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Help CenterMarine Compressed Air Ball Valve CB/T3191, For Ship Pneumatic Control Systems, DN15-DN100
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As a leading manufacturer with a strong commitment to maritime fluid control solutions, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our specialized Marine Compressed Air Ball Valve. Engineered to meet the rigorous demands of shipboard environments, this valve is a cornerstone component for reliable pneumatic control systems. With our ISO9001-certified production processes and a decade of industry experience since 2016, we deliver valves that ensure operational safety, efficiency, and longevity for vessels navigating global waters. Our product is designed to provide a secure and leak-proof shut-off for compressed air lines, contributing to the seamless performance of critical onboard systems.
This valve series, manufactured in compliance with the Chinese ship standard CB/T3191, is specifically tailored for pneumatic control applications on various types of ships and offshore platforms. Its robust construction and precise engineering make it an ideal choice for shipbuilders, repair yards, and system integrators seeking dependable components.
Key Features and Technical Advantages:
- Marine-Grade Durability: Constructed from corrosion-resistant materials like bronze and stainless steel, the valve body withstands harsh marine atmospheres, including salt spray and humidity, ensuring a long service life.
- Bubble-Tight Sealing: The precision-machined ball and high-performance seat materials, such as PTFE, provide excellent sealing integrity, preventing air leakage and maintaining system pressure.
- Quick and Easy Operation: The quarter-turn lever handle allows for fast opening and closing, facilitating efficient system control and maintenance. For remote or automated systems, pneumatic actuator options are available.
- Wide Size and Pressure Range: Available in sizes from DN15 to DN100 and pressure ratings including PN10, PN16, and PN25, offering flexibility for different pipeline requirements and system pressures.
- Low Maintenance Design: The simple yet robust design minimizes the need for frequent maintenance. The stem sealing system is designed for easy adjustment or replacement if necessary.
- Versatile Connection Options: Standard threaded ends ensure easy installation into existing pipelines. Flanged connections can be provided as a customizable option for specific project needs.
Technical Specifications Table:
| Parameter | Specification |
| Product Standard | CB/T3191 |
| Nominal Diameter (DN) | 15, 20, 25, 32, 40, 50, 65, 80, 100 |
| Pressure Rating (PN) | 10, 16, 25 |
| Body Material | Bronze (C95800), Stainless Steel (CF8/304, CF8M/316), Carbon Steel (WCB) |
| Seat & Seal Material | PTFE, Reinforced PTFE |
| Operation Temperature | -20°C to +150°C |
| Connection Type | Threaded (NPT, BSPT, BSPP), Flanged (RF, FF) - Optional |
| Operation Mode | Lever Handle (Standard), Gear Operator / Pneumatic Actuator (Optional) |
Benefits for Our Clients:
- Enhanced System Reliability: Reduces downtime and maintenance costs by providing a reliable shut-off point for compressed air.
- Improved Safety: The robust design and secure sealing contribute to the overall safety of the ship's pneumatic systems.
- Cost-Effective Solution: Offers excellent value through durability, reducing the total cost of ownership over the valve's lifespan.
- Global Compliance: Adherence to the CB/T3191 standard ensures the valve meets recognized specifications for marine applications.
- Flexible Sourcing: Available in a comprehensive range of sizes and materials to match specific project blueprints and requirements.
Backed by an annual export value ranging between US$1 Million and US$1.5 Million, Shanghai Zhibang Valve has established a solid reputation for quality and reliability across major markets including North America, South America, Europe, Southeast Asia, Africa, and Oceania. Our products are shipped efficiently from key ports like Shanghai, Guangzhou, and Hong Kong, ensuring timely delivery to your project site. Choosing our Marine Compressed Air Ball Valve means partnering with a certified manufacturer dedicated to maritime excellence. We invite you to contact us for detailed quotations, technical drawings, or to discuss custom configurations for your specific vessel pneumatic control needs.
Frequently Asked Questions (FAQ):
Q1: What is the primary application of this ball valve?
A1: This valve is specifically designed for use in ship pneumatic control systems, handling compressed air for various onboard functions such as control actuators, instrumentation, and starting air for auxiliary engines.
Q2: Does the CB/T3191 standard have international recognition?
A2: CB/T standards are Chinese national standards for shipbuilding. They are widely recognized and accepted in international marine projects, especially for vessels built or serviced in regions following these specifications.
Q3: Can this valve be used with media other than compressed air?
A3: While designed for compressed air, it can potentially handle other non-aggressive gases or liquids compatible with its construction materials (e.g., water, oil). Please consult our technical team for specific media compatibility checks.
Q4: Are actuators included with the valve?
A4: The standard configuration includes a manual lever handle. Pneumatic actuators, electric actuators, or gear operators are available as optional accessories and can be pre-mounted upon request.
Q5: What are the available end connections?
A5: Standard valves typically feature threaded ends (NPT, BSP). Flanged ends (RF, FF) are a common optional configuration. Please specify your connection requirements when inquiring.
Q6: What is the lead time for an order?
A6: Lead time depends on the order quantity, size, material, and configuration. Standard models often have shorter lead times. We provide estimated delivery schedules upon order confirmation.
Q7: Do you provide documentation and certification?
A7: Yes, we can provide material certificates, inspection reports, and other relevant documentation. Our manufacturing facility is ISO9001 certified, ensuring consistent quality management.
Q8: How do I select the right material for my application?
A8: Material selection depends on the operating environment and media. Bronze is common for general seawater/air service, stainless steel (304/316) offers higher corrosion resistance, and carbon steel is suitable for certain high-strength applications. Our sales engineers can assist you in making the appropriate choice.
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