5K Fuel Oil Tank Emergency Shut-Off Valves
Our 5K bronze fuel oil tank emergency shut-off valve is specifically engineered for marine fuel oil tank applications with a high-quality bronze body and trim, featuring a quick-closing mechanism that enables rapid and reliable shut-off in emergency situations while providing superior corrosion resistance in harsh marine environments. Built with bronze construction for enhanced durability and fuel-oil-resistant internal components, this valve delivers dependable emergency isolation performance with smooth operation and extended service life compared to cast iron valves in corrosive shipboard fuel system conditions.
Overview
Application: Primarily installed on commercial vessels, cargo ships, tankers and offshore platforms as a critical safety component in fuel oil tank systems where corrosion resistance is essential due to saltwater exposure and humid marine conditions, designed to quickly isolate fuel supply in case of fire, leakage or other emergency situations. Also widely specified in shipbuilding projects and vessel maintenance in coastal regions and tropical climates where corrosion accelerates, particularly for SOLAS and classification society compliance requiring both emergency shut-off capability and long-term corrosion protection in marine fuel handling systems.
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 | 75 | 60 | 95 | 75 | 4 | 12 | 10 | 265 | 120 |
| 40 | 160 | 100 | 75 | 120 | 95 | 4 | 15 | 12 | 310 | 140 |
| 50 | 210 | 125 | 90 | 130 | 105 | 4 | 15 | 14 | 335 | 160 |
| 65 | 250 | 155 | 100 | 155 | 130 | 4 | 15 | 14 | 395 | 180 |
| 80 | 280 | 165 | 120 | 180 | 145 | 4 | 19 | 18 | 420 | 180 |
| 100 | 340 | 200 | 130 | 200 | 165 | 8 | 19 | 18 | 510 | 224 |
| 125 | 410 | 250 | 160 | 235 | 200 | 8 | 19 | 20 | 440 | 250 |
| 150 | 480 | 300 | 180 | 265 | 230 | 8 | 19 | 22 | 520 | 320 |
