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Help CenterBronze Marine Gate Valve Compliant With JIS F7364, 5K/10K Pressure Rating
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As a leading manufacturer specializing in marine fluid control solutions, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our premium Bronze Marine Gate Valve. Engineered for demanding maritime applications, this valve is meticulously designed and manufactured to comply with the stringent JIS F7364 standard, ensuring reliability and safety aboard vessels. With pressure ratings of both 5K (PN10) and 10K (PN16), it offers versatile performance for various shipboard piping systems, from seawater cooling lines to ballast and bilge systems. Our commitment to quality, backed by our ISO9001-certified production processes, guarantees a product built for durability and long-term service in corrosive marine environments.
This valve is constructed from high-grade bronze alloy (CAC406), chosen for its excellent resistance to seawater corrosion and biofouling. The design features a rising stem mechanism that provides clear visual indication of the valve position—fully open or fully closed. The precision-machined wedge gate ensures a bubble-tight seal when closed, minimizing leakage and pressure drop when open for efficient fluid flow.
Key Technical Specifications & Features:
- Robust Construction: The bronze body and bonnet provide superior strength and corrosion resistance compared to standard brass or iron valves.
- JIS F7364 Compliance: Meets the specific design, material, and testing requirements for marine bronze gate valves set by the Japanese Industrial Standards, a widely recognized benchmark in the global maritime industry.
- Dual Pressure Rating: Available in both 5K and 10K configurations, allowing selection based on specific system pressure requirements.
- Flanged Connection: Standard JIS B 2212 flanges ensure easy and secure installation into existing marine piping networks.
- Enhanced Sealing: The bronze seat can be optionally lined with PTFE for applications requiring a superior seal against particulates or for smoother operation.
- Easy Operation: A large, ergonomic handwheel allows for smooth opening and closing, even under high differential pressures.
- Low Maintenance: The simple, robust design requires minimal upkeep, and the stem packing is easily adjustable to compensate for wear.
Detailed Parameter Table:
| Parameter | Specification |
| Design Standard | JIS F7364 |
| Pressure Rating | 5K (0.5 MPa / PN10) / 10K (1.0 MPa / PN16) |
| Temperature Range | -20°C to 200°C |
| End Connection | Flanged (JIS B 2212) |
| Operation Mode | Manual (Handwheel) |
| Stem Type | Rising Stem, Non-rising Handwheel |
Benefits for Your Operations:
- System Reliability: Prevents costly downtime and maintenance by providing a dependable shut-off solution for critical marine systems.
- Regulatory Compliance: Simplifies vessel certification and inspections by using valves that meet an internationally accepted marine standard.
- Cost Efficiency: The long service life and low maintenance requirements of bronze translate to a lower total cost of ownership.
- Global Compatibility: JIS standards are widely accepted, making these valves suitable for new builds, repairs, and retrofits in shipyards worldwide.
- Safety Assurance: The robust design and tested performance under pressure contribute to overall onboard safety.
Since our establishment in 2016, Shanghai Zhibang Valve has grown into a trusted supplier, exporting high-quality valves to markets across North America, South America, Europe, Asia, Africa, and Oceania. Our annual export value of US$1-1.5 million is a testament to the global trust in our products. Every valve is produced under our ISO9001 quality management system, ensuring consistency and reliability. We offer flexible logistics with shipments available from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing. Choose Zhibang's Bronze Marine Gate Valve for a solution that combines proven maritime engineering with manufacturer-direct quality and value. Contact us today for pricing, detailed specifications, or to discuss your project requirements.
Frequently Asked Questions (FAQ)
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What is the main advantage of a bronze valve over stainless steel for marine use?
While stainless steel offers high strength, bronze provides superior natural resistance to seawater corrosion and biofouling (marine growth) without requiring additional coatings or cathodic protection in many applications, making it a cost-effective and reliable choice for seawater systems. -
Can this valve be used with fluids other than seawater?
Yes. While designed for marine environments, this bronze gate valve is suitable for a range of other non-aggressive fluids such as lubricating oil, fuel oil (non-corrosive grades), compressed air, and freshwater within its specified temperature and pressure ratings. -
What does the "K" rating (5K/10K) signify?
The "K" rating is a JIS standard pressure class designation. 5K corresponds to a nominal pressure of 0.5 MPa (approx. PN10), and 10K corresponds to 1.0 MPa (approx. PN16). It indicates the maximum allowable pressure at room temperature. -
Are spare parts like gland packing or gaskets available?
Yes. We provide comprehensive after-sales support. Standard spare part kits are available for purchase, ensuring you can maintain optimal valve performance throughout its long service life. -
Is the valve suitable for throttling or flow control?
No. Gate valves are designed primarily for fully open or fully closed service to isolate flow. Using them for throttling can cause vibration, seat erosion, and premature wear. For flow control, globe valves or other specialized valves are recommended. -
Do you offer valves with different end connections, like threaded (NPT) ends?
Our standard offering for JIS F7364 valves is flanged. However, custom configurations with other end connections may be available upon request for larger quantity orders. Please inquire with our sales team. -
What documentation is provided with the valve?
Each shipment is accompanied by a commercial invoice, packing list, and a material certificate. Test reports (e.g., pressure test) and certificates of conformity can be provided upon request. -
What is the typical lead time for an order?
Lead times vary based on order quantity and valve size. For standard sizes and moderate quantities, lead time is typically 4-6 weeks ex-works. We provide firm lead time quotes upon receipt of your inquiry.
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