JIS F7415 Marine Bronze Check Valve – Premium Backflow Prevention for Fuel & Lubrication Systems
Product Overview
The JIS F7415 Marine Bronze Check Valve is a high-performance non-return valve specifically designed for fuel oil and lubricating piping systems onboard vessels and offshore platforms. Manufactured from premium bronze with JIS B2220 flange compatibility, this 5K-rated valve automatically prevents reverse flow while ensuring zero leakage in critical marine applications. Its compact design and corrosion-resistant construction make it ideal for protecting pumps, engines, and fluid systems from damaging backflow in demanding marine environments.
Key Features & Benefits
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✅ Automatic Backflow Prevention – Self-actuating design protects downstream equipment
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✅ Full Bronze Construction – Superior corrosion resistance in fuel and oil environments
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✅ 5K Pressure Rating – Ideal for marine fuel and lubrication systems
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✅ JIS B2220 Flange Compatibility – Easy installation in standard marine piping
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✅ Compact Design – Space-saving configuration for engine rooms and tight spaces
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✅ Maintenance-Free Operation – Bronze-to-bronze seating ensures long-term reliability
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✅ OEM Customization Available – Modifications accepted per customer specifications
Material Composition
| Component | Material | Advantage |
|---|---|---|
| Body | Bronze | Excellent resistance to marine fuels and lubricants |
| Disc | Bronze | Reliable sealing and corrosion resistance |
| Stem | Bronze | Smooth operation and durability |
Technical Specifications
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Nominal Diameter: DN15-DN40
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Pressure Rating: 5K
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Standards: JIS F7415, JIS B2220 Flange
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Media: Fuel Oil, Lubricating Oil, Hydraulic Fluids
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Applications: Marine engines, fuel transfer systems, lubrication systems
Dimension Table
| IMPA Code | Model | L | L1 | D | C | No. | h | t | H | H1 | D2 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 751341 | 7415 5K15 | 100 | 55 | 80 | 60 | 4 | 12 | 9 | 66 | 56 | 55 |
| 751342 | 7415 5K20 | 110 | 60 | 85 | 65 | 4 | 12 | 10 | 71 | 59 | 55 |
| 751343 | 7415 5K25 | 120 | 65 | 95 | 75 | 4 | 12 | 10 | 81 | 67 | 60 |
| 751344 | 7415 5K32 | 140 | 80 | 115 | 90 | 4 | 15 | 12 | 83 | 65 | 70 |
| 751345 | 7415 5K40 | 160 | 85 | 120 | 95 | 4 | 15 | 12 | 91 | 69 | 80 |
The description/sizes may be different with goods, please check with us when order.
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