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Help CenterCB/T3191 Standard Electric Marine Ball Valve, Technical Support and On-Site Training Available
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As a professional manufacturer of industrial valves with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our high-performance CB/T3191 Standard Electric Marine Ball Valve. Engineered specifically for the demanding marine and offshore environments, this valve combines robust construction with reliable electric actuation for precise fluid control in critical shipboard systems. We understand that operational reliability and compliance are paramount for our global clients across North America, Europe, Southeast Asia, and beyond. This product is a testament to our commitment to quality, offering a durable solution that meets stringent marine standards while providing the convenience of automated operation.
Our valve is designed to deliver exceptional service life and minimal maintenance, directly contributing to reduced vessel downtime and operational costs. The integration of a high-quality electric actuator allows for seamless integration into modern ship automation systems, enabling remote operation from the control room. Whether for ballast systems, fuel lines, cooling water, or general service applications, this valve provides a trustworthy component for your piping infrastructure. With an annual export value reflecting our growing international presence, we have tailored this product based on feedback from diverse maritime markets.
Core Product Features & Technical Advantages:
- Marine-Specific Design: Manufactured in full compliance with the Chinese CB/T3191 standard for marine valves, ensuring suitability for shipboard installation and classification society requirements.
- Robust Construction: Available in a range of corrosion-resistant materials including cast steel, stainless steel (CF8/CF8M), and bronze to handle seawater, fuels, oils, and chemicals.
- Reliable Electric Actuation: Paired with electric actuators that offer options for on/off control or precise modulating control, with features like torque protection, manual override, and position indication.
- Superior Sealing Performance: Utilizes advanced seat materials like PTFE or reinforced PTFE for tight shut-off and low friction, with metal-seated options available for high-temperature applications.
- Versatile Connection & Pressure Ratings: Supports flanged (ISO, DIN, ANSI standards), threaded, or welded ends. Pressure ratings cover a wide range from PN10/Class 150 to PN100/Class 600 to suit various system demands.
- Extended Service Life: Designed for low maintenance, with a reinforced stem design to prevent blow-out and high-quality packing for reliable stem sealing.
The technical specifications below outline key parameters for selection. Custom configurations regarding material trim, actuator voltage/control signal, and flange standards are available to meet your specific project specifications.
| Parameter | Specification / Option |
| Design Standard | CB/T3191 (Marine Standard) |
| Valve Size Range (DN) | DN15 to DN300 (1/2" to 12") |
| Pressure Rating Range | PN10, PN16, PN25, PN40, PN63, PN100 (or ANSI Class 150, 300, 600) |
| Body Material Options | WCB Carbon Steel, CF8 (304SS), CF8M (316SS), Bronze |
| Seat & Seal Material | Standard: PTFE Optional: Reinforced PTFE, PPL, Metal (for high temp) |
| Actuator Power Supply | Common: AC 110V/220V/380V, DC 24V (Other voltages available) |
| Control Signal (Modulating) | 4-20mA, 0-10V (optional) |
| Operating Temperature | Standard: -20°C to +180°C Extended range with special seals |
Benefits for Your Operations:
- Enhanced Safety & Efficiency: Remote electric operation eliminates the need for manual handling in hard-to-reach or hazardous areas, improving crew safety and operational efficiency.
- System Integration Ready: The electric actuator can be easily connected to the vessel's PLC or control system, enabling automated sequences and central monitoring.
- Reduced Lifetime Cost: The durable construction and reliable sealing minimize leakage and the frequency of repairs, leading to lower total cost of ownership.
- Global Compliance Support: Designed to meet the CB/T3191 marine standard, facilitating approval processes for new builds and retrofits in many international markets.
Our commitment extends beyond supplying a product. We offer comprehensive technical support for system integration and on-site training for your maintenance teams, ensuring optimal installation and long-term performance. This service is part of our value proposition, helping clients worldwide operate with confidence.
With a foundation built since 2016 and a proven export track record serving markets from North America and Western Europe to Southeast Asia and Africa, Shanghai Zhibang has established a reputation for reliable marine valve solutions. Our ISO9001 certified manufacturing processes ensure consistent quality in every valve we produce. We invite you to experience the reliability and performance of our CB/T3191 Electric Marine Ball Valve. Contact us today to discuss your specific requirements, request detailed technical data sheets, or to learn more about our technical support and training services. Let us provide you with a valve solution that ensures the smooth and safe operation of your marine systems.
Frequently Asked Questions (FAQ):
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Q: What does CB/T3191 standard mean, and is it accepted internationally?
A: CB/T3191 is a Chinese national professional standard specifically for marine valves. It outlines design, material, testing, and inspection requirements for valves used on ships and offshore platforms. While primary for the Chinese market, it is a recognized and respected standard, and valves built to this specification are widely used and accepted in international maritime projects, especially where classification society rules are also met. -
Q: Can this electric marine ball valve be used for seawater service?
A: Yes, absolutely. For seawater applications, we recommend selecting the valve with a body material of CF8M (316 Stainless Steel) or bronze, which offer excellent corrosion resistance against saltwater. The seat and seal materials can also be specified to be compatible with seawater. -
Q: What are the available options for the electric actuator's control and feedback?
A: The actuator can be supplied as a simple on/off type with limit switches. For modulating control, we offer actuators that accept standard control signals like 4-20mA or 0-10V. Feedback options typically include potentiometer or 4-20mA position transmitter signals to indicate valve open percentage to the control system. -
Q: Do you provide actuators that are explosion-proof for hazardous areas on ships?
A: Yes, explosion-proof electric actuators meeting standards like Ex d IIC T6 are available as an option. Please specify your hazardous area classification requirements when inquiring so we can configure the correct actuator. -
Q: Is a manual override feature included with the electric actuator?
A: Yes, our standard electric actuators are equipped with a manual handwheel or lever for manual operation in case of power failure or for maintenance purposes, ensuring operational continuity. -
Q: What does your "on-site training" service typically cover?
A: Our on-site training, provided by experienced engineers, usually covers proper installation procedures, wiring and commissioning of the electric actuator, routine maintenance checks, troubleshooting common issues, and best practices for ensuring long service life. The content can be customized based on your team's needs. -
Q: What are the lead times for this product?
A: Lead times vary based on size, material, actuator specifications, and order quantity. Standard configurations typically have shorter lead times. We provide estimated lead times with every quotation and strive to meet project schedules. -
Q: From which ports can you ship, and what are the payment terms?
A: We ship regularly from major Chinese ports including Shanghai, Guangzhou, Hong Kong, and Beijing. Standard payment terms are negotiable and commonly include T/T or L/C. Specific terms are confirmed upon order.
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