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CB/T3191 Pneumatic Marine Ball Valve, Technical Support and On-Site Training Available
Product Spotlights
CB/T3191 standard marine ball valve with pneumatic actuation for remote control. Features robust, corrosion-resistant materials (cast steel, stainless steel, duplex) for harsh offshore environments. Offers reliable sealing, fail-safe actuator options, and a wide size/pressure range. Includes valuable technical support and on-site training. Backed by manufacturer's ISO9001 certification and global export experience.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Standard:
CB/T3191 Marine Standard
Application:
Other, Marine Piping Systems
Material:
Cast Steel, Stainless Steel, Duplex Steel
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Standard
CB/T3191 Marine Standard
Application
Other, Marine Piping Systems
Material
Cast Steel, Stainless Steel, Duplex Steel
Operation Mode
Pneumatic Actuator
Port Size
DN15 to DN500
Pressure Rating
PN10 to PN100
Connection Type
Flanged, Threaded, Welded
Certification
ISO9001 Quality Management System
As a professional valve manufacturer established in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to offer the CB/T3191 Pneumatic Marine Ball Valve, engineered for demanding maritime applications. Our valves are built to provide reliable, long-lasting performance in critical shipboard systems, ensuring safe and efficient operation. We combine robust manufacturing with comprehensive technical support and on-site training, empowering your crew and maintenance teams. This product represents our commitment to delivering high-quality marine solutions backed by our ISO9001-certified quality management system and over $1 million in annual exports to global markets.
The CB/T3191 Pneumatic Marine Ball Valve is designed for precise flow control in various marine piping systems, including ballast, fuel, cooling water, and bilge lines. Its pneumatic actuation allows for remote and automated operation, which is crucial for modern vessel management.
Key Features & Technical Advantages:
- Rugged Marine-Grade Construction: Manufactured from materials like cast steel, stainless steel (CF8/CF8M), or duplex steel to withstand corrosive seawater, high pressures, and harsh offshore environments.
- Pneumatic Actuator Reliability: Equipped with a double-acting or spring-return pneumatic actuator for fail-safe operation (open or close) in case of air supply loss, enhancing system safety.
- Low Torque & Easy Operation: The full port or reduced port design and precision-machined ball ensure smooth, low-friction operation, reducing actuator load and energy consumption.
- Excellent Sealing Performance: Utilizes reinforced PTFE or metal-seated seals to provide bubble-tight shut-off, preventing leaks in critical applications.
- Compact & Space-Saving Design: The design conforms to marine space constraints, allowing for easier installation in crowded engine rooms and piping racks.
- Versatile Configuration Options: Available with accessories such as limit switches, solenoid valves, positioners, and manual overrides for integrated control systems.
Technical Specifications Table:
| Parameter | Specification Range |
| Design Standard | CB/T3191 (Chinese Marine Standard) |
| Valve Size Range | DN15 (1/2") to DN500 (20") |
| Pressure Rating | PN10, PN16, PN25, PN40, PN64, PN100 |
| Connection Type | Flanged (RF, RTJ), Threaded (NPT, BSP), Butt-Weld |
| Body Material | WCB, CF8 (304SS), CF8M (316SS), Duplex Steel |
| Seat Material | Reinforced PTFE, RPTFE, PPL, Metal (Stellite) |
| Operating Pressure (Air Supply) | 4-7 bar (Standard), Customizable |
| Operating Temperature | -20°C to +200°C (Standard), Higher available |
| Actuator Type | Double-Acting, Spring-Return (Fail-Safe) |
Benefits for Your Operations:
- Enhanced System Safety & Reliability: Fail-safe actuator options and robust construction minimize the risk of operational failure at sea.
- Reduced Maintenance & Downtime: Durable materials and quality sealing extend service intervals, lowering lifecycle costs.
- Improved Operational Efficiency: Remote pneumatic control enables faster response times and integration with ship automation systems.
- Compliance & Peace of Mind: Manufactured according to the CB/T3191 marine standard, suitable for classification society approvals.
Our commitment extends beyond the product. With technical support and on-site training available, we ensure your personnel are fully equipped to install, operate, and maintain these valves effectively. Shanghai Zhibang serves a global clientele across North America, South America, Europe, Asia, Africa, and Oceania from key ports like Shanghai, Guangzhou, and Hong Kong. Our annual export value of US$1 Million - US$1.5 Million and ISO9001 certification are testaments to our consistent quality and reliability. Choose the CB/T3191 Pneumatic Marine Ball Valve for a robust, automated flow control solution supported by a dedicated manufacturer. Contact us today for a quotation or to discuss your specific project requirements.
Frequently Asked Questions (FAQ):
-
Q: What is the CB/T3191 standard, and is it internationally recognized?
A: CB/T3191 is a Chinese national standard specifically for marine valves. It is widely accepted and respected in global shipbuilding, especially for vessels built or classed in Asia. It ensures the valve meets rigorous requirements for marine service. -
Q: Can this pneumatic ball valve be used for fuel oil service?
A: Yes, with appropriate material selection (e.g., stainless steel CF8M/316SS body with fire-safe design and suitable seals), it is commonly used for fuel oil, lubricating oil, and other hydrocarbon services on ships. -
Q: What is included in your "on-site training" offer?
A: Our on-site training typically covers proper installation procedures, routine operation, preventive maintenance schedules, troubleshooting common issues, and actuator/accessory setup. The curriculum can be customized based on your team's needs. -
Q: Do you provide the pneumatic actuator, or is it sold separately?
A: The valve is supplied as a complete unit with the pneumatic actuator pre-mounted and tested, ensuring optimal compatibility and performance. It is delivered as one integrated package. -
Q: What happens if the compressed air supply fails during operation?
A: If you select a spring-return (fail-safe) actuator model, the valve will automatically move to a predetermined safe position (fully open or fully closed) upon air failure, a critical feature for marine safety. -
Q: Are these valves suitable for high-pressure seawater cooling systems?
A: Absolutely. By selecting a higher pressure rating (e.g., PN40, PN64) and corrosion-resistant materials like duplex steel or 316 stainless steel, this valve is well-suited for high-pressure seawater applications. -
Q: Can I get valves with specific certifications from classification societies?
A: While our standard production follows ISO9001, valves can be manufactured and tested for specific class approvals (like ABS, DNV, LR, BV, etc.) upon request. Please inquire with your project requirements. -
Q: What is your typical lead time for orders?
A: Lead time depends on the specification, quantity, and material availability. Standard configurations typically have shorter lead times. We provide accurate timelines upon receipt of your detailed inquiry.
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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