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Home > Industrial Equipment & Components > Valve > Ball Valve > Fire-Safe Design Marine Ball Valve Compliant With Shipboard Seawater System Standards

Fire-Safe Design Marine Ball Valve Compliant With Shipboard Seawater System Standards

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Product Spotlights

API/ISO certified fire-safe design ensures secondary metal seal during fire events. Superior corrosion-resistant materials (SS316/Duplex) for harsh seawater systems. Features anti-static, blowout-proof stem for enhanced marine safety. Low-torque operation and versatile actuation support automated shipboard controls. Compliant with major marine classification society standards for global vessel projects.

Negotiable MOQ: 1 Unit (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, Carbon Steel / Stainless Steel / Duplex Steel

Application:

Other, Seawater Cooling

Size Range:

DN15 to DN300 (1/2“ to 12“)

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Shanghai Zhibang Valve Manufacture Co.,ltd

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
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Material Other, Carbon Steel / Stainless Steel / Duplex Steel

Application Other, Seawater Cooling

Size Range DN15 to DN300 (1/2“ to 12“)

Design Standard Fire-Safe per API 607/ISO 10497

End Connection Flanged (RF/FF), Threaded, Socket Weld

Pressure Rating Class 150, Class 300, PN10, PN16, PN25, PN40

Temperature Rating -20°C to +200°C (-4°F to +392°F)

Operation Type Lever, Gearbox, Pneumatic, Electric Actuator

Seat Material PTFE, RPTFE, Metal Seated, PEEK

As a leading manufacturer in the fluid control industry, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly introduces our specialized Fire-Safe Design Marine Ball Valve. Engineered for the demanding environments of maritime applications, this valve is meticulously designed to meet and exceed the stringent standards required for shipboard seawater systems. With our ISO9001 certified manufacturing processes and a decade of expertise since our establishment in 2016, we deliver reliability where it matters most. Our commitment is to provide marine engineers and shipbuilders with a valve solution that ensures operational integrity, enhances safety protocols, and withstands the corrosive and challenging conditions at sea.

This valve represents a critical component in modern vessel design, specifically developed to prevent catastrophic failure in the event of a fire. Its core value lies in its dual-sealing mechanism and robust construction, which maintain a tight seal even under extreme thermal stress. By choosing our Fire-Safe Marine Ball Valve, you are not just selecting a component; you are investing in a safeguard for your vessel, crew, and cargo, ensuring compliance with international maritime safety regulations and providing peace of mind for long voyages.

Core Product Features & Technical Advantages:

Certified Fire-Safe Performance: The valve is designed to pass rigorous fire-safe testing standards such as API 607 or ISO 10497. This certification confirms its ability to maintain a seal and contain fluid during and after exposure to high-temperature flames, a non-negotiable requirement for valves in engine rooms, fuel lines, and other critical fire zones onboard.
Superior Corrosion Resistance for Seawater Service: Manufactured from materials specifically selected for marine environments, including 316/316L stainless steel, duplex stainless steel, and specially coated carbon steel. These materials offer exceptional resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking caused by seawater, ensuring a long service life and reduced maintenance.
Robust & Leak-Proof Sealing System: Features a primary soft seat (e.g., PTFE) for excellent bubble-tight sealing during normal operation and a secondary metal-to-metal seat engagement. In a fire event, the soft seat may degrade, but the secondary metal seats automatically engage to provide a continued seal, preventing fluid release that could fuel a fire.
Anti-Static & Blowout-Proof Stem Design: Integrated anti-static devices ensure the safe dissipation of static electricity generated by fluid flow, preventing spark risks. The stem is designed to be blowout-proof, meaning it cannot be ejected from the valve body under pressure, enhancing operational safety for personnel.
Low Torque Operation & Extended Service Life: Precision-machined ball and seats, combined with high-performance stem seals, result in consistently low operating torque. This reduces wear on actuators and manual operators, extends packing life, and ensures reliable, easy operation over thousands of cycles, even after long periods of inactivity.
Versatile Actuation & Mounting Options: Available with a standard lever for manual control or can be easily fitted with pneumatic, electric, or hydraulic actuators for remote and automated operation. Multiple end connection standards (ANSI, JIS, DIN, GB) and pressure classes ensure seamless integration into any existing shipboard piping system.

