JIS F7364 Bronze Marine Gate Valve, 5K/10K Flanged End, Rising Stem Design
Product Spotlights
As a professional manufacturer with a strong commitment to quality and reliability, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our JIS F7364 Bronze Marine Gate Valve. Engineered for demanding marine and offshore applications, this valve combines robust construction with precise performance to ensure safe and efficient fluid control in critical systems. With our ISO9001-certified manufacturing processes and extensive experience supplying global markets from North America to Southeast Asia, we deliver valves that meet the stringent requirements of international shipbuilding and marine engineering.
The valve is specifically designed to comply with the Japanese Industrial Standard JIS F7364, a benchmark for marine valve quality. Its primary construction from high-grade bronze offers excellent corrosion resistance against seawater and marine atmospheres, making it an ideal choice for shipboard piping systems, ballast control, cooling water lines, and general service applications on vessels and offshore platforms.
Key Features & Technical Advantages:
- Superior Material & Construction: The valve body, bonnet, and gate are manufactured from premium bronze alloy (typically JIS BsC3 or equivalent), known for its strength, machinability, and superior resistance to dezincification and seawater corrosion.
- Pressure Ratings for Versatile Service: Available in both 5K (approx. 12.5 bar) and 10K (approx. 20 bar) pressure classes, providing flexibility for low to medium-pressure applications within marine piping systems.
- Flanged End Connection: Standard flanged ends ensure a secure, leak-proof connection to piping systems, facilitating easy installation, maintenance, and compatibility with standard marine pipe flanges.
- Rising Stem Design: The outside screw and yoke (OS&Y) rising stem design provides a clear visual indication of the valve position (open or closed), enhancing operational safety. The stem threads are isolated from the flow medium, reducing wear and corrosion.
- Bubble-Tight Shutoff: The parallel or wedge gate design, coupled with precision machining, ensures reliable bubble-tight sealing in both directions, preventing backflow and ensuring system integrity.
- Durable Stem Packing: Equipped with high-quality gland packing (such as graphite or PTFE) around the rising stem, ensuring a long-lasting seal and easy adjustment for maintenance.
- Robust Operation: A handwheel-operated design allows for manual control. The ergonomic handwheel provides smooth and reliable operation even in challenging marine environments.
Technical Specifications:
| Parameter | Specification |
| Design Standard | JIS F7364 |
| Body Material | Bronze (e.g., JIS BsC3) |
| Pressure Rating | 5K (12.5 bar) / 10K (20 bar) |
| End Connection | Flanged (JIS B2220 or as requested) |
| Stem Design | Rising Stem (OS&Y) |
| Stem Material | Bronze or Stainless Steel |
| Seat Material | Bronze / Optional Resilient Seat |
| Operation | Handwheel |
| Temperature Range | Suitable for standard marine fluid temperatures |
Benefits for Our Clients:
- Enhanced System Safety & Reliability: Compliance with JIS F7364 and robust construction minimize the risk of failure in critical marine applications.
- Reduced Maintenance & Lifecycle Cost: The corrosion-resistant bronze material and durable design lead to longer service intervals and lower total cost of ownership.
- Global Compatibility & Ease of Sourcing: Adherence to widely recognized JIS standards simplifies procurement, inventory management, and replacement for shipyards and fleet operators worldwide.
- Operational Clarity & Safety: The rising stem provides immediate visual confirmation of valve status, a crucial safety feature in marine environments.
Backed by Shanghai Zhibang Valve's ISO9001 quality management system and our track record of exporting over US$1 million in products annually to diverse markets including North America, Eastern Europe, and Southeast Asia, you can trust in the consistent performance and quality of our marine valves. Our strategic locations near major ports like Shanghai, Guangzhou, and Hong Kong ensure efficient logistics and timely delivery for your projects. Choose our JIS F7364 Bronze Marine Gate Valve for a dependable solution that meets the rigorous demands of the maritime industry. Contact us today for detailed quotations, technical data sheets, or to discuss custom requirements.
Frequently Asked Questions (FAQ):
-
What does the "5K/10K" pressure rating mean?
The "K" stands for "Kogata," a Japanese pressure class. 5K corresponds approximately to PN12.5/Class 150, and 10K corresponds approximately to PN20/Class 300. It indicates the maximum allowable pressure the valve can withstand. -
Is this valve suitable for seawater service?
Yes. The bronze construction, particularly alloys like BsC3, offers good resistance to seawater corrosion, making it a standard choice for marine seawater lines, ballast, and cooling systems. -
What are the flange standards available?
Typically supplied with JIS B2220 flanges as standard, which are common in Asian shipbuilding. Other flange standards (ANSI, DIN, etc.) can be provided upon request, subject to customization. -
What is the advantage of a Rising Stem (OS&Y) design?
It provides a clear, visual indication of whether the valve is open or closed based on the stem position. It also keeps the stem threads outside the valve body, protecting them from corrosion by the medium. -
Can this valve be used for on/off service only, or also for flow regulation?
Gate valves are primarily designed for isolation (fully open or fully closed) and are not recommended for throttling or flow regulation, as it can cause seat and gate erosion and vibration. -
What is the typical lead time for orders?
Lead times vary based on order quantity and specifications. Standard configurations are often available from stock or have shorter production cycles. Please inquire for a specific schedule. -
Do you offer different seat materials for better sealing?
Standard seats are metal (bronze on bronze). For applications requiring bubble-tight sealing with lower operating torque, resilient seats (e.g., EPDM, NBR) can be explored as a customizable option. -
What after-sales support do you provide?
We provide technical documentation, installation guidance, and support for spare parts. Our ISO9001 certification ensures a structured process for handling any quality-related inquiries.
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