JIS F7358 Marine-Grade Cast Iron Non-Return Check Valve for Marine Applications
The JIS F7358 Marine-Grade Cast Iron Non-Return Check Valve is a top-tier, high-performance valve specifically engineered to provide reliable backflow prevention in a wide range of marine settings. This includes shipbuilding projects, vessel repair operations, and offshore platform applications. Constructed with a sturdy cast iron body and offering the option of stainless steel (SUS) or bronze internals, this 10K-rated valve is designed to ensure automatic operation and deliver zero-leakage performance in seawater, fuel, and oil systems. Its compatibility with JIS B2220 flanges and availability in sizes ranging from DN50 to DN200 make it an essential component for safeguarding marine piping systems where preventing reverse flow is of utmost importance.
Key Features & Benefits
✅ JIS F7358 Certified for Marine Use: This valve fully complies with Japanese marine valve standards, guaranteeing its suitability and reliability in marine environments and ensuring seamless integration with existing marine systems.
✅ 10K High-Pressure Rating for Demanding Marine Operations: With its high-pressure capability, it can withstand the rigorous conditions of marine applications, making it ideal for use in systems that handle high-pressure seawater, fuel, and oil.
✅ Dual Material Options for Enhanced Corrosion Resistance: The choice between SUS stainless steel or bronze internals allows users to select the most appropriate material based on the specific media and environmental conditions, providing superior corrosion resistance and durability.
✅ Automatic Operation for Hands-Free Convenience: Its self-actuating design eliminates the need for external control, ensuring smooth and reliable operation without manual intervention.
✅ JIS B2220 Flange Compatibility for Easy Integration: The valve’s compatibility with JIS B2220 flanges enables it to be seamlessly integrated into marine piping systems, reducing installation time and costs.
✅ Wide Material Selection for Customized Solutions: Customers can customize the materials used in the valve to suit specific media and conditions, ensuring optimal performance and longevity.
✅ Zero-Leakage Design for Effective Backflow Prevention: The positive sealing mechanism of this valve effectively prevents backflow, protecting marine systems from potential damage and ensuring safe operation.
✅ OEM & Customization Support for Brand Identity: We accept custom branding and technical specifications, allowing customers to create a valve that meets their unique requirements and enhances their brand identity.
Material Composition
| Component | Material Options | Advantage |
|---|---|---|
| Body | Cast Iron | Offers high strength and cost-effectiveness, making it a practical choice for marine applications where durability and affordability are important. |
| Seat & Disc | SUS Stainless Steel/Bronze | Provides superior corrosion resistance and durability, ensuring long-term reliable performance in harsh marine environments. |
| Stem | SUS Stainless Steel/Brass | Enables reliable operation in marine environments, withstanding the effects of saltwater and other corrosive substances. |
Technical Specifications
- Nominal Diameter: DN50 – DN200
- Pressure Rating: 10K
- Standards: JIS F7358, JIS B2220 Flange
- Media: Sea Water, Fuel Oil, Lubricating Oil, Marine Fluids
- Applications: Shipbuilding, Ship Repair, Offshore Platforms, Marine Vessels
Dimension Table
| IMPA Code | Model | L (mm) | D (mm) | C (mm) | Bolt Holes |
|---|---|---|---|---|---|
| 751311 | 7358 10K050 | 210 | 130 | 105 | 4×φ15 |
| 751312 | 7358 10K065 | 250 | 155 | 130 | 4×φ15 |
| 751313 | 7358 10K080 | 280 | 180 | 145 | 4×φ19 |
| 751314 | 7358 10K100 | 340 | 200 | 165 | 8×φ19 |
| 751315 | 7358 10K125 | 410 | 235 | 200 | 8×φ19 |
| 751316 | 7358 10K150 | 480 | 265 | 230 | 8×φ19 |
| – | 7358 10K200 | 570 | 320 | 280 | 8×φ23 |
Applications
Marine Engine Systems
- Marine Engine Cooling Water Systems: This valve plays a crucial role in regulating the flow of cooling water in marine engines, preventing backflow and ensuring efficient engine cooling.
- Fuel Oil Transfer and Supply Lines: It ensures the unidirectional flow of fuel oil, preventing contamination and ensuring a reliable fuel supply to the engine.
Lubrication and Fluid Management
- Lubricating Oil Circulation Systems: By preventing backflow, this valve helps maintain the proper circulation of lubricating oil, protecting engine components from wear and tear.
- Ballast and Bilge Water Pipelines: It effectively controls the flow of ballast and bilge water, preventing reverse flow and ensuring the proper functioning of these systems.
Offshore Platform Operations
- Offshore Platform Process Piping: This valve is essential for maintaining the integrity of process piping on offshore platforms, preventing backflow of various fluids and ensuring safe and efficient operations.
- Firefighting and Seawater Systems: In firefighting and seawater systems, it ensures the unidirectional flow of water, enabling effective firefighting and other seawater-related operations.
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