Emergency Shut-Off Valve

Marine Emergency Shut-Off Valve – Ensuring Safety and Reliability in Fuel Oil Systems

Our Marine Emergency Shut-Off Valve is a critical component designed specifically for fuel oil systems on marine vessels, ensuring prompt and secure shutdown in emergency situations. This valve, also known as a marine emergency fuel cut-off valve, is engineered to meet the highest standards of safety and reliability. It is available in various materials, including bronze, brass, cast steel, and nodular iron, to suit different operational requirements and environmental conditions. The valve can be operated through lever, button, or pneumatic means, providing flexibility and ease of use in diverse scenarios.

Technical Specifications:

• Design & Manufacturing Standard: Compliant with JIS F7399, ensuring precision and quality in every valve.
• Inspection & Test Standard: Adheres to JIS F7400, guaranteeing thorough testing and validation for optimal performance.
• Flange Standard: Utilizes JIS B2220 FF 5K flanges, ensuring compatibility and easy integration with existing systems.
• Water Pressure Test:
  • Body Test Pressure: 7kg/cm² (7bar, 0.7Mpa), ensuring robustness under high pressure.
  • Seat (Seal) Test Pressure: 2kg/cm² (2bar, 0.2Mpa), guaranteeing leak-proof sealing.
  • Seal for Quick Closing: 1kg/cm² (1bar, 0.1Mpa), ensuring rapid and effective shutdown.
• Suitable Medium: Ideal for fuel oil, lubrication oil, and diesel oil, catering to a wide range of marine applications.
• Working Temperature: Operates efficiently within a temperature range of -20℃ to +150℃, ensuring reliability in extreme conditions.

Material Specifications for Bronze/Brass (JIS F7399):

• Body/Bonnet: Crafted from high-quality bronze or brass, ensuring durability and corrosion resistance.
• Seat/Disc: Made from bronze or brass, providing a tight and reliable seal.
• Stem: Constructed from brass, offering strength and longevity.
• Handwheel: Composed of nodular iron, providing a sturdy and ergonomic grip.
• Packing: Utilizes graphite packing, ensuring minimal leakage and easy maintenance.

Main Data for Joining (mm):

FAQs:

1. What is the primary function of a Marine Emergency Shut-Off Valve?
   • The primary function of a Marine Emergency Shut-Off Valve is to provide a quick and secure means of shutting down the fuel oil system in emergency situations, preventing potential hazards and ensuring the safety of the vessel and its crew.
2. What materials are available for the Marine Emergency Shut-Off Valve, and how do I choose the right one?
   • The valve is available in bronze, brass, cast steel, and nodular iron. The choice of material depends on factors such as the type of medium being handled, the operating temperature, and the environmental conditions. Our experts can assist you in selecting the most suitable material for your specific application.
3. How does the valve ensure leak-proof sealing during operation?
   • The valve features a precisely engineered seat and disc made from bronze or brass, which provide a tight and reliable seal. Additionally, the valve undergoes rigorous testing, including a seat (seal) test pressure of 2kg/cm² (2bar, 0.2Mpa), to ensure minimal leakage during operation.
4. Can the Marine Emergency Shut-Off Valve be operated manually or automatically?
   • Yes, the valve offers flexible operation modes, including lever, button, and pneumatic types. This allows for both manual and automatic operation, depending on the specific requirements of your marine vessel and fuel oil system.
5. What is the working temperature range of the Marine Emergency Shut-Off Valve?
   • The valve is designed to operate efficiently within a temperature range of -20℃ to +150℃, ensuring reliable performance in extreme conditions. This makes it suitable for a wide range of marine applications, from cold climates to tropical regions.

Attention please: The description was copied from different cooperating manufacturers. The description may be different with the goods, please check with us when order.

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