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Help CenterJIS F7480 Marine Butterfly Valve for Marine Engine Room Piping
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As a professional valve manufacturer with a strong focus on the marine industry, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our JIS F7480 Marine Butterfly Valve, engineered specifically for the demanding environments of marine engine room piping systems. Since our establishment in 2016, we have dedicated ourselves to producing reliable fluid control solutions that meet stringent international standards. This valve is a cornerstone of our marine product line, designed to offer shipbuilders, shipyards, and vessel operators a dependable, long-lasting, and cost-effective solution for managing seawater, cooling water, fuel oil, and lubricating oil lines. Its robust construction and compliance with the Japanese Industrial Standard (JIS) F7480 ensure seamless integration into vessels built to major international ship classification society rules.
Our JIS F7480 Marine Butterfly Valve is built to withstand the corrosive, high-vibration, and space-constrained conditions typical of engine rooms. The core design principle centers on reliability and ease of operation, which are critical for marine safety and maintenance efficiency.
- Robust Construction & Corrosion Resistance: The valve body is typically manufactured from high-grade cast iron, ductile iron, or cast steel, providing excellent strength and durability. Critical components like the disc and stem are made from corrosion-resistant materials such as stainless steel (CF8/CF8M) or bronze, ensuring long service life even when handling seawater or other corrosive media. The seat, available in EPDM, NBR, or PTFE, offers a tight, bubble-tight seal and is selected based on the specific fluid and temperature requirements.
- Compact & Space-Saving Design: The wafer-style or lug-style body design is inherently compact, making it ideal for engine rooms where space is at a premium. This design allows for easy installation between pipe flanges without requiring additional gaskets for the flange connection, simplifying the piping layout.
- Efficient & Reliable Sealing: The valve features an eccentric disc design. This design minimizes wear on the seat by ensuring the disc only contacts the seat at the final moment of closure. This results in low operating torque, reduced seat wear, and a longer maintenance cycle, which is vital for reducing downtime in marine operations.
- Versatile Actuation Options: To suit various operational needs, the valve can be equipped with different actuation methods. A simple lever handle is suitable for manual operation in accessible locations. For larger sizes or automated systems, a gearbox or a pneumatic/electric actuator can be fitted, allowing for remote operation and integration into the vessel's control system.
- Standard Compliance & Interchangeability: Manufactured strictly to JIS F7480 specifications, the valve features JIS 10K or 20K standard flanges. This ensures perfect compatibility with piping systems designed to Japanese and other Asian standards, facilitating easy replacement and procurement for shipyards worldwide.
The technical specifications below outline the standard configurations available. Customizations regarding materials, pressure ratings, and actuation are available upon request to meet specific project requirements.
| Parameter | Specification |
|---|---|
| Design Standard | JIS F7480 |
| Nominal Diameter (DN) | 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 450, 500, 600 |
| Pressure Rating | JIS 10K (PN16), JIS 20K (PN40/Class 300) |
| Body Material (Typical) | FC200 (Cast Iron), FCD450 (Ductile Iron), SCPH2 (Cast Steel) |
| Disc & Stem Material | SCS13A (CF8 Stainless Steel), SCS14A (CF8M), Bronze (CAC406) |
| Seat Material | EPDM (for water), NBR (for oil), PTFE (for high temp/corrosive) |
| Test Standard | Shell Test: 1.5x PN, Seat Test: 1.1x PN |
The advantages of choosing our valve translate directly into tangible benefits for your marine projects. You gain a component that reduces the risk of in-service failure, lowers lifetime maintenance costs through its durable design, and simplifies inventory management due to its standard compliance. For ship operators, this means enhanced system reliability, improved safety, and reduced total cost of ownership.
Shanghai Zhibang Valve Manufacture Co., Ltd. stands behind the quality of every JIS F7480 valve we produce. Our commitment is backed by an ISO9001 certified quality management system, ensuring consistent manufacturing processes and product reliability. With an annual export value ranging between US$1 Million and US$1.5 Million, our products have earned the trust of clients across major global markets including North America, Europe, Southeast Asia, and Africa. We support our international partners with efficient logistics, shipping from major ports like Shanghai, Guangzhou, and Hong Kong. When you source this marine butterfly valve from us, you are not just buying a product; you are partnering with a dedicated manufacturer focused on delivering value and reliability for the demanding marine environment. Contact us today to discuss your requirements and request a quotation.
Frequently Asked Questions (FAQ)
Q1: What is the main advantage of a JIS F7480 butterfly valve over other standards like ANSI or DIN?
A: The primary advantage is direct compatibility. If your vessel's piping system is designed and fabricated to JIS standards, using a JIS F7480 valve ensures perfect flange alignment, bolt hole matching, and pressure rating conformity, eliminating the need for adapters and ensuring a leak-free connection.
Q2: Can this valve be used for both seawater and fuel oil service?
A: Yes, but the seat material must be selected appropriately. We recommend EPDM seats for seawater, cooling water, and ballast water services due to their good seawater resistance. For fuel oil and lubricating oil lines, NBR seats are typically specified. PTFE seats are an option for more corrosive chemicals or higher temperatures.
Q3: Is the valve suitable for frequent operation or throttling control?
A: While the eccentric design offers good shut-off, butterfly valves are generally considered better for on/off service rather than precise throttling. For applications requiring frequent modulation, we can advise on specific disc profiles and actuator selections to improve performance.
Q4: What is the typical delivery lead time for standard sizes?
A: For standard configurations in common sizes (DN50-DN300), we generally maintain stock or can offer a production lead time of 4-6 weeks. Larger sizes or special material requirements may have a longer lead time, which we will confirm upon order inquiry.
Q5: Do you provide valves with actuators for automated systems?
A: Absolutely. We can supply the valve as a manual unit or as a complete package with pneumatic (double-acting or spring-return) or electric actuators. We can also provide limit switches, solenoid valves, and positioners as part of the package to meet your automation needs.
Q6: How does your quality control process ensure valve reliability?
A: Every valve undergoes rigorous testing before shipment. This includes a hydrostatic shell test at 1.5 times the rated pressure and a seat leakage test at 1.1 times the rated pressure to ensure integrity. Our ISO9001 certification provides a framework for consistent quality management from raw material inspection to final testing.
Q7: Can you provide documentation for class society approval?
A> We can provide standard material certificates (3.1 Mill Certificate) and test reports. For specific class society approvals (e.g., ABS, DNV, LR, BV), this is typically handled by the shipyard or purchaser, but we can manufacture the valve to the required specifications and support the approval process with necessary factory audits and documentation as requested.
Q8: What are the packaging and shipping terms?
A> Valves are individually packaged in wooden cases or crates to prevent damage during transit. We offer flexible trade terms (FOB, CIF, CFR, etc.) and ship from multiple Chinese ports, including Shanghai, Guangzhou, and Hong Kong, to ensure cost-effective and timely delivery to your nearest destination.
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