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Full Bore Floating Ball Valve for Marine Applications, Cryogenic to High-Temperature Service, Extended Bonnet Design
Product Spotlights
Engineered for extreme marine environments, this full bore floating ball valve features an extended bonnet for cryogenic to high-temperature service. It ensures minimal pressure drop, reliable shut-off, and corrosion resistance. Ideal for offshore platforms and ships, it offers versatile actuation and optional fire-safe design for maximum safety and operational efficiency.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Valve Type:
Full Bore Floating Ball Valve
Primary Application:
Marine and Offshore Applications
Temperature Range:
Cryogenic to High-Temperature Service
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Valve Type
Full Bore Floating Ball Valve
Primary Application
Marine and Offshore Applications
Temperature Range
Cryogenic to High-Temperature Service
Bonnet Design
Extended Bonnet Design
Body Material
Carbon Steel, Stainless Steel, Duplex Steel
Seat Material
PTFE, Reinforced PTFE, Metal
End Connection
Flanged (RF, RTJ), Butt Weld
Pressure Rating
Class 150 to Class 2500
Operation
Manual Lever/Gear, Pneumatic, Electric Actuator
Fire Safe Design
Available upon request
As a leading manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in engineering robust fluid control solutions for demanding industrial environments. Our Full Bore Floating Ball Valve for Marine Applications is engineered to deliver exceptional performance and reliability in critical offshore and marine systems, where failure is not an option. This valve is designed to handle the harshest conditions, from cryogenic LNG services to high-temperature process lines, ensuring uninterrupted operation and safety. With an annual export value reflecting our global reach and commitment to quality, we provide valves that meet the stringent requirements of shipbuilding, FPSOs, and offshore platforms worldwide. The extended bonnet design is a key feature, offering enhanced protection and functionality for challenging installations.
Core Design Features & Technical Advantages:
- Full Bore Design: Provides minimal pressure drop and allows for pigging operations, which is crucial for pipeline maintenance in marine applications.
- Floating Ball Mechanism: The ball is not fixed to the stem, allowing it to float and create a tight seal against the seats under line pressure, ensuring reliable shut-off even after prolonged cycles.
- Extended Bonnet Design: This critical feature isolates the stem packing from the process fluid, protecting it from extreme temperatures (both high and cryogenic). It also provides additional stem length, making the valve suitable for insulated pipelines or applications requiring extended stem reach.
- Robust Construction for Marine Service: Manufactured from materials like carbon steel, stainless steel 316/316L, and duplex steels to resist corrosion from seawater, salt spray, and other marine elements. Special coatings and surface treatments are available.
- Wide Temperature Compatibility: Engineered with specialized seat and seal materials (e.g., reinforced PTFE, metal seats) to maintain sealing integrity across a broad spectrum from cryogenic temperatures as low as -196°C (-320°F) for LNG to elevated temperatures exceeding 200°C (392°F).
- Versatile Actuation Options: Can be fitted with manual levers, gear operators, or automated actuators (pneumatic, electric, hydraulic) for remote operation, which is essential for hard-to-reach areas on vessels and platforms.
- Fire-Safe Capability: Optional fire-safe design per API 607/API 6FA standards ensures secondary metal-to-metal sealing in case of a fire, preventing catastrophic fluid release.
Key Technical Specifications:
| Parameter | Specification / Range |
| Size Range (Nominal) | 1/2" to 24" (DN15 to DN600) |
| Pressure Class | Class 150, 300, 600, 900, 1500, 2500 (PN16 to PN420) |
| Body & Trim Materials | WCB, LCB, CF8, CF8M, CF3, CF3M, Duplex 2205, Super Duplex |
| Seat & Seal Materials | PTFE, RPTFE, PEEK, Metal (SS, Inconel) |
| End Connections | Flanged (RF, RTJ), Butt Weld, Socket Weld (small sizes) |
| Temperature Range (Standard) | -29°C to 200°C (-20°F to 392°F) |
| Temperature Range (Extended) | Cryogenic: Down to -196°C / High-Temp: Up to 450°C (with special trim) |
| Operation | Manual (Lever, Gear), Pneumatic Actuator, Electric Actuator |
Benefits for Your Marine Operations:
- Enhanced System Efficiency: The full bore design minimizes flow resistance, reducing pumping costs and energy consumption over the long term.