Detailed Technical Specifications:

Parameter	Specification
Design & Fire Test Standard	API 607 4th Ed., ISO 10497, API 6FA
Size Range (Nominal)	DN15 (1/2") to DN300 (12")
Pressure Rating	Class 150, Class 300, PN10/16/25/40
Body Material (Typical)	WCB, CF8/CF8M (SS304/SS316), Duplex 2205
Ball & Stem Material	SS304, SS316, with optional hard chrome plating
Seat & Seal Material	Primary: PTFE/RPTFE; Secondary: Metal (SS/Inconel)
Temperature Range	Standard: -20°C to +200°C; Extended ranges available
End Connection	Flanged (RF, FF), Threaded (NPT, BSP), Socket Weld
Leakage Class (Seat)	Class VI (Bubble-tight) per API 598 / MSS-SP-72
Operation	Lever, Gear Operator, Pneumatic/Electric Actuator

Benefits for Your Marine Project:

Enhanced Vessel Safety & Regulatory Compliance: Directly contributes to meeting SOLAS (Safety of Life at Sea) and classification society rules (e.g., ABS, DNV, LR, BV) for fire protection systems, facilitating smoother vessel certification and inspections.
Reduced Total Cost of Ownership: The durable construction and corrosion-resistant materials minimize unplanned downtime, repair costs, and replacement frequency. The reliable fire-safe feature can also positively impact insurance premiums.
Operational Reliability in Harsh Conditions: Performs consistently in seawater cooling, ballast transfer, fire main, and bilge systems, where reliability is paramount for vessel stability and machinery operation.
Global Supply Chain Support: With major shipment ports in Shanghai, Guangzhou, Hong Kong, and Beijing, and extensive experience exporting to markets across North America, Europe, Asia, and Oceania, we ensure timely and efficient delivery to shipyards worldwide.

Trust in a manufacturer with a proven global track record. Shanghai Zhibang Valve has established itself as a reliable partner since 2016, with an annual export value ranging between US$1 Million and US$1.5 Million, serving diverse maritime industries across six continents. Our ISO9001 certification is a testament to our unwavering commitment to quality management and consistent product excellence. When you specify our Fire-Safe Marine Ball Valve, you are choosing a component backed by rigorous manufacturing standards, a deep understanding of maritime applications, and a global logistics network ready to support your project timelines. This valve is more than a part; it's a critical investment in safety and performance. Contact us today to discuss your specific requirements, request detailed datasheets, or obtain a competitive quotation for your next shipbuilding or retrofit project.

Frequently Asked Questions (FAQ)

Q: What exactly makes this ball valve "fire-safe" for marine use?
A: A fire-safe marine ball valve incorporates a secondary metal sealing system. Under normal conditions, a soft seal provides a bubble-tight closure. If exposed to fire, the soft seal may be compromised, but the design ensures that the metal components (ball and seat) expand and wedge together, creating a metal-to-metal seal that prevents catastrophic leakage, containing the fluid and not feeding the fire.
Q: Are these valves suitable for both fresh and seawater applications on ships?
A: Yes, absolutely. While specifically designed with superior materials to resist the highly corrosive nature of seawater, they are perfectly suitable for freshwater cooling, potable water, and other shipboard fluid systems. The material selection (e.g., 316 stainless steel) provides broad-spectrum corrosion resistance.
Q: Can I get these valves with different actuation methods for automated control systems?
A: Certainly. While supplied with a standard manual lever, our valves are designed with standardized mounting pads to be easily fitted with a wide range of pneumatic (double-acting or spring-return), electric, or hydraulic actuators. We can provide the complete actuated assembly based on your system's control requirements.
Q: How does the anti-static feature work, and why is it important?
A: The flow of fluids, especially hydrocarbons, through a valve can generate static electricity. Our valves include a spring-loaded mechanism between the ball and stem that ensures continuous electrical continuity, safely grounding any static charge to the valve body and piping system. This prevents potential sparking, which is a critical safety feature in hazardous areas onboard.
Q: What documentation do you provide with the valves to support class approval?
A: We provide a comprehensive material test certificate (MTC/CMTR) for the valve body and critical components, a certificate of conformity, and a detailed test report (including pressure and fire test compliance statements per relevant standards). These documents are essential for submission to classification societies for plan approval.
Q: What is your typical lead time for an order of these marine valves?
A: Lead times vary based on order quantity, size, material specification, and actuation requirements. For standard configurations in common sizes and materials, we often maintain stock or can offer production within a competitive timeframe. We provide specific lead time estimates with every formal quotation to help with your project planning.
Q: Do you offer customization for specific project requirements?
A: Yes, we work closely with shipyards and marine engineers. Customizations can include special coatings (e.g., epoxy, zinc-nickel), specific trim materials for unusual media, extended stem lengths for insulated lines, locking devices, and mounting brackets for actuators. Please share your technical specifications for review.
Q: How do you ensure quality control during manufacturing?
A: Our ISO9001 certified quality management system governs every stage, from material procurement to final testing. Each valve undergoes rigorous in-process inspections and final tests, including hydrostatic shell/seat tests, fire-safe design verification checks, and operational torque measurement, ensuring it meets all specified performance criteria before shipment.