Contact Platform Support
Help CenterElectric Actuated Ball Valve for Marine Applications, 4-20mA Proportional Control
Product Spotlights
Related Products
-
316 Stainless Steel Electric Regulating Ball Valve, 4-20mA Input, for Marine SystemsNegotiableMOQ: 1 Unit -
4-20mA Control Valve for Marine Engine Cooling Water and Fuel Oil SystemsNegotiableMOQ: 1 Unit
-
Marine Electric Regulating Ball Valve With 4-20mA Signal Input for Precise Flow ControlNegotiableMOQ: 1 Unit
-
Marine Electric Regulating Ball Valve With 2-Year Warranty and Mill Test ReportNegotiableMOQ: 1 Unit
-
Marine Explosion Proof Pneumatic Ball Valve for Offshore Platform Seawater Cooling LinesNegotiableMOQ: 1 Unit
As a leading manufacturer with a strong commitment to maritime fluid control solutions, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our specialized Electric Actuated Ball Valve designed for demanding marine applications. Established in 2016 and backed by ISO9001 certification, we have consistently delivered reliable valves that meet the rigorous standards of the global shipping industry. Our valve, featuring precise 4-20mA proportional control, is engineered to provide exceptional performance in seawater cooling systems, ballast management, fuel lines, and other critical onboard processes. We understand that reliability and precise flow modulation are paramount at sea, which is why our product is built to withstand corrosive environments and ensure long-term operational stability, contributing directly to vessel safety and efficiency.
This marine-grade electric actuated ball valve combines robust construction with intelligent control. The core of its operation is the integrated electric actuator that responds to a standard 4-20mA control signal, allowing for precise and proportional opening from 0% to 100%. This enables fine-tuned flow regulation far superior to simple on/off valves, which is crucial for processes like tank level control, dosing, and temperature regulation systems on ships and offshore platforms.
Key Technical Features & Advantages:
- Precise Proportional Control: The 4-20mA input signal provides smooth, continuous modulation of the valve position, enabling accurate flow control proportional to the command signal. This eliminates the inefficiencies of traditional on/off cycling.
- Marine-Specific Durability: Constructed from materials like Stainless Steel 316, the valve body and trim offer superior resistance to saltwater corrosion, biofouling, and other harsh marine elements.
- High Torque & Reliable Sealing: The electric actuator generates ample torque to ensure positive shut-off even under high differential pressures, with PTFE or metal-seated options available for zero-leakage performance.
- Fail-Safe Options: Models are available with fail-safe features (spring return) to automatically move to a predefined safe position (open or closed) in case of power loss, enhancing system safety.
- Easy Integration & Communication: The standard 4-20mA analog signal allows for seamless integration with existing shipboard PLCs, DCS, or control panels. Optional feedback signals (4-20mA or potentiometer) provide real-time valve position indication.
- Compact & Space-Saving Design: The integrated design of the actuator and valve minimizes the overall footprint, an important consideration in the space-constrained environments of engine rooms and machinery spaces.
Technical Specifications Table:
| Parameter | Specification |
| Valve Type | Floating Ball, Full Port / Standard Port |
| Body Material | Stainless Steel 316, Carbon Steel WCB, Bronze |
| Size Range | DN15 (1/2") to DN300 (12") |
| Pressure Rating | PN16, PN25, PN40; Class 150, Class 300 |
| Actuator Power Supply | 24VDC, 110VAC, 220VAC, 380VAC |
| Control Signal | 4-20mA Analog Input (Proportional) |
| Position Feedback | 4-20mA Output (Optional), Potentiometer |
| Protection Rating | IP67 (Submersible for 30min), IP68 (Available) |
| Ambient Temperature | -20°C to +60°C |
| Media Temperature | -20°C to +180°C (Higher on request) |
Benefits for Marine Operators: For ship owners and operators, this valve translates into tangible operational benefits. The precise control reduces energy consumption in cooling systems and improves the accuracy of cargo or ballast transfer. Its high reliability minimizes unplanned downtime and maintenance costs associated with valve failures at sea. The robust construction ensures a long service life even in the most aggressive environments, protecting your capital investment. Furthermore, the standardized control interface simplifies training for crew and reduces the complexity of system troubleshooting.
