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Home > Industrial Equipment & Components > Valve > Butterfly Valve > Reliable JIS F7481 Marine Butterfly Valve OEM Supplier With Technical Support

Reliable JIS F7481 Marine Butterfly Valve OEM Supplier With Technical Support

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Product Spotlights

JIS F7481 compliant marine butterfly valves designed for durability and leak-tight performance in harsh seawater environments. Offers versatile material and actuation options (manual/automated), flanged connections for easy installation, and full OEM customization support. Backed by ISO9001 certified manufacturing and global export expertise from an established supplier.

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

Key Specifications

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Standard:

JIS F7481

Application:

Other, Marine

Material:

Cast Iron, Stainless Steel, Duplex Steel

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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
Company Profile
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Standard JIS F7481

Application Other, Marine

Material Cast Iron, Stainless Steel, Duplex Steel

Size Range DN50 to DN600

Connection Type Flanged

Actuation Type Manual, Gear, Electric, Pneumatic

Seat Material EPDM, NBR, PTFE

Disc Material Stainless Steel, Aluminum Bronze

Pressure Rating PN10 to PN16

Temperature Range -20°C to +120°C

As a dedicated manufacturer with over eight years of experience in valve production, Shanghai Zhibang Valve Manufacture Co., Ltd specializes in supplying high-quality, reliable butterfly valves designed specifically for demanding marine environments. Our JIS F7481 Marine Butterfly Valves are engineered to meet the stringent requirements of shipbuilding and offshore applications, offering exceptional durability, leak-proof performance, and ease of operation. We combine robust manufacturing capabilities with comprehensive technical support, ensuring our OEM clients receive products that integrate seamlessly into their systems and withstand the harsh conditions of sea service.

Our valves are built to provide a reliable solution for fluid control in pipelines aboard vessels, at docks, and on offshore platforms.

Core Product Features & Technical Specifications:

Compliance with JIS F7481 Standard: These valves are meticulously manufactured to adhere to the Japanese Industrial Standard F7481, which specifies requirements for butterfly valves used in marine piping systems. This ensures compatibility and reliability in international marine projects.
Robust Construction for Marine Environments: We utilize materials specifically chosen to resist corrosion, erosion, and the effects of seawater. Common body materials include cast iron with protective coatings, stainless steel (304/316), and duplex steels for highly corrosive services.
Versatile Actuation Options: To suit various control needs, our valves can be supplied with different actuation mechanisms.
- Manual Operation: Simple handwheel or lever for direct control.
- Gear Operation: Gearbox for easier operation of larger valves.
- Automated Operation: Electric, pneumatic, or hydraulic actuators for remote or automated control systems, available upon request.
High-Performance Sealing: The seat and disc interface is critical. We offer seats made from EPDM, NBR, or PTFE, providing excellent sealing properties and resistance to the fluids commonly encountered in marine settings, such as seawater, ballast water, fuel, and lubricants.
Flanged Connection Design: Standard flanged ends (JIS/ISO standards) ensure easy and secure installation into existing marine piping networks, minimizing installation time and cost.

Detailed Technical Parameters Table (Common Range):

Parameter	Specification / Range
Standard	JIS F7481
Nominal Diameter (DN)	50, 80, 100, 150, 200, 250, 300, 350, 400, 450, 500, 600
Pressure Rating (PN)	10, 16
Body Material	Cast Iron (GG25), Stainless Steel (SS304, SS316), Duplex Steel
Disc Material	Stainless Steel, Aluminum Bronze
Seat Material	EPDM (for water), NBR (for oil), PTFE (for chemicals)
Actuation Type	Manual Lever, Manual Gear, Electric Actuator, Pneumatic Actuator
Operating Temperature	-20°C to +120°C (depending on seat material)
Connection Type	Flanged (JIS B2220, ISO 7005-2 equivalent)

Advantages and Client Benefits:

Reliability and Long Service Life: The design and material selection focus on longevity and failure prevention, reducing maintenance frequency and replacement costs for ship operators and builders.
Leak-Tight Performance: Precision machining and quality sealing components ensure a tight shut-off, crucial for safety and environmental protection on ships.
Easy Operation and Maintenance: The butterfly valve design is inherently simple. Our valves feature accessible components for inspection and maintenance, saving time and labor.
Customization and OEM Support: As an OEM supplier, we offer customization options for dimensions, materials, actuation, and painting/finishing to match specific client drawings or specifications. Our technical team provides support from selection through installation.
Global Supply Capability: With established export channels through major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, we efficiently serve clients across diverse markets including North America, South America, Europe, Asia, Africa, and Oceania.

Shanghai Zhibang Valve Manufacture Co., Ltd operates under an ISO9001 certified quality management system, which governs our entire production process from raw material inspection to final testing. This commitment to systematic quality control translates into consistently reliable products for our partners. Our annual export value reflects our growing reputation as a trusted supplier in the global marine industry. For your next project requiring durable, specification-compliant marine butterfly valves backed by solid technical expertise, consider partnering with us. Contact us today to discuss your requirements, receive detailed technical documentation, or request a quotation.

Frequently Asked Questions (FAQ):

Q: What does "JIS F7481" mean, and why is it important for marine valves?
A: JIS F7481 is a Japanese Industrial Standard that defines the design, dimensions, materials, testing, and marking requirements for butterfly valves used in marine piping systems. Using valves compliant with this standard ensures they meet recognized criteria for performance and safety in shipbuilding applications, facilitating approval processes and ensuring interoperability.
Q: Can these valves be used for other applications besides marine?
A: While specifically designed and tested for marine environments, the robust construction and materials make these valves suitable for other industrial applications involving water, mild chemicals, oils, or similar fluids, provided the pressure and temperature ratings are appropriate.
Q: What is the lead time for standard and customized orders?
A: For standard sizes and materials within our common range, lead time is typically 4-6 weeks. Customized orders (special sizes, materials, or actuation) may require 6-8 weeks or more, depending on complexity. We provide estimated timelines upon order confirmation.
Q: Do you provide actuators with the valves?
A: Yes, we can supply the valves with integrated electric, pneumatic, or hydraulic actuators as a complete package. This is optional and based on your control system requirements. We offer technical guidance on actuator selection.
Q: What kind of technical support do you offer as an OEM supplier?
A: Our support includes product selection advice based on your application, providing CAD drawings or 3D models for integration checks, installation guidance, and documentation (test reports, material certificates). We aim to ensure the valve performs as intended in your system.
Q: What certifications do your products have?
A> Our manufacturing facility is certified to ISO9001 for quality management. While the valves themselves are produced to meet JIS F7481, specific product certifications like CE, API, or others can be arranged upon request for projects requiring them, subject to additional testing and cost.
Q: How do you ensure corrosion resistance for seawater applications?
A> We select materials with inherent corrosion resistance (e.g., stainless steel, duplex steel) or apply protective coatings (epoxy, paint) to materials like cast iron. The seat and disc materials are also chosen to resist seawater. Material recommendations are part of our technical support.
Q: What are your main shipping ports and markets?
A> We primarily ship from Shanghai, Guangzhou, Hong Kong, and Beijing ports. Our main markets span globally, including North America, South America, Eastern and Western Europe, Southeast Asia, East Asia, Africa, Oceania, and the Middle East, as well as the domestic Chinese market.