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Home > Industrial Equipment & Components > Valve > Ball Valve > Marine Pneumatic Ball Valve for LNG Carrier Fuel Gas Systems, Explosion Proof Design

Marine Pneumatic Ball Valve for LNG Carrier Fuel Gas Systems, Explosion Proof Design

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Marine Pneumatic Ball Valve for LNG Carrier Fuel Gas Systems, Explosion Proof Design photo-5

Product Spotlights

Specifically engineered for LNG carrier fuel gas systems, this marine pneumatic ball valve features a critical explosion-proof design for hazardous areas. It ensures reliable operation under cryogenic conditions with robust corrosion-resistant materials. The pneumatic actuator allows for rapid response and precise flow control, while bubble-tight shut-off minimizes emissions. Built for durability and low maintenance, it supports compliance with major marine safety standards, offering shipowners a dependable and safe valve solution.

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

Key Specifications

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Material:

Other, Carbon Steel Body with PTFE Seats

Application:

Other, LNG Carrier Fuel Gas Supply Systems

Valve Size:

1/2 inch to 12 inch (Customizable)

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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 Body with PTFE Seats

Application Other, LNG Carrier Fuel Gas Supply Systems

Valve Size 1/2 inch to 12 inch (Customizable)

Pressure Rating Class 150 to Class 1500 (Available)

Connection Type Flanged, Threaded, or Welded

Actuation Type Pneumatic Double Acting / Spring Return

Explosion Proof Standard ATEX / IECEx Compliant Design

Temperature Range -196°C to +200°C

Seat Material PTFE, Reinforced PTFE, or PEEK

Optional Features Positioner, Limit Switches, Solenoid Valve

As a specialized manufacturer of industrial valves since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to introduce our Marine Pneumatic Ball Valve, engineered specifically for the demanding environment of LNG Carrier Fuel Gas Systems. This valve is not just a component; it is a critical safety and control device designed to ensure the reliable and secure transfer of fuel gas onboard. Our decade of experience in valve manufacturing, backed by our ISO9001 certified quality management system, is focused on delivering products that meet the stringent requirements of marine and offshore applications. We understand that in the high-stakes world of LNG transportation, failure is not an option. That's why our valve incorporates an explosion-proof design as a core principle, providing an added layer of protection for crew, cargo, and vessel.

The design and construction of this pneumatic ball valve address the unique challenges posed by LNG carriers. Fuel gas supply systems require valves that can operate flawlessly under cryogenic conditions, withstand corrosive media, and respond instantly to control signals. Our valve is built to excel in these areas, offering superior performance, durability, and safety. It represents a fusion of robust engineering and intelligent design, aimed at reducing operational risks and maintenance downtime for shipowners and operators worldwide.

Core Product Features & Technical Advantages:

Inherently Safe Explosion-Proof Design: The pneumatic actuator and any associated electrical components (like solenoid valves or limit switches, when fitted) are housed within enclosures designed to prevent the ignition of surrounding flammable gas mixtures. This is a fundamental safety requirement for areas classified as hazardous on LNG carriers.
Cryogenic Performance: Specialized materials and engineering ensure reliable operation at the extremely low temperatures associated with LNG and its vaporized fuel gas. Key components like stem seals and body seals are selected for their resilience and sealing integrity across a wide temperature range.
Corrosion Resistance: The valve body, ball, and stem are often constructed from materials like stainless steel (304, 316) or coated carbon steel to resist corrosion from marine atmospheres and the fuel gas itself, ensuring a long service life even in harsh sea environments.
Rapid and Reliable Actuation: The pneumatic actuator provides fast opening and closing times, which is crucial for emergency shutdown (ESD) scenarios or precise flow control. Options include double-acting (air-to-air) or spring-return (fail-safe) actuators to meet specific system logic requirements.
Bubble-Tight Shut-off: Utilizing advanced seat materials like PTFE or PEEK, the valve achieves a high degree of sealing, minimizing fugitive emissions—a critical factor for environmental compliance and fuel economy.
Low Maintenance & High Durability: Designed for minimal maintenance intervals, the valve features a robust construction with easy-access components for inspection or part replacement, reducing lifecycle costs.

