuring dimensional compatibility, performance criteria, and material requirements are met for marine applications.
- Size and Pressure Range: Available in nominal diameters (DN) from 50 to 200, catering to various pipeline scales. The pressure rating of PN16 indicates it can handle a nominal pressure of 16 bar, suitable for many marine and industrial pressure systems.
- Robust Sealing Options: Depending on the service media and temperature, sealing seats can be PTFE for general applications or metal for high-temperature/pressure scenarios. This ensures leak-proof operation.
- Operational Simplicity: Typically equipped with a manual lever or handwheel for easy 90-degree rotation to open or close, providing quick and reliable flow control.
- Connection Ready: Designed with flanged ends for secure and standardized connection to pipeline flanges, facilitating easy installation and maintenance.
- Durable Construction: The ball and stem are designed for low friction and high wear resistance, contributing to a long operational lifecycle with minimal maintenance.
Key Technical Parameters Table:
| Parameter | Details / Range |
| Design Standard | CB/T3191 |
| Body Material | Carbon Steel |
| Nominal Diameter (DN) | 50, 65, 80, 100, 125, 150, 200 |
| Pressure Rating (PN) | 16 |
| Connection Type | Flanged (Full Bore) |
| Operation Type | Manual (Lever/Handwheel) |
| Seat Material Options | PTFE, Metal (customizable) |
| Temperature Range | Applicable range depends on seat material |
| Flow Characteristic | Full Port, Minimal Resistance |
Benefits for Our Clients:
- Enhanced System Efficiency: The full bore design reduces energy consumption by lowering pressure drop, leading to cost savings in pumping operations.
- Reliability in Critical Applications: Built to CB/T3191 and using robust materials, it ensures dependable performance in marine environments where failure can have significant consequences.
- Wide Size Availability: The DN50-DN200 range allows you to select the perfect fit for different line sizes within your project, from auxiliary lines to main pipelines.
- Simplified Inventory & Maintenance: Standardized design and common flange connections reduce the need for special adapters and make maintenance procedures straightforward.
- Cost-Effective Solution: As a direct manufacturer, we offer competitive pricing without compromising on quality, providing value for your procurement budget.
- Global Supply Capability: With major shipment ports in Shanghai, Guangzhou, Hongkong, and Beijing, we can efficiently deliver products to your location worldwide.
Choosing Shanghai Zhibang's CB/T3191 Full Bore Marine Ball Valve means partnering with a certified manufacturer whose products are proven in global markets. Our ISO9001 certification is a testament to our commitment to consistent quality. The trust we've built, reflected in our export value and diverse market reach across continents from North America to Africa and Oceania, underscores our capability to meet international standards and client expectations. This valve is not just a component; it's a reliable solution designed to enhance the performance and safety of your fluid systems. We encourage you to contact us for detailed specifications, pricing, or to discuss custom requirements for your specific marine or industrial application.
Frequently Asked Questions (FAQ):
Q1: What does "Full Bore" mean in this ball valve?
A: "Full Bore" or "Full Port" means the internal diameter of the valve's ball and passage is approximately equal to the inner diameter of the connecting pipeline. This design minimizes flow restriction, allowing for higher flow rates and lower pressure drop compared to standard or reduced bore valves.
Q2: Is this valve suitable only for marine use?
A: While it is designed and standardized (CB/T3191) for marine applications, its robust construction and performance characteristics also make it suitable for many industrial applications, such as oil & gas, chemical processing, power plants, and water treatment systems where similar pressure and corrosion resistance requirements exist.
Q3: What fluids can this carbon steel valve handle?
A: With carbon steel body and appropriate sealing seats (like PTFE), it can handle common industrial fluids including water, seawater, air, oil, fuel, and non-aggressive chemicals. For specific corrosive media, material compatibility should be verified, and alternative materials or coatings may be available upon request.
Q4: What is the significance of the PN16 pressure rating?
A: PN16 indicates the valve's nominal pressure rating is 16 bar at ambient temperature conditions. It defines the maximum pressure the valve is designed to withstand safely in continuous operation. Ensure your system operating pressure is within this rating.
Q5: Are other sizes or pressure ratings available?
A: The standard offering covers DN50 to DN200 at PN16. However, as a manufacturer, we can often accommodate requests for other sizes (larger or smaller) or different pressure ratings (like PN25, PN40). Please inquire for customization options.
Q6: What type of end connections does it have?
A: This valve series typically comes with flanged ends, designed to connect directly to pipeline flanges of corresponding DN size and pressure class. The flange face type (e.g., RF) and standards can be specified.
Q7: Is the valve operation manual only?
A: The standard configuration is manual operation via a lever or handwheel. For remote or automated control, options for actuator attachment (electric, pneumatic) may be available. Please consult with us for actuated valve solutions.
Q8: How does the ISO9001 certification benefit me as a buyer?
A: Our ISO9001 certification ensures that our manufacturing processes, quality control, testing, and documentation follow internationally recognized standards. This provides you with confidence in product consistency, reliability, and traceability, reducing risks associated with valve performance and failure.
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