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Home > Industrial Equipment & Components > Valve > Butterfly Valve > Ductile Iron Body, 316L Stainless Steel Disc JIS F7480 Marine Butterfly Valve for Ballast Water Piping

Ductile Iron Body, 316L Stainless Steel Disc JIS F7480 Marine Butterfly Valve for Ballast Water Piping

Ductile Iron Body, 316L Stainless Steel Disc JIS F7480 Marine Butterfly Valve for Ballast Water Piping thumbnail-3

Ductile Iron Body, 316L Stainless Steel Disc JIS F7480 Marine Butterfly Valve for Ballast Water Piping thumbnail-4

Ductile Iron Body, 316L Stainless Steel Disc JIS F7480 Marine Butterfly Valve for Ballast Water Piping thumbnail-5

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Ductile Iron Body, 316L Stainless Steel Disc JIS F7480 Marine Butterfly Valve for Ballast Water Piping photo-3

Ductile Iron Body, 316L Stainless Steel Disc JIS F7480 Marine Butterfly Valve for Ballast Water Piping photo-4

Ductile Iron Body, 316L Stainless Steel Disc JIS F7480 Marine Butterfly Valve for Ballast Water Piping photo-5

Product Spotlights

Engineered for harsh marine duty, this butterfly valve features a durable ductile iron body and a corrosion-resistant 316L stainless steel disc, compliant with JIS F7480. It ensures reliable, leak-tight flow control in ballast water systems, offering long service life, low maintenance, and versatile actuation options. Ideal for shipbuilders and marine operators seeking a robust, standards-compliant solution.

Negotiable MOQ: 1 Unit (Price negotiable depending on order volume and customization)

Key Specifications

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Standard:

JIS F7480

Application:

Other, Ballast Water Piping Systems

Body Material:

Ductile Iron

Contact Supplier Request Quote Chat Now

Shanghai Zhibang Valve Manufacture Co.,ltd

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
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Standard JIS F7480

Application Other, Ballast Water Piping Systems

Body Material Ductile Iron

Disc Material 316L Stainless Steel

Connection Type Flanged (as per JIS standard)

Pressure Rating Available upon request

Temperature Range Suitable for marine environments

Operation Type Lever, Gear, or Actuator (optional)

Seat Material EPDM or other options (customizable)

Coating/Finish Epoxy coating for corrosion protection

As a professional manufacturer with a strong commitment to quality and reliability, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our high-performance Marine Butterfly Valve designed specifically for demanding ballast water piping applications. Established in 2016 and certified under ISO9001, we combine rigorous manufacturing processes with industry expertise to deliver valves that ensure operational integrity and longevity in harsh marine environments. This valve, constructed with a ductile iron body and a 316L stainless steel disc, is engineered to meet the JIS F7480 standard, offering a robust and corrosion-resistant solution critical for managing ballast water flow effectively and safely.

The core value of this butterfly valve lies in its exceptional durability and compliance with marine-specific standards. It is a vital component for shipbuilders, repair yards, and marine equipment suppliers who require dependable fluid control in ballast systems. Our valve is designed to withstand the corrosive effects of seawater and the mechanical stresses of maritime operations, providing a reliable shut-off and regulation mechanism that contributes to vessel safety and environmental protection.

Detailed Features and Technical Specifications:

This marine butterfly valve incorporates several advanced features tailored for ballast water systems:

Superior Material Combination: The ductile iron body provides high strength and impact resistance, while the 316L stainless steel disc offers superior corrosion resistance against chlorides present in seawater, significantly extending service life.
JIS F7480 Compliance: Manufactured to meet the Japanese Industrial Standard for shipboard butterfly valves, ensuring dimensional accuracy, performance reliability, and compatibility with other JIS-standard piping components.
Optimized for Ballast Water: The design minimizes pressure drop and allows for efficient, full-port or reduced-port flow control, which is crucial for ballasting and de-ballasting operations.
Robust Sealing: Features a resilient seat (typically EPDM or similar) that ensures bubble-tight shut-off, preventing leakage and maintaining system integrity.
Versatile Actuation Options: Available with manual lever, gear operator, or can be fitted with pneumatic/electric actuators for remote control and integration into automated ballast management systems.
Protective Coating: The external body is often coated with a high-grade epoxy or similar protective layer to provide an additional barrier against saltwater corrosion and atmospheric degradation.