Detailed Technical Specifications:

style="padding: 8px; border: 1px solid #ddd;">SS304, SS316, Chrome Plated, Hard Coated

Parameter	Specification / Option
Valve Type	Floating Ball, Full Port / Reduced Port
Body Material	ASTM A216 WCB, WCC, CF8, CF8M, Duplex Steel
Ball Material
Seat Material	PTFE, RPTFE, PEEK, Nylon, Metal Seated
Pressure Class	ANSI Class 150, 300, 600, 900, 1500
End Connection	RF Flange, RTJ Flange, NPT Thread, BW
Actuator Air Supply	Standard: 4-7 bar (60-100 psi). Other pressures available.
Optional Accessories	Positioners (P/I), Limit Switches, Solenoid Valves, Air Filter Regulators, Manual Override

Benefits for Your LNG Carrier Operation:

Enhanced Safety Compliance: The explosion-proof design directly supports compliance with international marine safety codes (like IGC Code) and classification society rules (ABS, DNV, LR, etc.), simplifying your vessel's certification process.
Operational Reliability: Consistent performance under pressure and temperature extremes translates to fewer system failures, ensuring uninterrupted fuel supply to the main engines and auxiliaries.
Reduced Total Cost of Ownership: The combination of durability, corrosion resistance, and low maintenance requirements leads to significant cost savings over the valve's lifespan compared to less specialized alternatives.
System Integration Flexibility: With customizable accessories like positioners and limit switches, the valve can be seamlessly integrated into your ship's centralized control and monitoring system (e.g., IAS).
Global Service Support: With our products exported to major markets across North America, Europe, Asia, and beyond, we have established a network that can provide technical support and spare parts, a crucial consideration for global shipping fleets.

Frequently Asked Questions (FAQ):

Q: Is this valve suitable for direct contact with liquid LNG?
A: This specific model is designed for fuel gas (vaporized LNG) supply systems. For liquid LNG service, valves with even more stringent cryogenic design and material specifications are required. Please inquire about our dedicated cryogenic ball valve series.
Q: What specific explosion-proof certifications does the valve carry?
A: The valve is designed and manufactured to meet the principles of ATEX and IECEx standards for equipment in hazardous areas. The final certification marking depends on the specific actuator and accessory configuration ordered. Documentation confirming compliance is available upon request.
Q: Can you provide valves with a specific class society approval (e.g., ABS, DNV-GL)?
A> Yes, we can arrange for type approval or product certification from major marine classification societies. This is typically handled as a project-specific service. Please provide your classification society requirements during the inquiry stage.
Q: What is the typical lead time for an order?
A: Lead times vary based on order quantity, size, material, and accessory complexity. Standard configurations typically have a shorter lead time. We provide estimated lead times with every formal quotation.
Q: Do you offer different fail-safe modes for the actuator?
A: Absolutely. You can choose between double-acting (air-to-open, air-to-close) or spring-return actuators. Spring-return can be configured for fail-open or fail-closed operation based on your system's safety logic.
Q: How do you ensure quality control during manufacturing?
A: Our entire production process operates under an ISO9001:2015 certified quality management system. This includes stringent material traceability, in-process inspections, and final testing (such as shell test, seat leak test, and functional operation test) before shipment.
Q: What are the main ports you ship from?
A> We have flexible shipping options from major Chinese ports including Shanghai, Guangzhou, Hong Kong, and Beijing, allowing us to optimize logistics and costs for our international clients.
Q: Can you provide custom modifications to the standard design?
A: As a manufacturer, we have significant engineering capability for customization. Modifications can include special coatings, extended stems, unique flange standards, or integrated accessory packages. Please discuss your specific needs with our engineering team.

Choosing Shanghai Zhibang's Marine Pneumatic Ball Valve means partnering with a proven supplier that combines manufacturing expertise with a deep understanding of marine applications. Our annual export value of US$1-1.5 million to diverse regions including North America, Eastern Europe, Southeast Asia, and the Middle East is a testament to the global trust in our products' quality and reliability. We don't just sell valves; we provide engineered solutions that contribute to the safety and efficiency of your LNG carrier's most critical systems. Let our specialized valve be the dependable link in your fuel gas supply chain. Contact us today to discuss your project specifications, request a detailed datasheet, or obtain a competitive quotation tailored to your requirements.

Product Tags: Marine Pneumatic Ball Valve , LNG Carrier Fuel Gas Valve , Explosion Proof Ball Valve