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Cryogenic Service DIN 3357 Ball Valve for FPSO LNG Systems - Extended Bonnet, -196°C to +80°C
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Engineered for FPSO LNG systems, this DIN 3357 cryogenic ball valve operates reliably from -196°C to +80°C. Its extended bonnet prevents stem packing freeze, ensuring safe, leak-free performance in extreme cold. Built with robust stainless steel and advanced sealing materials, it offers versatile actuation and global compliance, reducing maintenance and enhancing operational safety for critical offshore applications.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Valve Standard:
DIN 3357
Service Temperature:
-196°C to +80°C
Bonnet Design:
Extended Bonnet
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Valve Standard
DIN 3357
Service Temperature
-196°C to +80°C
Bonnet Design
Extended Bonnet
Application System
FPSO LNG Systems
Primary Material
Stainless Steel (304/316)
End Connection
Flanged (RF/FF)
Seat & Seal Material
PTFE or PEEK
Pressure Rating
PN16 to PN100
Operation Type
Manual, Pneumatic, or Electric Actuation
As a professional manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing robust and reliable flow control solutions for demanding industrial applications. Our Cryogenic Service DIN 3357 Ball Valve is engineered specifically for the harsh environments of Floating Production, Storage, and Offloading (FPSO) units handling Liquefied Natural Gas (LNG). Designed to operate seamlessly from -196°C to +80°C, this valve ensures safe, efficient, and leak-free performance in critical cryogenic processes, helping you maintain operational integrity and safety standards.
This valve is a cornerstone for reliable LNG handling, offering several distinct advantages:
- Extended Bonnet Design: A key feature for cryogenic service, the extended bonnet isolates the stem packing and actuator from the extreme cold of the process fluid. This design prevents packing freeze, ensures smooth operation, and extends the service life of the valve components.
- DIN 3357 Compliance: Manufactured in accordance with DIN 3357 standards, this valve guarantees dimensional interchangeability, consistent quality, and reliable performance, which is crucial for international projects and spare part management.
- Superior Sealing Performance: Utilizing advanced seat and seal materials like reinforced PTFE or PEEK, the valve maintains excellent sealing integrity even under rapid thermal cycling and extreme low temperatures, minimizing fugitive emissions.
- Robust Construction: The valve body and critical components are typically crafted from stainless steel (SS304 or SS316L) to withstand corrosive elements and provide high mechanical strength for offshore FPSO applications.
- Versatile Actuation Options: Available with manual lever, gearbox, pneumatic, or electric actuuation to suit various automation and control system requirements on the FPSO.
The technical specifications of our Cryogenic Ball Valve are detailed below to help with your selection:
| Parameter | Specification |
|---|---|
| Valve Standard | DIN 3357 |
| Pressure Rating (PN) | PN16, PN25, PN40, PN63, PN100 |
| Size Range (DN) | DN15 (1/2") to DN300 (12") |
| Body Material | Stainless Steel A351 CF8/CF8M (304/316) |
| Ball Material | Stainless Steel with Optional Chrome Plating |
| Seat & Seal Material | PTFE, Reinforced PTFE, PEEK (for ultra-low temp) |
| Stem Material | Stainless Steel with Anti-blowout Design |
| End Connection | Flanged (RF, FF), Butt Weld End (BWE) optional |
| Fire Safe Design | Available upon request (API 607/API 6FA) |
| Leakage Class | Class VI (Soft Seat) / Class IV (Metal Seat) |
Choosing our valve brings concrete benefits to your FPSO LNG system:
- Enhanced Safety: The proven design and materials minimize the risk of leaks and failures in critical cryogenic pipework, protecting personnel and assets.
- Reduced Maintenance: The extended bonnet and high-quality internal components significantly lower the frequency of maintenance interventions, reducing downtime and total cost of ownership.
- Operational Reliability: Consistent performance under thermal stress ensures uninterrupted flow control, which is vital for the continuous processes on an FPSO.
- Global Compliance: Adherence to DIN standards facilitates approval processes and ensures compatibility in global markets, including our key export regions in North America, Europe, Southeast Asia, and the Middle East.
Backed by our ISO9001-certified manufacturing processes and nearly a decade of industry experience since our establishment in 2016, Shanghai Zhibang Valve delivers products you can trust. We export valves worth US$1 Million to US$1.5 Million annually, serving clients across six continents from our strategic location in Shanghai. Our efficient logistics through major ports like Shanghai, Guangzhou, and Hong Kong ensure timely delivery. For a valve that combines cryogenic expertise with offshore durability for your FPSO's LNG system, our DIN 3357 Ball Valve is a dependable choice. Contact us today for a quotation or to discuss your specific project requirements.
Frequently Asked Questions (FAQ)
-
Q: Why is an extended bonnet necessary for this cryogenic ball valve?
A: The extended bonnet creates a "cold zone" barrier, keeping the stem packing and actuator at a higher temperature than the cryogenic fluid inside the valve. This prevents the packing from freezing and becoming brittle, ensuring reliable operation and preventing stem seal leakage. -
Q: Can this valve be used for services other than LNG on an FPSO?
A: Absolutely. While optimized for LNG, its -196°C rating makes it suitable for other cryogenic fluids like liquid nitrogen (LIN), liquid oxygen (LOX), liquid ethylene, and other low-temperature process streams commonly found offshore. -
Q: What are the available actuation methods?
A: We offer flexibility with manual operation (lever or gearbox), pneumatic actuators (double-acting or spring-return), and electric actuators. The choice depends on your control system design, available utilities, and fail-safe requirements. -
Q: Is a fire-safe version available?
A: Yes, a fire-safe design compliant with standards like API 607 or API 6FA is available as an option. This includes secondary metal seals that maintain sealing integrity in the event of a fire, which is a critical safety feature for offshore hydrocarbon processing. -
Q: How does the DIN 3357 standard benefit me as a buyer?
A: DIN 3357 specifies face-to-face dimensions, pressure ratings, and testing requirements. Using a DIN-standard valve ensures dimensional interchangeability with other compliant valves, simplifies procurement of spares, and is widely accepted in international projects, particularly in European and Asian markets. -
Q: What is the typical delivery lead time for these valves?
A: Lead times vary based on size, material, and actuation specifications. Standard configurations typically have shorter lead times. We provide accurate timelines upon receipt of your detailed inquiry and can leverage our efficient supply chain for expedited needs. -
Q: Do you provide documentation like material test certificates?
A: Yes, as an ISO9001-certified manufacturer, we provide full traceability and documentation, including material test certificates (MTC), inspection reports, and pressure test certificates, which are essential for offshore and oil & gas projects. -
Q: Can you customize the valve for specific pressure ratings or connections?
A> Yes, customization is a core part of our service. We can engineer valves to meet specific pressure classes (e.g., ANSI), provide alternative end connections like butt weld ends, or tailor materials to suit unique process media. Please share your detailed specifications for a tailored solution.
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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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