With an annual export value ranging between US$1 Million to US$1.5 Million, Shanghai Zhibang Valve has established a trusted presence in key maritime markets across North America, South America, Europe, Southeast Asia, Africa, and Oceania. Our products are shipped efficiently from major ports like Shanghai, Guangzhou, and Hong Kong. This global reach is a testament to the consistent quality and reliability of our valves. When you choose our Electric Actuated Ball Valve, you are not just purchasing a component; you are investing in a solution backed by professional manufacturing expertise, a certified quality management system (ISO9001), and a commitment to supporting the global marine industry. We encourage you to contact us to discuss your specific application requirements and discover how our proportional control valves can enhance the efficiency and safety of your marine operations.
Frequently Asked Questions (FAQ)
-
Q: What is the main advantage of 4-20mA proportional control over a simple on/off electric valve for marine use?
A: Proportional control allows for precise flow regulation. Instead of being fully open or closed, the valve can be positioned at any point in between based on the control signal. This is essential for applications requiring fine-tuned control of flow rates, pressures, or tank levels, leading to greater system efficiency and stability. -
Q: Are these valves suitable for use with seawater?
A: Yes, they are specifically designed for marine applications. We recommend the Stainless Steel 316 material option for superior corrosion resistance against saltwater. The actuator housing also features high protection ratings (IP67/IP68) to prevent water ingress. -
Q: Can the valve be operated manually in case of a power or control system failure?
A: Most of our electric actuated valves come with a manual override feature. This is typically a handwheel or lever on the actuator that allows crew members to operate the valve manually during emergencies or maintenance, ensuring operational continuity. -
Q: What is the typical delivery time for a custom-sized valve?
A: For standard sizes and materials from our inventory, delivery is prompt. For custom specifications (e.g., special sizes, materials, or pressure classes), the lead time typically ranges from 4 to 8 weeks, depending on the complexity. We provide accurate timelines upon receipt of your detailed inquiry. -
Q: How do I integrate this valve with my ship's existing control system?
A: Integration is straightforward. The valve requires a power supply (as specified) and accepts a standard 4-20mA control signal from your PLC or controller. Wiring diagrams and technical support are provided to ensure smooth integration into your current setup. -
Q: What kind of maintenance do these valves require?
A: They are designed for low maintenance. The primary recommendation is periodic visual inspection and functional testing. The actuator is typically sealed and lubricated for life. The valve body may require occasional maintenance of seals or seats, depending on the service conditions and cycle frequency. -
Q: Do you offer valves with different end connections?
A: Absolutely. We offer a variety of end connections to suit different piping systems, including flanged (to various standards like ANSI, DIN, JIS), threaded (NPT, BSP), and welded ends (butt weld, socket weld). Please specify your requirement. -
Q: Is position feedback available, and why is it useful?
A: Yes, position feedback (e.g., a 4-20mA output signal proportional to the valve's open percentage) is a valuable optional feature. It allows the control system to receive confirmation of the actual valve position, enabling closed-loop control, alarm generation for faults, and improved system monitoring and diagnostics.
Send Inquiry to This Supplier
You May Also Like
-
Marine Explosion Proof Pneumatic Ball Valve With Double Acting Pneumatic Actuator, 0.5-1.0 MPa Air SupplyNegotiableMOQ: 1 Unit
-
Marine Pneumatic Ball Valve for LNG Carrier Fuel Gas Systems, Explosion Proof DesignNegotiableMOQ: 1 Unit
-
DNV/ABS Approved Marine Pneumatic Ball Valve, Explosion Proof, Flanged ConnectionNegotiableMOQ: 1 Unit
-
Marine Explosion Proof Pneumatic Ball Valve With ATEX/IECEx Certification, DN15-DN200NegotiableMOQ: 1 Unit
-
Marine Explosion Proof Pneumatic Ball Valve Supplied With Mill Test Report and Installation GuideNegotiableMOQ: 1 Unit
-
316 Stainless Steel Marine Pneumatic Ball Valve for Explosive Atmospheres, 2-Way/3-WayNegotiableMOQ: 1 Unit
-
Marine Explosion Proof Pneumatic Ball Valve, Standard Compliant With SOLAS and IMO RequirementsNegotiableMOQ: 1 Unit
-
Full Port Duplex Stainless Steel Ball Valve for Marine Seawater Desalination SystemsNegotiableMOQ: 1 Unit
-
3-Piece Marine Duplex Stainless Steel Ball Valve, Flanged End, Fire Safe DesignNegotiableMOQ: 1 Unit
-
Marine Duplex Stainless Steel Ball Valve With 2-Year Warranty and Mill Test ReportNegotiableMOQ: 1 Unit
