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Help CenterMarine Engine Cooling System Electric Ball Valve, CB/T3191 Compliant, Corrosion Resistant
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As a leading manufacturer with a strong foundation since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing reliable fluid control solutions for demanding marine applications. Our Marine Engine Cooling System Electric Ball Valve is engineered to deliver precise and dependable flow control in the critical engine cooling circuits of vessels. Designed for durability and compliance with marine standards, this valve ensures your engine maintains optimal operating temperatures, safeguarding against overheating and costly downtime. With an annual export value reflecting our global reach and commitment to quality, we offer a product built for performance in the world's toughest maritime environments.
This electric ball valve is a cornerstone of modern marine engineering, offering automated control over coolant flow with high reliability. Its design prioritizes seamless integration into existing shipboard control systems.
- Superior Corrosion Resistance: Constructed from specially selected alloys and featuring advanced surface treatments, the valve body and internals are built to withstand prolonged exposure to seawater, brackish water, and harsh marine atmospheres, significantly extending service life.
- Precise Electric Actuation: Equipped with a robust electric actuator, the valve allows for remote operation and seamless integration with engine management and automation systems. This enables precise on/off control or modulating flow as required by the cooling system logic.
- CB/T3191 Compliance: Manufactured in strict accordance with the Chinese shipbuilding standard CB/T3191, this valve meets the specific material, design, and testing requirements for marine valves, ensuring compatibility and reliability in shipboard applications.
- Leak-Tight Sealing: Utilizes high-performance sealing materials such as PTFE, which provide excellent sealing integrity even under variable pressure and temperature conditions, preventing coolant loss and maintaining system efficiency.
- Low Maintenance Design: The robust ball valve design, combined with corrosion-resistant materials, results in a product that requires minimal routine maintenance, reducing overall operating costs and crew workload.
- Versatile Configuration Options: Available in various sizes, connection types (flanged or threaded), and voltage specifications for the electric actuator (e.g., 24VDC, 110VAC, 220VAC), allowing for customization to fit specific vessel designs and electrical systems.
The technical specifications below outline the key parameters of our standard offering. Customizations are available upon request to meet unique project requirements.
| Parameter | Specification / Description |
|---|---|
| Product Standard | CB/T3191 for Marine Valves |
| Valve Type | Two-way, Floating Ball Valve |
| Actuation Method | Electric (On/Off or Modulating) |
| Common Body Materials | Bronze (C83600/C84400), Stainless Steel (CF8M/316), Duplex Steel |
| Seat & Seal Material | Reinforced PTFE, RPTFE, or PEEK |
| Pressure Rating (PN) | PN10, PN16, PN25 (or Class 150, Class 300) |
| Port Connection | Flanged (JB/T, GB, DIN, ANSI), Threaded (NPT, BSPT, BSPP) |
| Nominal Diameter (DN) | DN15 to DN200 (1/2" to 8") |
| Voltage Options | 24VDC, 110VAC, 220VAC, 380VAC, 50/60Hz |
| Ingress Protection | IP65, IP67, or IP68 (Optional) |
| Ambient Temperature | -20°C to +80°C (Actuator) |
| Media Temperature | -10°C to +180°C (dependent on seals) |
Choosing our valve brings distinct advantages to your marine operations. The corrosion-resistant construction directly translates to longer intervals between replacements, reducing spare parts inventory and lifecycle costs. The electric actuation enables centralized control, improving operational efficiency and allowing for automated responses to engine temperature changes. Furthermore, compliance with CB/T3191 provides assurance of quality and suitability for marine service, simplifying the approval process for shipbuilders and repair yards.
Backed by our ISO9001 certified manufacturing processes, every valve undergoes rigorous testing to ensure performance and reliability. Our products have gained trust in diverse markets across North America, South America, Europe, Asia, Africa, and Oceania, supported by efficient logistics from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing. This global footprint and proven export record are testaments to the consistent quality and reliability we deliver. For a robust, compliant, and long-lasting solution for your vessel's engine cooling system, contact Shanghai Zhibang Valve today to discuss your specific requirements and experience the difference professional marine valve manufacturing makes.
Frequently Asked Questions (FAQ)
Q1: What is the primary advantage of an electric ball valve over a manual one in a marine cooling system?
A: The key advantage is automation and remote operability. An electric valve can be integrated into the ship's control system, allowing for automatic opening/closing based on engine temperature sensors. This improves operational efficiency, enables faster response to cooling demands, and reduces the need for manual intervention in often hard-to-reach engine rooms.
Q2: How does the CB/T3191 standard benefit me as a buyer?
A: CB/T3191 is a recognized Chinese standard for ship valves. Compliance ensures the valve is designed, manufactured, and tested specifically for the harsh marine environment. It covers aspects like material selection, pressure ratings, and construction methods, providing a benchmark for quality and reliability that is widely accepted by many shipyards and classification societies.
Q3: What materials are typically used to achieve the corrosion resistance mentioned?
A: Common choices include bronze alloys (like C83600 naval bronze), stainless steels (such as 316/316L), and duplex stainless steels. The selection depends on the specific coolant chemistry and required service life. We can advise on the most suitable material for your application.
Q4: Can this valve be used with both freshwater and seawater cooling systems?
A: Yes, provided the appropriate corrosion-resistant material is selected. For example, bronze or 316 stainless steel is suitable for seawater, while other alloys may be sufficient for treated freshwater systems. It is crucial to specify the coolant type when ordering.
Q5: What voltage options are available for the electric actuator?
A: We offer a range of standard voltages to match different shipboard electrical systems, including 24VDC (common for control circuits), and 110VAC, 220VAC, and 380VAC at 50/60Hz. Please specify your ship's standard voltage during inquiry.
Q6: Is the valve suitable for modulating (proportional) control, or just on/off?
A: Both options are available. Standard models are typically configured for on/off service. For modulating control to precisely regulate coolant flow, a different type of electric actuator with position feedback (e.g., 4-20mA control) can be supplied. Please indicate your control requirement.
Q7: What is the typical lead time for an order?
A: Lead time varies based on order quantity, specification complexity, and material availability. For standard configurations, typical production lead times range from 4 to 8 weeks. We provide accurate timelines upon receipt of your detailed specifications.
Q8: Do you provide documentation like material certificates and test reports?
A: Yes, as part of our ISO9001 quality system, we can provide relevant documentation, including material test certificates (MTC) and factory acceptance test (FAT) reports, which are often required for marine projects. This is available upon request.
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