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Help CenterCB/T3191 Electric Marine Ball Valve, 304 Stainless Steel Body, DN25-DN150 Size Range
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As a leading manufacturer with a strong commitment to quality and reliability, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our CB/T3191 Electric Marine Ball Valve. Engineered for demanding marine environments, this valve combines the corrosion resistance of 304 stainless steel with precise electric actuation to deliver dependable flow control for critical shipboard systems. Our years of expertise since 2016 ensure that this product meets the rigorous standards required for global maritime applications, providing a robust solution for shipbuilders and marine system integrators worldwide.
This valve is designed to excel in harsh conditions, offering superior performance and longevity. Below are the key features and specifications:
- Robust Construction: The valve body is manufactured from high-grade 304 stainless steel, providing excellent resistance to saltwater corrosion, pitting, and crevice corrosion, which is essential for prolonged service life in marine settings.
- Precise Electric Actuation: Equipped with a reliable electric actuator, the valve allows for remote operation and integration into automated control systems. This enables precise on/off control, position feedback, and compatibility with centralized bridge control panels.
- Wide Size Compatibility: Available in a comprehensive range from DN25 to DN150, this valve can accommodate various pipeline diameters commonly found in marine applications such as ballast systems, bilge lines, fuel transfer, cooling water, and fire-fighting systems.
- Excellent Sealing Performance: Standard PTFE seats ensure a bubble-tight seal, preventing leaks even under high pressure or vacuum conditions, which is critical for safety and environmental protection onboard vessels.
- Low Maintenance Design: The simple quarter-turn operation and durable materials minimize wear and tear, reducing the need for frequent maintenance and lowering the total cost of ownership over the valve's lifecycle.
Here is a detailed overview of the typical technical specifications:
| Parameter | Specification / Description |
|---|---|
| Product Standard | CB/T3191 |
| Valve Body Material | 304 Stainless Steel (ASTM A351 CF8) |
| Size Range (Nominal Diameter) | DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150 |
| Connection Standard | Flanged ends as per JIS, ANSI, DIN, or GB standards (specify required standard) |
| Pressure Rating (PN) | PN16, PN25, or higher (available upon request) |
| Seat & Seal Material | Standard: PTFE (Polytetrafluoroethylene). Other options like reinforced PTFE or metal seats are customizable. |
| Actuator Type | Electric On/Off or Modulating (Electric modulating actuator is optional) |
| Actuator Input Signal | Switch control (for on/off) or 4-20mA/0-10V DC (for modulating) |
| Power Supply | Common options: 24V DC, 110V AC, 220V AC, 380V AC (customizable) |
| Protection Class (Actuator) | IP67 (standard for marine environments), higher ratings like IP68 are optional. |
| Operating Temperature Range | -20°C to +150°C (for standard PTFE seats). High-temperature versions available. |
| Flow Characteristic | Quick opening (for on/off valves) |
The primary advantages for our clients include enhanced operational safety through remote control, reduced manual labor, improved system efficiency, and long-term reliability that minimizes downtime and repair costs. By choosing our electric marine ball valve, ship operators and builders gain a component that contributes to smoother, safer, and more cost-effective vessel operations.
Backed by our ISO9001 certified manufacturing processes and an annual export value demonstrating global trust, Shanghai Zhibang Valve is a reliable partner for your marine valve needs. Our products reach key markets across North America, South America, Europe, Asia, Africa, and Oceania from major ports like Shanghai, Guangzhou, and Hong Kong. This CB/T3191 Electric Marine Ball Valve embodies our commitment to delivering durable, high-performance solutions tailored for the maritime industry. Contact us today to discuss your specific requirements and experience the Zhibang difference in quality and service.
Frequently Asked Questions (FAQ)
Q1: What makes this valve suitable for marine applications?
A: The combination of a 304 stainless steel body for superior corrosion resistance in saltwater environments, compliance with the marine-oriented CB/T3191 standard, and an actuator with a high protection class (like IP67) makes it specifically designed to withstand the harsh conditions at sea.
Q2: Can the electric actuator be configured for different control signals?
A: Yes. The actuator can be supplied for simple switch control (on/off) or to accept analog signals like 4-20mA or 0-10V DC for proportional flow control, allowing seamless integration with your existing shipboard control systems.
Q3: Are custom pressure ratings or connection standards available?
A: Absolutely. While standard ratings like PN16/PN25 are common, we can manufacture valves to meet higher pressure specifications. Flange connections can be produced according to JIS, ANSI, DIN, GB, or other international standards as per your project requirements.
Q4: What is the lead time for an order of these valves?
A: Lead times vary based on order quantity, size, and specific customization. For standard configurations in moderate quantities, production typically takes 4-6 weeks. We provide accurate timelines upon receipt of your detailed inquiry.
Q5: Does the valve come with any position indication or feedback?
A: Yes, the electric actuator typically includes built-in limit switches for end-position indication (open/closed). Optional accessories like a mechanical position indicator or potentiometer for continuous position feedback are also available.
Q6: What maintenance does this electric ball valve require?
A: Designed for low maintenance, it primarily requires periodic checks of the actuator's electrical connections and, in very long intervals, possible lubrication of the stem. The robust stainless steel and PTFE construction ensures long service intervals under normal operating conditions.
Q7: Can you supply the valve without the actuator?
A: Yes, we can supply the manual ball valve version (with a lever or gear operator) separately. However, the electric actuator is integral to the product as described. We can discuss your specific needs for actuated or non-actuated versions.
Q8: What warranty or after-sales support do you offer?
A: We offer a standard warranty on our valves and actuators. Our dedicated technical support team is available to assist with installation guidance, troubleshooting, and spare parts supply to ensure your complete satisfaction.
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