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Home > Industrial Equipment & Components > Valve > Ball Valve > JIS F7301 Bronze Marine Ball Valve With Full Port Design for High Flow

JIS F7301 Bronze Marine Ball Valve With Full Port Design for High Flow

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Product Spotlights

JIS F7301 certified bronze marine ball valve featuring a full port design for maximum flow efficiency and minimal pressure drop. Engineered for superior corrosion resistance in seawater applications, it ensures reliable, bubble-tight shutoff and safe operation with a blow-out-proof stem. Ideal for high-flow marine systems like ballast, cooling, and fuel lines.

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

Key Specifications

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Material:

Other, Bronze

Standard:

JIS F7301 Marine Standard

Application:

Other, Marine

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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
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Material Other, Bronze

Standard JIS F7301 Marine Standard

Application Other, Marine

Port Design Full Port

Connection Type Threaded (NPT, BSPT, BSPP) or Flanged

Pressure Rating PN16 / Class 125

Temperature Range -20°C to 200°C

Seat Material PTFE (Teflon) or Reinforced PTFE

Operation Lever Handle or Gear Operator

As a professional manufacturer with a strong foundation since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in delivering high-performance marine valves that meet rigorous international standards. Our JIS F7301 Bronze Marine Ball Valve with Full Port Design is engineered to provide superior flow control and exceptional durability in demanding marine and offshore applications. Built to withstand harsh saltwater environments, this valve combines robust bronze construction with a precision-engineered full-bore design, ensuring minimal pressure drop and maximum flow efficiency for critical shipboard systems.

This valve is a cornerstone of reliable marine fluid handling, designed for applications where performance and longevity are non-negotiable. Key features and technical specifications include:

Premium Bronze Body: Manufactured from high-grade bronze (C83600 or equivalent), offering excellent corrosion resistance against seawater, ensuring a long service life even in the most aggressive marine environments.
JIS F7301 Compliance: Specifically designed and tested to meet the Japanese Industrial Standard (JIS) F7301 for marine valves, guaranteeing performance, material quality, and dimensional accuracy recognized in shipbuilding worldwide.
Full Port (Full Bore) Design: The internal bore diameter matches the pipeline's inner diameter, providing an unobstructed flow path. This design drastically reduces pressure loss, turbulence, and flow resistance, which is critical for high-flow applications like ballast, bilge, fuel, and cooling water systems.
Bubble-Tight Shutoff: Features a precision-machined ball and resilient seats (typically PTFE) that ensure a reliable, leak-proof seal in both directions, enhancing system safety and preventing environmental contamination.
Robust Stem Design: The blow-out-proof stem is securely integrated, preventing accidental ejection under high pressure, a crucial safety feature for marine operations.
Low Torque Operation: The combination of a polished ball and low-friction seats allows for smooth quarter-turn operation, even after prolonged periods, reducing operator effort and maintenance time.
Versatile End Connections: Available with various end connections to suit different piping systems, including threaded (NPT, BSP) and flanged ends, providing flexibility for installation.
Multi-Port Configurations: While primarily a 2-way valve, options for 3-way configurations are available for flow diversion applications.

A summary of typical specifications is provided in the table below. Please note that specific parameters can be customized upon request.

Parameter	Specification / Value
Body Material	Bronze (C83600)
Ball Material	Chrome Plated Bronze or Stainless Steel
Seat Material	PTFE (Standard), Reinforced PTFE (Optional)
Standard	JIS F7301
Pressure Rating	PN16 / Class 125
Temperature Range	-20°C to 200°C
Port Type	Full Port (Full Bore)
Operation	Lever Handle (Standard), Gear Operator (Optional for larger sizes)

Advantages and Customer Benefits:

Enhanced System Efficiency: The full port design maximizes flow capacity, reducing pump energy requirements and improving the overall efficiency of marine hydraulic and piping systems.
Superior Corrosion Resistance: Bronze construction offers proven performance in seawater, significantly reducing maintenance costs and downtime associated with valve failure.
Global Compliance: Adherence to JIS F7301 provides assurance of quality and reliability, facilitating acceptance in international shipbuilding and repair yards.
Operational Safety: Features like blow-out-proof stems and positive shutoff contribute to a safer working environment onboard vessels.
Long-Term Reliability: High-quality materials and precision manufacturing result in a durable product with a long lifecycle, offering excellent value for money.

Shanghai Zhibang Valve backs its products with a commitment to quality, evidenced by its ISO9001 certification for its manufacturing management system. With an annual export value ranging between US$1 Million and US$1.5 Million, our valves are trusted by partners across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Mid East, and Europe. We ship efficiently from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing. Choosing our JIS F7301 Bronze Marine Ball Valve means selecting a component built for performance, backed by a manufacturer with a global footprint and a proven track record in delivering reliable fluid control solutions. Contact us today to discuss your specific requirements or to request a detailed quotation.

Frequently Asked Questions (FAQ)

Q: What is the main advantage of a "Full Port" design in a marine ball valve?
A: A Full Port (or Full Bore) design means the internal diameter of the valve opening is the same as the inner diameter of the connecting pipeline. This creates a straight, unobstructed flow path, minimizing pressure drop, reducing flow turbulence, and allowing for the highest possible flow rate. It's ideal for applications requiring high flow or where pigging (cleaning) of the pipeline is necessary.
Q: Why is bronze a preferred material for marine valves?
A: Bronze, particularly alloys like C83600 (also known as naval bronze), offers an excellent balance of strength, machinability, and most importantly, high resistance to corrosion from seawater and salt spray. It is less prone to galvanic corrosion compared to some other metals when in contact with seawater, making it a traditional and reliable choice for marine components.
Q: What does JIS F7301 certification entail?
A: JIS F7301 is a Japanese Industrial Standard specifically for marine valves. It defines requirements for materials, design, pressure-temperature ratings, testing methods, and marking for valves used on ships. Compliance with this standard is widely recognized in the global marine industry as a mark of quality and suitability for marine service.
Q: Can this valve be used for fuel oil lines on a ship?
A: Yes, this bronze ball valve is suitable for fuel oil service, provided the specific grade of fuel and operating temperature are within the valve's specified range (e.g., -20°C to 200°C). The PTFE seats offer good chemical resistance against many fuels. It is always recommended to confirm compatibility with the exact fluid media.
Q: What end connection types are available?
A: This valve is typically available with threaded ends (such as NPT, BSPT, BSPP) for smaller sizes and flanged ends (to standards like JIS, ANSI, DIN) for larger sizes or higher-pressure applications. The specific type can be selected based on your existing piping system.
Q: Is this valve suitable for both freshwater and seawater cooling systems?
A> Absolutely. The corrosion-resistant bronze construction makes it an excellent choice for both freshwater and seawater cooling circuits, as well as other shipboard water systems like ballast, bilge, and fire mains.
Q: Do you offer actuated versions of this valve?
A: Yes, manual operation with a lever handle is standard. However, we can provide customized solutions with pneumatic, hydraulic, or electric actuators for remote or automated control systems. Please inquire with your actuation requirements.
Q: What is your typical lead time for orders?
A: Lead times vary based on order quantity, valve size, and specific configuration (like end connections). Standard items may have shorter lead times, while customized orders require additional manufacturing time. We provide accurate lead time estimates upon receipt of your detailed inquiry or purchase order.