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As a leading manufacturer with ISO9001 certified quality management, Shanghai Zhibang Valve is dedicated to providing reliable fluid control solutions for the global marine industry. Our JIS F7301 Bronze Marine Ball Valve with Fire-Safe Design is engineered specifically for the demanding environment of ship engine rooms, where safety and durability are non-negotiable. This valve combines robust bronze construction with a certified fire-safe design to ensure critical system isolation even under extreme conditions. We understand the challenges faced by shipbuilders and operators, which is why we focus on delivering valves that offer long service life, minimal maintenance, and compliance with international marine standards. With our annual export experience across continents, we have tailored this product to meet the rigorous requirements of vessels operating worldwide.
The core of this valve's reliability lies in its material and construction. The body is crafted from high-grade marine bronze (CAC406/CAC407), offering excellent corrosion resistance against seawater, bilge water, and the aggressive atmosphere found in engine rooms. The fire-safe design is not an afterthought but an integral feature, tested to relevant standards to prevent catastrophic failure. When exposed to fire, the special seat and seal materials char to form a metal-to-metal seal, maintaining a bubble-tight closure and preventing the escalation of an emergency.
Key Technical Features & Specifications:
- Dual-Seal Fire Safety: Features a primary resilient seat (PTFE) for excellent shut-off in normal service and a secondary metal seal that engages during a fire event, ensuring continued isolation.
- Anti-Static Device: Integrated design prevents the buildup of static electricity from fluid flow, a critical safety feature for handling flammable fuels and lubricants.
- Blow-Out Proof Stem: The stem is securely retained within the valve body even under high internal pressure, preventing ejection and ensuring operator safety.
- Low Operating Torque: The precision-machined ball and low-friction seats allow for easy operation, even after long periods in a static position, reducing strain on actuators.
- Full Port Design (Optional): Available in full bore configuration to minimize pressure drop across the valve, crucial for efficient fuel and cooling water systems.
Detailed Technical Parameters:
| Parameter | Specification |
|---|---|
| Design Standard | JIS F7301 (Marine Standard) |
| Fire Test Standard | API 607 / API 6FA / ISO 10497 |
| Pressure-Temperature Rating | As per JIS B 207/208 or ASME B16.34 |
| End Connection Standards | JIS B 2210/2212/2214 (Flange), JIS B 0203 (Thread) |
| Leakage Class | Class VI (Soft Seat) per API 598 / MSS-SP-72 |
| Body Material | Bronze CAC406 (JIS H5120 CAC406), CAC407 |
| Trim Materials (Ball, Stem) | Bronze, Stainless Steel (optional) |
| Seat Material | PTFE, RPTFE, PEEK, Metal (for fire-safe) |
Advantages for Your Operations:
- Enhanced Vessel Safety: The certified fire-safe design directly contributes to meeting SOLAS (Safety of Life at Sea) and classification society requirements for engine room valves.
- Reduced Lifecycle Cost: Bronze construction offers superior corrosion resistance compared to iron, leading to fewer replacements and lower maintenance costs over the vessel's lifespan.
- Global Compliance: Manufactured to JIS standard, it is readily accepted by major Asian shipyards and compatible with systems designed to Japanese and Korean standards, while also meeting international fire-test requirements.
- Operational Reliability: Consistent performance in critical applications such as fuel oil supply, lube oil, cooling water, and compressed air lines in the engine room.
- Flexible Configuration: Available with various actuation methods (manual lever, gear, pneumatic, electric) to suit your specific system layout and automation level.
Trust in a product backed by a manufacturer with a proven track record. Since our establishment in 2016, Shanghai Zhibang Valve has consistently exported high-quality valve solutions, with an annual export value ranging between US$1 Million and US$1.5 Million, to key maritime regions including North America, Southeast Asia, Europe, and the Middle East. Our products are shipped from major ports like Shanghai, Guangzhou, and Hong Kong, ensuring efficient logistics. This specific JIS F7301 Bronze Marine Ball Valve embodies our commitment to quality, safety, and reliability. It is designed to withstand the test of time and harsh conditions, providing peace of mind for ship owners, operators, and builders. We invite you to contact us for detailed quotations, technical data sheets, or to discuss custom requirements for your next marine project. Let us be your trusted partner for critical marine valve applications.
Frequently Asked Questions (FAQ):
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Q: Is this valve suitable for saltwater (seawater) service?
A: Yes, absolutely. The bronze (CAC406/CAC407) body material provides excellent resistance to corrosion from seawater, making it ideal for seawater cooling lines, ballast, and other marine applications. -
Q: What does "Fire-Safe Design" mean in practical terms?
A: It means the valve is designed and tested to maintain sealing capability during and after exposure to fire. Special seals char to create a secondary metal seal, preventing leakage of flammable fluids that could fuel a fire, which is critical for engine room safety. -
Q: Can this valve be used with pneumatic or electric actuators?
A: Yes, the valve is designed with a standardized mounting pad according to ISO 5211, allowing for easy attachment of a wide range of pneumatic, electric, or hydraulic actuators for remote or automated operation. -
Q: How does the JIS F7301 standard differ from other valve standards like API or ANSI?
A: JIS F7301 is a Japanese Industrial Standard specifically for marine bronze valves. It defines materials, dimensions, pressure ratings, and testing requirements tailored for marine use. It is widely recognized in Asian shipbuilding and is generally compatible with similar pressure classes in other standards. -
Q: What is the typical delivery lead time for this product?
A: Standard sizes and configurations are often available from stock or have short production lead times. For large or customized orders, our team provides a specific schedule based on current capacity. We ship from multiple ports for flexibility. -
Q: Do you provide documentation for classification society approval?
A: We can provide standard material certificates (CMTR), test reports (including pressure and fire test reports from independent labs upon request), and other documentation commonly required for submission to classification societies like ABS, DNV, LR, BV, etc. -
Q: What maintenance does this ball valve require?
A: These valves are designed for low maintenance. Periodic visual inspection and operational checks are recommended. The stem seals are generally repackable, and in full-port designs, the valve can often be repaired inline without removal from the pipeline. -
Q: Are other end connections besides JIS flanges available?
A: While JIS flanges are standard for this product line, other connection types such as ANSI flanges, DIN flanges, or NPT threads can be offered as a customization to suit your specific piping system requirements.
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