JIS F7311C Marine Cast Steel SDNR Valve | High-Temperature 5K Screw Down Non-Return Valve for Marine Fuel Systems
Product Overview
The JIS F7311C Marine Cast Steel SDNR (Screw Down Non-Return) Valve is a high-performance flow control solution designed for demanding marine fuel oil and lubricating oil piping systems operating at temperatures up to 205°C. Manufactured from premium cast steel with full stainless steel trim and compliant with JIS B2220 flange standards, this valve ensures reliable shut-off and non-return functionality in high-temperature shipboard environments. Its robust construction and corrosion-resistant materials make it ideal for preventing backflow in critical marine applications.
Key Features & Benefits
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JIS F7311C Certified: Compliant with Japanese Industrial Standards for marine valve applications
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High-Temperature Operation: Suitable for services up to 205°C in fuel and lube oil systems
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Full Stainless Steel Trim: Superior corrosion resistance with stainless steel seat, disc, and stem
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Cast Steel Body: Provides excellent strength and durability for marine environments
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5K Pressure Rating: Ideal for marine fuel and lubricating oil transfer systems
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JIS B2220 Flange Compatibility: Standardized flange dimensions ensure seamless integration
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OEM/ODM Services: Custom manufacturing and special requirements accommodated
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Export Expertise: Backed by 10 years of international valve manufacturing experience
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Quality Assurance: Rigorous quality control ensures reliability and performance
Material Specification
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Body: Cast Steel
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Seat: Stainless Steel
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Disc: Stainless Steel
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Stem: Stainless Steel
Technical Specifications
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Standard: JIS F7311C
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Flange Standard: JIS B2220
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Nominal Diameter: ND50-ND300
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Pressure Rating: 5K
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Max Temperature: 205°C
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Valve Type: Screw Down Non-Return Valve (SDNR)
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Operation: Manual
Main Dimensions (mm)
| Model | L | D | C | No. | h | t | H | D2 |
|——-|—|—|—|—–|—|—|—|—|—|
| F7311C 5K050 | 210 | 130 | 105 | 4 | 15 | 14 | 270 | 160 |
| F7311C 5K065 | 250 | 155 | 130 | 4 | 15 | 14 | 300 | 180 |
| F7311C 5K080 | 280 | 180 | 145 | 4 | 19 | 14 | 310 | 180 |
| F7311C 5K100 | 340 | 200 | 165 | 8 | 19 | 16 | 360 | 224 |
| F7311C 5K125 | 410 | 235 | 200 | 8 | 19 | 16 | 390 | 250 |
| F7311C 5K150 | 480 | 265 | 230 | 8 | 19 | 18 | 445 | 280 |
| F7311C 5K200 | 570 | 320 | 280 | 8 | 23 | 20 | 530 | 315 |
| F7311C 5K250 | 740 | 385 | 345 | 12 | 23 | 22 | 791 | 355 |
| F7311C 5K300 | 840 | 430 | 390 | 12 | 23 | 22 | 929 | 400 |
The description/sizes may be different with goods, please check with us when order.
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