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Help CenterLow Temp Check Valve -196 Deg C, Marine Grade, 316L SS, Flanged Ends, DN15-DN100, PN16-PN40, Standard Compliant, LR Approved
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Shanghai Zhibang Valve Manufacture Co., Ltd is proud to present our Low Temp Check Valve engineered for extreme cryogenic applications down to -196°C. As an experienced manufacturer since 2016 with annual export value exceeding US$1 million, we ensure every valve meets the highest marine and industrial standards. This check valve features 316L stainless steel construction, flanged ends, and is LR Approved, making it a reliable choice for LNG, LPG, and other cryogenic fluid handling systems.
Our check valves are designed to prevent backflow in pipelines where low temperature and high corrosion resistance are critical. The marine-grade 316L SS offers excellent toughness at sub-zero temperatures, while the flanged connection (DN15-DN100) and pressure range (PN16-PN40) provide flexibility for various system configurations. Each valve is manufactured under strict ISO9001 quality management, ensuring consistent performance and durability.
Key Features & Technical Specifications
- Cryogenic Capability: Designed for service temperatures as low as -196°C, suitable for liquid nitrogen, LNG, and oxygen.
- Superior Material: 316L stainless steel offers exceptional resistance to pitting and crevice corrosion in marine environments.
- Flanged Ends: Available in DN15 to DN100 with raised face or ring-type joint flanges per ASME B16.5 or EN 1092-1.
- Pressure Ratings: PN16 / PN25 / PN40 options cover a wide range of medium-pressure systems.
- LR Approval: Certified by Lloyd’s Register, guaranteeing compliance with marine and offshore regulations.
- Low Leakage: Metal-to-metal or soft seal options ensure bubble-tight shut-off under cryogenic conditions.
- Compact Design: Optimized body contour reduces pressure drop and minimizes space requirement.
- Customizable: Optional extended bonnet, purge connections, and position indicators available upon request.
Technical Data (Reference)
| Parameter | Value |
|---|---|
| Material | 316L SS (CF3M) |
| Temperature Range | -196°C ~ +80°C (depending on seal) |
| Size Range | DN15 – DN100 (1/2" – 4") |
| Pressure Rating | PN16 / PN25 / PN40 (150# ~ 300#) |
| End Connection | Flanged (RF, RTJ) |
| Design Standard | API 602, BS 5352, ISO 9001:2015 |
| Certification | LR Type Approval, ISO9001 |
Why Choose Shanghai Zhibang Valve?
Our company has been dedicated to the valve industry since 2016, with an annual export value of US$1 million to US$1.5 million. We serve markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Every product is manufactured under strict ISO9001 quality management systems, ensuring consistent reliability. Our LR Approved cryogenic check valves have been widely adopted in LNG carrier, offshore platforms, and industrial gas plants.
We offer flexible shipping from Shanghai, Guangzhou, Hong Kong, and Beijing, and our experienced team provides comprehensive after-sales support. With a focus on innovation and customer satisfaction, we are your trusted partner for critical cryogenic flow control solutions.
Frequently Asked Questions (FAQ)
-
What is the lowest temperature this check valve can handle?
Our low temp check valve is designed for -196°C, suitable for most cryogenic media including liquid nitrogen, LNG, and liquid oxygen. -
Is the valve suitable for marine environments?
Yes, the 316L stainless steel construction and LR approval make it fully compliant with marine classification standards, offering excellent corrosion resistance in saltwater. -
What pressure ratings are available?
Standard options include PN16, PN25, and PN40. Custom pressure classes can be discussed for specific projects. -
Can I get the valve with different end connections?
Flanged ends are standard (RF or RTJ). Socket weld or threaded ends are also available as custom options. -
What certifications do you provide?
We provide ISO9001 certificate and LR Type Approval certificate. Material test reports (MTR) can be included upon request. -
What is the typical lead time?
For standard sizes (DN15-DN100), lead time is 15-30 days after order confirmation. Custom options may take 30-45 days. -
Do you offer samples for testing?
Yes, we can provide samples for approval before mass production. Sample freight is negotiable. -
How do you ensure quality control?
All valves undergo hydrostatic and seat leakage testing at our factory. Third-party inspection is also welcome.
Contact us today for a competitive quote or technical consultation. Let Shanghai Zhibang Valve be your reliable partner in cryogenic fluid handling!
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