- Superior Reliability & Safety: The combination of robust construction, extended bonnet, and appropriate material selection ensures leak-free performance, protecting personnel, assets, and the marine environment.
- Reduced Maintenance & Lifecycle Cost: High-quality materials and precision manufacturing lead to extended service intervals and lower total cost of ownership, a critical factor for offshore assets.
- Operational Flexibility: The ability to handle a vast temperature range and various media (water, fuel, chemicals, cryogenic fluids) with one valve type simplifies inventory and spares management.
- Global Compliance & Fit: Designed to meet common international standards for marine and industrial use, facilitating integration into global projects.
Frequently Asked Questions (FAQ):
-
Q: What is the primary advantage of the 'extended bonnet' design for marine use?
A: The extended bonnet serves two main purposes. First, it protects the stem packing and operating mechanism from direct contact with extremely hot or cold process fluids, greatly enhancing packing life and operational reliability. Second, it provides the necessary stem length for installations where the valve must be buried under insulation or accessed from a distance, which is common on ships and offshore platforms. -
Q: Can this valve be used for both cryogenic and high-temperature services interchangeably?
A: While the valve body may be suitable for a wide range, the sealing components (seats and stem seals) are specific to the temperature service. We configure the valve with appropriate trim materials (e.g., PTFE for moderate range, metal or special polymers for extremes) based on your specified operating conditions. A single valve is not typically recommended for switching between extreme cryogenic and high-temperature services without a trim change. -
Q: What materials do you recommend for seawater service?
A: For handling seawater or brackish water, we highly recommend materials with high chloride and pitting corrosion resistance. This includes ASTM A351 CF8M (316 Stainless), Duplex Stainless Steels (2205), or Super Duplex steels. Protective coatings like epoxy can also be applied to carbon steel bodies for certain applications. -
Q: Are these valves suitable for fire-safe applications on offshore platforms?
A: Yes, we offer a fire-safe version compliant with standards like API 607/6FA and ISO 10497. This design incorporates secondary metal seats that engage to provide a seal if the primary soft seals are compromised by fire, a critical safety feature for hydrocarbon services. -
Q: What is the typical delivery lead time for custom-configured valves?
A: Lead times vary based on size, material, pressure class, and actuation requirements. Standard configurations may have shorter lead times, while fully customized valves for specific project needs require more detailed engineering and manufacturing. We provide accurate lead time estimates upon receipt of your detailed specifications. -
Q: Do you provide documentation packages with the valves?
A: Yes. Our standard documentation includes material test certificates (MTC), pressure test reports, dimensional drawings, and a manual. For projects requiring it, we can also provide additional certifications like NACE MR0175, NDT reports, or full traceability documentation. -
Q: How does the floating ball design compare to a trunnion-mounted ball valve for high-pressure marine applications?
A: Floating ball valves are excellent for a wide range of pressures (typically up to Class 600/900 are common) and offer a compact, cost-effective design with reliable sealing. For very high-pressure applications (Class 1500 and above) or larger diameters where operating torque is a major concern, a trunnion-mounted design might be recommended. We can advise on the best technology for your specific pressure, size, and duty cycle.
Backed by our ISO9001 certified manufacturing processes and a proven track record of supplying valves across six continents—including key marine markets in North America, Southeast Asia, Europe, and the Middle East—Shanghai Zhibang Valve stands as a reliable partner for your critical fluid control needs. Our annual export volume demonstrates consistent trust from global clients in demanding sectors. The Full Bore Floating Ball Valve embodies our commitment to engineering excellence, offering a versatile, durable, and safe solution that enhances the operational integrity of your marine and offshore systems. Contact our technical sales team today to discuss your specific application requirements and receive a detailed quotation. We are ready to support your projects from major ports like Shanghai, Guangzhou, and Hong Kong to your final destination.
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1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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