Technical Parameters Table:

Parameter	Specification / Description
Standard	JIS F7480
Body Material	Ductile Iron (with protective coating)
Disc Material	316L Stainless Steel
Seat Material	EPDM (Standard), Other elastomers available
Pressure Rating	Customizable based on size and application requirements
Temperature Range	Suitable for standard marine operating temperatures
Operation	Manual Lever, Gear Operator, Pneumatic/ Electric Actuator (Optional)
Application	Ballast Water Piping, Seawater Lines, Cooling Systems

Advantages and Customer Benefits:

Enhanced Corrosion Resistance: The use of 316L stainless steel for the disc, a material known for its excellent resistance to pitting and crevice corrosion in chloride environments, directly translates to lower maintenance costs and reduced risk of failure.
Long Service Life: The durable material construction and robust design ensure the valve performs reliably over extended periods, even under continuous exposure to seawater, providing a better return on investment.
Global Compliance and Compatibility: Adherence to JIS F7480 makes this valve suitable for vessels built to Japanese standards and widely accepted in international marine projects, simplifying procurement and installation.
Operational Efficiency: The butterfly valve design allows for quick opening and closing, facilitating faster ballast water transfer operations and contributing to overall port turnaround time reduction.
Reduced Leakage Risk: A tight-sealing design minimizes the potential for seawater leakage, protecting other shipboard systems and helping to comply with environmental regulations regarding ballast water management.
Customization Flexibility: We offer options in size, pressure class, seat material, and actuation method to fit specific project requirements, ensuring you get a valve tailored to your system's needs.

Shanghai Zhibang Valve Manufacture Co., Ltd. stands behind this product with the credibility of an ISO9001-certified manufacturer and a proven track record of exporting to diverse markets across North America, South America, Europe, Asia, Africa, and Oceania. With an annual export value ranging between US$1 Million and US$1.5 Million, our products have gained trust in demanding marine applications worldwide. Our strategic location and multiple ports of shipment (Shanghai, Guangzhou, Hong Kong, Beijing) ensure efficient and flexible logistics to meet your delivery schedules. Choosing our JIS F7480 Marine Butterfly Valve means selecting a component built for reliability, backed by a manufacturer dedicated to quality, and supported by a global supply chain. Contact us today to discuss how this valve can enhance the performance and safety of your ballast water systems.

Frequently Asked Questions (FAQ):

Q: Why is 316L stainless steel specified for the disc instead of standard 316?
A: 316L stainless steel has a lower carbon content, which provides enhanced resistance to sensitization (grain boundary carbide precipitation) during welding and exposure to high temperatures. This makes it even more suitable for marine environments where welding repairs might be necessary and where corrosion resistance is paramount.
Q: Is this valve suitable for other marine applications besides ballast water piping?
A: Absolutely. While optimized for ballast water, its corrosion-resistant construction makes it suitable for various seawater services onboard ships, including cooling water lines, firefighting systems, tank vent lines, and general seawater intake/discharge.
Q: What are the available sizes for this JIS F7480 butterfly valve?
A: Sizes are customizable based on demand. Common sizes for marine applications range from DN50 (2") up to DN600 (24") or larger. Please contact us with your specific size and pressure rating requirements for a precise quotation.
Q: Can this valve be supplied with different types of actuators?
A: Yes. We offer flexibility in actuation. The valve can be supplied as a manual unit (lever or gear) or can be configured with pneumatic (double-acting or spring-return) or electric actuators. The choice depends on your system's automation needs and available power sources.
Q: How does compliance with JIS F7480 benefit me if my project doesn't follow Japanese standards?
A: JIS F7480 is a respected international standard for marine butterfly valves. Compliance ensures high manufacturing quality, specific material requirements, and dimensional consistency. This often translates to reliable performance and easier integration, even in projects using other standard piping, due to its robust design principles.
Q: What is the typical lead time for an order of these valves?
A: Lead time depends on the order quantity, specific configuration (size, actuation), and current production schedule. For standard configurations, we often maintain some inventory. We provide accurate lead time estimates upon receipt of your detailed inquiry to ensure we meet your project timeline.
Q: What kind of testing do these valves undergo before shipment?
A: As an ISO9001-certified manufacturer, we implement a rigorous quality control process. Valves typically undergo seat leakage tests (shell test and seat test) per applicable standards to verify pressure integrity and shut-off capability before they are approved for shipment.
Q: Do you provide documentation like material certificates and test reports?
A> Yes, upon request, we can provide relevant documentation, including material certificates (MTC) for the body and disc materials, and factory test reports. This documentation is important for regulatory compliance and quality assurance records in marine projects.