10K Fuel Oil Tank Emergency Shut-Off Valves
Our 10K bronze fuel oil tank emergency shut-off valve is engineered for high-pressure marine fuel oil applications with a heavy-duty bronze body and reinforced bonnet, featuring a robust quick-closing mechanism that delivers rapid and reliable shut-off at operating pressures up to 1.0MPa while maintaining superior corrosion resistance in harsh marine environments. Built with thicker bronze wall construction, stronger internal components and enhanced pressure containment compared to 5K class valves, this high-pressure bronze emergency valve provides dependable isolation performance and extended service life in demanding high-pressure fuel systems requiring both corrosion resistance and higher pressure capability.
Overview
Application: Primarily specified for high-pressure fuel oil systems, main engine fuel lines, fuel transfer pump discharge circuits and pressurized fuel tanks on commercial vessels, cargo ships, tankers and offshore platforms where 5K class bronze emergency valves cannot meet system pressure requirements and reliable high-pressure shut-off with corrosion protection is critical for safety. Also widely used in shipbuilding projects and vessel maintenance in coastal and tropical marine environments where both SOLAS classification society compliance and long-term corrosion resistance are required for high-pressure fuel handling systems in harsh saltwater conditions.
Material Specification:
For size 25A and 40A
| Part Name | Material | Code |
| 1A-Body | Bronze | BC6 |
| 3-Disc | Bronze | BC6 |
| 4-Stem | Brass | C3371BD |
For size 50A and Higher
| Part Name | Material | Material Code |
| 1B-Body | Cast Steel | SC49 |
| 2-Seat | Stainless Steel | SCS2 |
| 3-Disc | Stainless Steel | SCS2 |
| 4-Stem | Stainless Steel | SUS403 |
Technical Specifications:
| Nominal Pressure | ||
| Hydraulic Inspection | Body | 7 kg |
| Seat | 2 kg | |
Drawing:

Dimensions:
| Size | L | L₁ | L₂ | D | C | No. | h | t | H | D₁ |
| 25 | 130 | 80 | 65 | 125 | 90 | 4 | 19 | 14 | 265 | 120 |
| 40 | 170 | 85 | 80 | 140 | 105 | 4 | 19 | 16 | 310 | 140 |
| 50 | 220 | 125 | 90 | 155 | 120 | 4 | 19 | 16 | 335 | 160 |
| 65 | 270 | 155 | 100 | 175 | 140 | 4 | 19 | 18 | 395 | 180 |
| 80 | 300 | 165 | 120 | 185 | 150 | 8 | 19 | 18 | 420 | 180 |
| 100 | 350 | 200 | 130 | 210 | 175 | 8 | 19 | 18 | 510 | 224 |
| 125 | 420 | 250 | 160 | 250 | 210 | 8 | 19 | 20 | 440 | 250 |
| 150 | 490 | 300 | 180 | 280 | 240 | 8 | 19 | 22 | 520 | 320 |
