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Help CenterCompact JIS F7481 Electric Marine Wafer Butterfly Valve With Remote Control ABS NK Certified
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As a leading manufacturer with a strong commitment to quality since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in delivering high-performance fluid control solutions for demanding maritime applications. Our Compact JIS F7481 Electric Marine Wafer Butterfly Valve with Remote Control, certified by ABS NK, represents our dedication to engineering excellence and reliability on the high seas. Designed to meet the rigorous standards of shipbuilding and offshore industries, this valve offers superior control, durability, and ease of operation for critical systems like seawater cooling, ballast, and firefighting lines. With an annual export value reflecting our global reach, we ensure every valve is built to withstand harsh marine environments while providing precise flow management.
This electric marine butterfly valve is engineered for optimal performance and longevity. Its compact wafer design allows for easy installation between flanges, saving valuable space in crowded engine rooms and piping systems. The integration of a high-torque electric actuator enables seamless remote operation from the control room, enhancing operational safety and efficiency. Key features include:
- Robust Construction: The valve body is manufactured from high-grade materials such as cast iron, ductile iron, or stainless steel, providing excellent corrosion resistance against seawater and marine atmospheres.
- Reliable Sealing: Equipped with resilient seat materials like EPDM, NBR, or PTFE, ensuring bubble-tight shut-off and long service life even with abrasive media.
- Precise Actuation: The electric actuator offers multiple control options (on/off, modulating) and feedback signals, allowing for integration into automated ship management systems.
- Safety & Compliance: Full compliance with JIS F7481 standards and ABS NK certification guarantees the valve meets international maritime safety and quality regulations.
Beyond its core features, the valve offers significant advantages for ship operators and builders. The remote control capability reduces the need for manual intervention in hazardous or hard-to-reach areas, improving crew safety. The compact design minimizes weight and installation footprint, contributing to overall vessel weight savings. Furthermore, the valve's low maintenance requirements and interchangeable parts reduce lifecycle costs and downtime. For detailed technical specifications, refer to the table below:
| Parameter | Specification |
|---|---|
| Design Standard | JIS F7481 |
| Connection | Wafer, Lug Type (Optional) |
| Size Range | DN50 (2") to DN600 (24") |
| Pressure Rating | 10K, 16K (PN10/16) |
| Body Material | Cast Iron (GG25), Ductile Iron (GGG40), Stainless Steel (CF8/CF8M) |
| Disc Material | Stainless Steel, Coated Ductile Iron |
| Seat Material | EPDM, NBR, PTFE (Optional) |
| Actuator Power | AC/DC, Voltage as per request |
| Control Signal | On/Off, 4-20mA, 0-10V (Optional) |
| Ambient Temperature | -20°C to +80°C (Standard) |
| Flow Medium | Seawater, Fresh Water, Air, Oily Water |
Choosing Shanghai Zhibang means partnering with a certified manufacturer whose products are trusted across continents. Our ISO9001 certified quality management system underpins every stage of production, from material sourcing to final testing. With an annual export value of US$1-1.5 Million and a presence in key markets from North America and Europe to Southeast Asia and Africa, we have proven our ability to meet diverse client needs reliably. Our valves are shipped from major ports like Shanghai and Guangzhou, ensuring timely delivery. This Compact JIS F7481 Electric Valve is more than just a component; it's a commitment to safer, more efficient maritime operations. Contact us today to discuss how this valve can be customized for your specific project requirements and to request a detailed quotation.
Frequently Asked Questions (FAQ)
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Q: What does ABS NK certification mean for this valve?
A: ABS NK certification indicates that the valve has been designed, manufactured, and tested in accordance with the rules of the American Bureau of Shipping (ABS) and Nippon Kaiji Kyokai (ClassNK). This is a mandatory requirement for valves used on classified vessels, ensuring they meet stringent international maritime safety and quality standards. -
Q: Can this electric valve be used for modulating (throttling) control, or is it only for on/off service?
A: The valve can be configured for both applications. The standard electric actuator is suitable for on/off operation. For precise flow control (modulating service), a proportional control actuator with position feedback (e.g., 4-20mA input) is available as an option. Please specify your control requirements when inquiring. -
Q: Is the valve suitable for handling seawater directly?
A: Yes, it is specifically designed for marine seawater applications. We recommend selecting appropriate body materials like stainless steel (CF8M for higher chloride resistance) and seat materials like EPDM or PTFE to ensure optimal corrosion and erosion resistance for long-term seawater service. -
Q: What are the main advantages of a wafer-type design over a lug-type design?
A: The wafer design is more compact and lighter, reducing weight and space. It is installed between two pipeline flanges using through-bolts. The lug-type design has threaded inserts (lugs) on the valve body, allowing it to be installed using bolts into the lugs, which can be beneficial for end-of-line service or when one side needs to be disconnected. Both types are available upon request. -
Q: What is the lead time for an order of these valves?
A: Lead time depends on the order quantity, size, material, and actuator specifications. Standard configurations typically have a shorter lead time. For large projects or custom requirements, we provide a detailed production schedule upon receipt of your inquiry. Our efficient supply chain allows for competitive delivery times. -
Q: Do you provide technical support and documentation with the valve?
A: Yes, comprehensive support is provided. Each valve shipment includes essential documentation such as material certificates, test reports, installation manuals, and actuator wiring diagrams. Our technical team is available to assist with installation guidance, troubleshooting, and system integration advice. -
Q: Are spare parts like seals and gaskets readily available?
A: Absolutely. We maintain an inventory of common spare parts for our valve models. Most sealing components are standard and interchangeable. We can provide spare part kits with your initial order to ensure minimal downtime for maintenance. -
Q: Can the electric actuator be replaced or serviced on-site without removing the entire valve from the pipeline?
A: Yes, the actuator is mounted on a standardized bracket. It can be detached from the valve stem for maintenance, repair, or replacement without needing to disassemble the valve body from the pipeline, significantly reducing maintenance time and effort.
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