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Help CenterJIS F7480 Electric Flanged Butterfly Valve for Marine Cooling Water Systems
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As a professional valve manufacturer established in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing reliable and high-performance fluid control solutions for demanding industrial and marine applications. Our JIS F7480 Electric Flanged Butterfly Valve is engineered specifically for marine cooling water systems, where dependable operation and corrosion resistance are paramount. With an annual export value ranging from US$1 million to US$1.5 million, we have built a strong reputation for quality across global markets, including North America, Southeast Asia, and Europe. This valve combines robust construction with precise electric actuation to ensure efficient flow control in critical shipboard cooling circuits.
This valve is designed to meet the rigorous standards of marine service. Its core features and benefits are detailed below:
- JIS F7480 Compliance: Manufactured in strict accordance with the Japanese Industrial Standard F7480, ensuring compatibility and reliability for marine applications, particularly in vessels and offshore platforms where this standard is specified.
- Electric Actuation for Precise Control: Equipped with a high-quality electric actuator, enabling remote operation, automated control integration, and precise modulation of flow rates. This eliminates the need for manual handling in hard-to-reach engine rooms.
- Robust Flanged Design: Features a flanged connection per JIS B 2210 or other international standards (available upon request), providing a secure, leak-proof seal and easy installation into existing piping networks.
- Superior Corrosion Resistance: Critical components like the disc and stem are made from stainless steel or bronze, while the body can be supplied in cast iron with epoxy coating or ductile iron, offering excellent resistance to seawater and cooling water chemicals.
- Versatile Seat Options: Available with EPDM, NBR, or PTFE seats to suit different temperature ranges and fluid compatibilities within cooling water systems, ensuring long service life and tight shut-off.
- Compact and Lightweight: The wafer-style butterfly design offers a significant space and weight saving compared to gate or globe valves, a crucial advantage in space-constrained marine environments.
- Low Maintenance Design: Simple construction with minimal moving parts reduces the need for frequent maintenance. The sealed actuator and stem assembly protect internal components from harsh marine atmospheres.
Technical specifications for common configurations are summarized in the table below. Custom specifications regarding materials, pressure ratings, and actuator signals can be accommodated.
| Parameter | Specification |
| Standard | JIS F7480 |
| Nominal Diameter (DN) | DN50 to DN600 (2" to 24") |
| Pressure Rating | PN10, PN16, Class 125, Class 150 |
| Body Material | Cast Iron (Epoxy Coated), Ductile Iron, Stainless Steel (CF8/CF8M) |
| Disc Material | Stainless Steel 316, Bronze |
| Stem Material | Stainless Steel 431 |
| Seat Material | EPDM (Standard), NBR, PTFE |
| Operating Temperature | -20°C to 120°C (dependent on seat material) |
| Actuator Type | Electric On/Off or Modulating |
| Power Supply | 24V DC, 110V AC, 220V AC, 380V AC (50/60Hz) |
| Control Signal | Switch Contact, 4-20mA, 0-10V (for modulating type) |
| Protection Class | IP65, IP67 (optional) |
The advantages of choosing our JIS F7480 Electric Butterfly Valve extend beyond its specifications. For ship owners and builders, it translates into enhanced system reliability, reducing the risk of cooling system failure. The electric actuator allows for integration with central monitoring systems, enabling predictive maintenance and reducing crew workload. The valve's durability in saline environments leads to a lower total cost of ownership by minimizing replacement frequency and downtime. Furthermore, its compliance with the recognized JIS standard simplifies procurement and ensures part interchangeability for international fleets.
Shanghai Zhibang Valve backs its products with a commitment to consistent quality, evidenced by our ISO9001 certification. We ship our valves globally from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring timely delivery to shipyards and marine suppliers worldwide. Our experience serving diverse markets from Northern Europe to Oceania means we understand the specific requirements of different maritime regions. When you choose this valve, you are not just purchasing a component; you are investing in a solution backed by manufacturing expertise and a proven track record in international trade. Contact us today to discuss your marine cooling water system requirements and receive a detailed quotation.
Frequently Asked Questions (FAQ)
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Q: Is this valve suitable for seawater cooling systems?
A: Yes, it is specifically designed for marine cooling water, which includes seawater. Material combinations like epoxy-coated cast iron body with a stainless steel 316 disc and EPDM seat offer excellent corrosion resistance for such applications. -
Q: Can the electric actuator be replaced or serviced on board?
A: The actuator is designed as a modular unit. It can be detached from the valve body without removing the entire valve from the pipeline, facilitating easier maintenance or replacement if necessary. -
Q: Do you offer valves with different flange standards, like ANSI or DIN?
A: While the standard offering complies with JIS F7480 (typically JIS flanges), we can provide valves with ANSI, DIN, or other flange standards upon request to match your specific piping requirements. -
Q: What is the lead time for an order of 20 pieces of DN200 valves?
A: Lead times vary based on configuration and current order volume. For standard configurations, typical production lead time is 4-6 weeks. We recommend contacting our sales team with your exact specifications for a precise timeline. -
Q: How does the electric actuator perform in humid marine environments?
A: The standard actuator comes with an IP65 protection rating, meaning it is dust-tight and protected against water jets. Higher protection ratings like IP67 (submersible) are available as an option for more demanding locations. -
Q: Can this valve be used for other fluids besides cooling water?
A: Primarily designed for water, it can handle other neutral fluids like air, oils, and mild chemicals. However, suitability depends on fluid properties, temperature, and concentration. Please consult our engineers for specific fluid compatibility. -
Q: Do you provide a manual override on the electric actuator?
A: Yes, most of our electric actuators come equipped with a manual handwheel or lever for emergency manual operation in case of power failure, ensuring operational safety. -
Q: What documentation is included with the valve?
A: Each valve shipment typically includes a material test certificate, operation manual, actuator wiring diagram, and a packing list. Certificates of conformity or other specific documentation can be provided upon request.
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