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Help CenterCompact JIS F7480 Butterfly Valve, 316 Stainless Steel Shaft & Disc, For Seawater Piping On Vessels
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As a leading manufacturer with ISO9001 certified quality management, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing high-performance fluid control solutions for demanding marine applications. Our Compact JIS F7480 Butterfly Valve is engineered specifically for seawater piping systems onboard vessels, where reliability, corrosion resistance, and compact design are non-negotiable. We combine rigorous manufacturing standards with a deep understanding of marine industry needs to deliver valves that ensure operational safety and longevity. With a strong export presence across global markets including North America, Southeast Asia, and Europe, we are committed to supporting the maritime sector with robust and dependable components. This valve represents our dedication to quality, offering a precise solution for critical flow control in challenging saline environments.
This valve is designed to meet the exacting standards of marine engineering. Its core construction utilizes 316 stainless steel for both the shaft and disc, providing superior resistance to pitting and crevice corrosion caused by chlorides in seawater. The compact wafer-style body minimizes space requirements and weight, which is a crucial advantage in shipboard installations where every kilogram and cubic centimeter counts. The design ensures bi-directional shut-off capability and is suitable for isolation and regulating services in seawater cooling, ballast, firefighting, and bilge systems.
Key Features & Technical Advantages:
- Superior Corrosion Resistance: The use of 316 stainless steel for wetted parts offers exceptional durability in saltwater, significantly extending service intervals and reducing maintenance costs.
- JIS F7480 Compliance: Manufactured in strict accordance with Japanese Industrial Standard F7480 for shipboard valves, ensuring compatibility, reliability, and acceptance in international shipbuilding and repair yards.
- Robust Sealing Performance: Features a resilient seat (options like EPDM, NBR, or PTFE) that provides a bubble-tight seal, preventing leakage and ensuring system integrity.
- Low Operating Torque: The streamlined disc design and precision-machined shaft reduce operating torque, allowing for smooth manual operation with a lever or gearbox, and enabling the use of smaller, more cost-effective actuators.
- Versatile Actuation Options: Available for manual operation (lever or gear) or can be equipped with pneumatic, hydraulic, or electric actuators for remote and automated control, facilitating integration into modern vessel management systems.
- Easy Installation & Maintenance: The wafer design allows for installation between ANSI or JIS flanges without requiring nuts on the valve side, simplifying the process. The maintenance-friendly design often permits seat replacement without removing the valve body from the line.
Detailed Technical Specifications:
| Parameter | Specification |
| Design Standard | JIS F7480 |
| Body Type | Compact Wafer / Lug (Optional) |
| Disc & Shaft Material | ASTM A276 Type 316 Stainless Steel |
| Seat Material | EPDM (Standard), NBR, PTFE, Viton® (Optional) |
| Size Range (Nominal) | DN50 (2") to DN600 (24") |
| Pressure Rating | JIS 10K (Approx. PN16 / 150psi) |
| Temperature Range | -10°C to +120°C (Depends on seat material) |
| Face-to-Face | Per JIS B 2032 / ISO 5752 |
| Flow Characteristic | Approximately Equal Percentage |
| End Connection | RF Flange per JIS B 2212 / 2214 |
Benefits for Your Marine Operations:
Choosing our valve translates into tangible operational benefits. You gain a component that minimizes the risk of unexpected failure in critical systems, enhancing vessel safety. Its long service life in corrosive seawater directly reduces total cost of ownership by lowering replacement frequency. The compact and lightweight design contributes to overall vessel weight savings and allows for installation in space-constrained engine rooms and piping runs. Furthermore, compliance with the recognized JIS F7480 standard simplifies procurement and approval processes for shipyards and owners, ensuring a smooth supply chain from our manufacturing hub in Shanghai to ports worldwide.
Backed by our company's established track record since 2016 and an annual export value demonstrating consistent global demand, you can source this valve with confidence. Our products are shipped from major Chinese ports including Shanghai, Guangzhou, and Hong Kong, ensuring efficient logistics to your project location, whether in North America, Europe, Southeast Asia, or beyond. We understand the critical nature of marine components and stand behind the quality of our JIS F7480 Butterfly Valve. It is more than just a valve; it's a reliable partner for your vessel's seawater systems. Contact us today to discuss your specific requirements, request a detailed quotation, or learn more about how our manufacturing expertise can serve your needs.
Frequently Asked Questions (FAQ)
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Q: Is this valve suitable for full seawater immersion or just seawater piping?
A: This valve is designed for seawater piping systems where it handles flowing seawater. While its 316 SS components offer excellent corrosion resistance, continuous full immersion in stagnant seawater, especially in a sacrificial anode system, may require specific material evaluation. For such applications, please consult our technical team. -
Q: Can you provide valves with actuators for automated control?
A: Yes, absolutely. We offer a complete package. The valve can be supplied with pneumatic (double-acting or spring-return), electric, or hydraulic actuators. Please specify your required torque, control signal (e.g., 4-20mA, on/off), and voltage when inquiring. -
Q: How does the JIS F7480 standard differ from other standards like API 609 or ISO 5752?
A: JIS F7480 is a Japanese standard specifically for shipboard butterfly valves, covering dimensions, materials, pressure-temperature ratings, and testing requirements tailored for marine use. While there is overlap in design principles, JIS F7480 is often specified in Asian shipbuilding and is widely accepted globally. Our valve's face-to-face dimensions conform to ISO 5752 for flange compatibility. -
Q: What are the available seat material options and their best uses?
A: We offer several options: EPDM is standard for general seawater up to ~120°C; NBR is suitable for oil-contaminated water; PTFE offers a wider temperature range and excellent chemical resistance but is less elastic; FKM/Viton® is for higher temperatures and more aggressive fluids. Our sales team can help you select the best fit. -
Q: What is the lead time for an order of DN200 valves?
A: Lead time depends on order quantity and specific configuration (e.g., actuation). For standard DN200 valves with lever operation, we typically have a production lead time of 4-6 weeks. Stock status for common sizes can be confirmed upon inquiry. -
Q: Do you provide documentation like material certificates and test reports?
A> Yes, we provide a comprehensive documentation package. This includes a Certificate of Conformity, material test reports (MTR) for the 316 stainless steel components, and a pressure test report certifying that each valve was hydrostatically tested per the standard requirements. -
Q: Is the lug-style option available, and what is its advantage?
A> The lug-style body is available as an option. Its key advantage is that it allows the valve to be installed using bolts in tapped holes on the valve body, enabling the downstream piping to be disconnected independently. This is beneficial for system maintenance or valve replacement without disturbing the entire line. -
Q: What is your payment terms and warranty policy?
A> Our standard payment terms are 30% T/T deposit with balance before shipment. We offer a standard warranty of 12 months from the date of shipment against defects in material and workmanship under normal use and service conditions as specified.
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