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Help CenterJIS F7301 Bronze Marine Ball Valve With DN15-DN50, PN1.0-2.5MPa Pressure Rating
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As a professional manufacturer with a solid track record since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in delivering high-performance fluid control solutions for demanding industrial and marine environments. Our JIS F7301 Bronze Marine Ball Valve series is engineered to meet the rigorous standards of marine applications, offering reliable shut-off and control for seawater, fuel, air, and other fluid lines on vessels and offshore installations. With an annual export value reflecting our global reach across markets from North America to Southeast Asia, we combine quality craftsmanship, certified manufacturing processes, and a deep understanding of maritime requirements to provide valves that ensure operational safety and longevity.
This valve series is designed for durability and ease of maintenance in corrosive marine atmospheres. The use of high-grade bronze alloys provides excellent resistance to seawater corrosion and dezincification, making it a preferred choice over other materials in saltwater service. The full-port design minimizes pressure drop and allows for efficient fluid passage, which is critical for system performance.
Key Features & Technical Advantages:
- Marine-Grade Construction: Manufactured in compliance with the Japanese Industrial Standard JIS F7301, specifically for marine use, ensuring compatibility with international shipbuilding specifications.
- Superior Corrosion Resistance: The bronze body and components offer proven performance in seawater, bilge, ballast, and fuel oil systems, resisting pitting and erosion.
- Robust Pressure Handling: Rated for working pressures from PN1.0 MPa (~145 psi) to PN2.5 MPa (~363 psi), suitable for a wide range of onboard piping pressures.
- Bubble-Tight Sealing: Features PTFE (Teflon) seats and seals, providing a reliable, low-torque, bubble-tight shut-off even after numerous cycles.
- Compact & Easy Operation: The two-piece design with a lever handle allows for quick 1/4-turn operation, visual position indication, and straightforward installation in tight spaces.
- Versatile Sizing: Available in nominal diameters from DN15 (1/2") to DN50 (2"), covering common pipeline sizes in marine engineering.
- Low Maintenance: The simple design with minimal moving parts reduces the need for frequent servicing, lowering lifetime ownership costs.
Detailed Technical Specifications:
| Parameter | Specification / Value |
| Product Standard | JIS F7301 |
| Valve Type | Two-Piece Full Port Ball Valve |
| Body Material | Bronze (CAC406 / CAC407) |
| Ball & Stem Material | Bronze or Chrome Plated Brass |
| Seat & Seal Material | PTFE (Teflon) |
| Nominal Diameter (DN) | 15, 20, 25, 32, 40, 50 |
| Pressure Rating (PN) | 1.0, 1.6, 2.5 MPa |
| Connection Thread | BSPT (Standard), NPT (Optional) |
| Operating Temperature | -20°C to 150°C |
| Operation | Lever Handle (90° rotation) |
| Fluid Media | Seawater, Fresh Water, Air, Fuel Oil, Lubricants |
Benefits for Your Operations:
- Enhanced System Reliability: The JIS F7301 compliance and robust construction minimize the risk of valve failure, contributing to overall vessel safety and reducing downtime.
- Cost-Effective Solution: The longevity and low maintenance requirements of bronze valves lead to a lower total cost of ownership compared to valves requiring frequent replacement.
- Global Compliance: Adherence to a recognized marine standard simplifies procurement for shipyards, repair docks, and vessel operators working to international codes.
- Easy Integration: Standard threaded connections and common sizing ensure these valves can be easily integrated into new builds or used as replacements in existing systems.
Shanghai Zhibang's commitment to quality is underscored by our ISO9001 certification, ensuring consistent manufacturing processes and product reliability. Our valves are trusted by partners across North America, South America, Europe, Asia, Africa, and Oceania, facilitated by efficient shipment from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing. With an established export history, we understand the logistical and technical needs of global marine projects. Choosing our JIS F7301 Bronze Marine Ball Valves means selecting a component backed by professional manufacturing expertise, a commitment to maritime standards, and a proven track record of performance in challenging environments. Contact us today to discuss your specific requirements, request a quotation, or learn more about how our valves can enhance your marine fluid systems.
Frequently Asked Questions (FAQ)
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What does JIS F7301 mean, and why is it important for marine valves?
JIS F7301 is a Japanese Industrial Standard specifically for bronze marine valves. It defines material requirements, dimensions, testing, and performance criteria to ensure valves are suitable for the harsh conditions of shipboard service, including corrosion resistance and pressure integrity. Compliance provides assurance of quality and fitness for purpose. -
Can this valve be used with seawater and other corrosive fluids?
Yes, the primary advantage of using bronze (specifically alloys like CAC406) is its excellent resistance to corrosion from seawater, making it a standard material for marine plumbing, ballast, and cooling systems. -
What is the difference between PN1.0, PN1.6, and PN2.5 MPa ratings?
These indicate the nominal pressure rating in Megapascals. PN1.0 MPa is suitable for lower-pressure services, PN1.6 MPa is a common standard rating, and PN2.5 MPa is for higher-pressure applications. The appropriate rating should be selected based on your system's maximum working pressure. -
Are the threads BSPT or NPT?
These valves are typically supplied with BSPT (British Standard Pipe Taper) threads as standard, which are common in maritime and international applications. NPT (National Pipe Taper) threads are available as an optional specification upon request. -
Is the valve suitable for fuel oil service?
Yes, with PTFE seals, this valve is compatible with fuel oils, lubricants, and other hydrocarbon-based fluids within its specified temperature and pressure limits. -
What is the delivery lead time for an order?
Lead times vary based on order quantity and specific requirements. As an established manufacturer with efficient logistics from multiple Chinese ports, we generally offer competitive lead times. Please contact us with your details for an accurate timeline. -
Do you provide documentation like material certificates or test reports?
Standard documentation including packing lists and commercial invoices is provided. Specific material test certificates or factory test reports may be available upon request for an additional charge. -
Can I get a sample before placing a bulk order?
Sample orders are often possible to evaluate quality and fit. Please contact our sales team to discuss sample availability, cost, and shipping terms.
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