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Marine Check Valve Designed for LNG Carrier Cargo Handling Systems, Cryogenic Service, Stainless Steel
Product Spotlights
Cryogenic stainless steel check valve purpose-built for LNG carrier cargo systems. Withstands -196°C, bubble-tight shut-off, low pressure drop, and compliance with API 602. Backed by ISO9001 certified manufacturer with global shipping and customization options.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Stainless Steel (CF8M, 316L)
Application:
Other, LNG Carrier Cargo Handling
Size Range:
DN15 – DN600 (1/2“ – 24“)
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, Stainless Steel (CF8M, 316L)
Application
Other, LNG Carrier Cargo Handling
Size Range
DN15 – DN600 (1/2“ – 24“)
Pressure Rating
Class 150 – 1500 (PN16 – PN250)
End Connection
Flanged (ASME B16.5), Butt Weld, Socket Weld
Temperature Range
-196°C to +80°C (Cryogenic Service)
Design Standard
API 602 / BS 1868 / ASME B16.34
Type
Lift Check, Swing Check, or Dual Plate Check
Shanghai Zhibang Valve Manufacture Co., Ltd. has been a trusted manufacturer of high-performance valves since 2016, specializing in cryogenic and marine applications. Our Marine Check Valve Designed for LNG Carrier Cargo Handling Systems is engineered to withstand the extreme demands of liquefied natural gas transportation, operating reliably at temperatures as low as -196°C. Crafted from premium stainless steel, this check valve ensures bubble-tight shut-off, minimal pressure drop, and long service life in the most critical cargo handling circuits.
With an annual export value exceeding US$1 million and a global presence spanning North America, Europe, Asia, and Oceania, Shanghai Zhibang delivers valves that meet rigorous international standards. Our manufacturing facility in Shanghai combines advanced CNC machining, 100% pressure testing, and ISO9001 quality management to guarantee every valve performs flawlessly in cryogenic service.
Key Features & Technical Specifications
- Cryogenic Design: Specially designed for LNG carrier cargo handling systems, with a working temperature range of -196°C to +80°C. All components are cold-tested to ensure dimensional stability and sealing integrity.
- Stainless Steel Construction: Made from AISI 316L or CF8M stainless steel, offering excellent corrosion resistance against seawater, LNG, and other aggressive media.
- Low Pressure Drop: Streamlined flow path and optimized disc design minimize turbulence and pressure loss, improving system efficiency.
- Bubble-Tight Shut-Off: Metal-to-metal or optional soft seat sealing ensures zero leakage in both forward and reverse flow conditions.
- Extended Bonnet (Cryogenic Service): Standard extended bonnet design to protect the packing and actuator from frost, ensuring reliable operation.
- Easy Maintenance: Top-entry design (for lift check type) allows quick in-line inspection and repair without removing the valve from the pipeline.
- Compliance: Manufactured according to API 602, BS 1868, ASME B16.34, and ASME B16.5 flange standards. Custom designs available for specific client requirements.
| Parameter | Value / Range |
|---|---|
| Material of Construction | Stainless Steel (SS316L, CF8M) |
| Size Range | DN15 to DN600 (1/2" to 24") |
| Pressure Class | Class 150 – 1500 (PN16 – PN250) |
| End Connections | Flanged (ASME B16.5), Butt Weld, Socket Weld |
| Operating Temperature | -196°C to +80°C |
| Design Standard | API 602 / BS 1868 / ASME B16.34 |
| Testing | Shell & Seat Hydrostatic Test, Cryogenic Cold Test |
| Optional Features | Soft Seat (PTFE/PEEK), Locking Device, Position Indicator, Actuator Preparation |
Customer Benefits
- Enhanced Safety: Designed for zero-leakage and safe operation in hazardous LNG environments, reducing risk of fire and explosion.
- Reduced Downtime: Robust construction and easy in-line maintenance minimize unscheduled shutdowns.
- Long Service Life: Premium materials and cryogenic-specific engineering deliver exceptional durability even under extreme thermal cycling.
- Global Compatibility: Flange dimensions and pressure ratings conform to international standards, ensuring seamless integration with existing LNG carrier systems.
- Customization Available: Size, pressure class, end connections, and trim options can be tailored to your specific project needs.
Why Choose Shanghai Zhibang Valve?
Since 2016, we have supplied over 50,000 valves to marine, petrochemical, and cryogenic industries worldwide. Our ISO9001-certified facility ensures every valve undergoes rigorous quality checks, including 100% pressure testing and cryogenic verification. With an annual export value exceeding US$1 million and a network of satisfied customers across 15+ countries, we are your reliable partner for critical cryogenic valve solutions.
Ready to enhance the safety and efficiency of your LNG carrier cargo system? Contact our engineering team today for a tailored quotation or technical consultation. We ship from ports in Shanghai, Guangzhou, Hong Kong, and Beijing, with competitive lead times.
Frequently Asked Questions (FAQ)
-
Q: What temperature range can this marine check valve handle?
A: The valve is designed for cryogenic service from -196°C to +80°C, making it suitable for LNG carrier cargo handling systems. -
Q: What materials are available for the body and trim?
A: Standard material is stainless steel 316L or CF8M. Trim options include 316L, Stellite, or PTFE soft seats (optional). -
Q: Do you offer different check valve types (swing, lift, dual plate)?
A: Yes, we can supply swing check, lift check, and dual plate check designs according to your piping system requirements. -
Q: How is the valve tested before delivery?
A: Each valve undergoes hydrostatic shell and seat tests per API 598, plus optional cryogenic cold testing at -196°C. -
Q: Can the valve be customized for specific size or pressure class?
A: Absolutely. We offer custom sizes (DN15–DN600) and pressure classes (Class 150–1500). Contact us with your specifications. -
Q: What certifications does your company hold?
A: Our facility is ISO9001 certified. We can also provide material certificates, NDT reports, and test certificates upon request. -
Q: What are the typical lead times for standard valves?
A: Standard sizes are usually shipped within 30–45 days after order confirmation. Custom projects may require longer lead times. -
Q: Which ports do you ship from?
A: We ship from Shanghai, Guangzhou, Hong Kong, and Beijing, with flexible logistics options to global destinations.
Send Inquiry to This Supplier
1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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