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Cryogenic Butterfly Valve

Specification of Cryogenic Butterfly Valve

ParameterDetails
Size Range2" – 48" (DN50 – DN1200)
Pressure ClassASME Class 150 – 600 / PN16 – PN100
Design StandardAPI 609, MSS SP-67, ASME B16.34
Face to FaceAPI 609, ISO 5752, EN 558
End ConnectionWafer, Lug, Double Flanged
Body MaterialStainless Steel, Carbon Steel, Duplex Stainless Steel
Disc MaterialCF8M, CF3M, Duplex, Super Duplex
Stem MaterialStainless Steel F304/F316, Duplex Stainless Steel
Seat MaterialPTFE, RPTFE, PEEK, Metal Seat (Cryogenic Grade)
Temperature Range-196°C to +120°C (-320°F to +248°F)
Applicable MediaLNG, Liquid Nitrogen, Liquid Oxygen, Liquid Argon, Cryogenic Gas
Design FeatureExtended Bonnet, Anti-Icing Stem Design, Low Emission Sealing
Leakage StandardAPI 598 / ISO 5208 / EN 12266
Fire Safe DesignAPI 607 / API 6FA (Optional)
Actuation OptionsManual, Pneumatic Actuator, Electric Actuator, Hydraulic Actuator
Testing StandardCryogenic Test According to BS 6364 (Optional)


Features of Cryogenic Butterfly Valve

Reliable Performance at Cryogenic TemperaturesDesigned for extremely low-temperature applications down to -196°C (-320°F), the Cryogenic Butterfly Valve provides reliable shut-off and flow control f...
Features of Cryogenic Butterfly Valve

Reliable Performance at Cryogenic Temperatures

Designed for extremely low-temperature applications down to -196°C (-320°F), the Cryogenic Butterfly Valve provides reliable shut-off and flow control for LNG, liquid nitrogen, liquid oxygen, and other cryogenic media.


Extended Stem & Bonnet Design

The extended bonnet and stem structure keeps the packing area away from the cold media, reducing heat transfer, preventing icing, and improving long-term operational reliability.


Advanced Cryogenic Sealing Technology

Equipped with cryogenic-grade PTFE, RPTFE, or metal sealing systems, the valve compensates for thermal contraction and expansion to maintain tight sealing performance under temperature fluctuations.


Cryogenic Material Selection

Manufactured with low-temperature resistant materials such as stainless steel and duplex stainless steel, providing excellent impact toughness, corrosion resistance, and resistance to material embrittlement.



Anti-Icing & Cold Bridge Prevention Design

Optimized stem and body design minimizes cold transfer and external condensation, preventing ice formation that could affect valve operation in low-temperature environments.


Lightweight Design for Large Diameter Applications

Compared with traditional cryogenic gate or ball valves, the butterfly valve offers a more compact and lightweight solution, reducing installation space and maintenance costs for large LNG pipelines.


High Flow Efficiency

The streamlined disc design reduces flow resistance and pressure drop, improving system efficiency while providing fast and reliable shut-off capability.


Low Operating Torque

Optimized disc geometry and sealing structure reduce operating torque, enabling smooth operation with manual, pneumatic, electric, or hydraulic actuators.


Bidirectional Tight Shut-Off Performance

Provides reliable bidirectional sealing capability for safe isolation in LNG terminals, cryogenic storage systems, and low-temperature process pipelines.



Features of Cryogenic Butterfly Valve
SAVVY IMPORT AND EXPORT CO., LTD.
minaxue@savvyft.com
+86-18958911667
Room 1104, Poly Center Office Building, Lucheng District, Wenzhou City, Zhejiang Province, China
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minaxue@savvyft.com
+86-18958911667
Room 1104, Poly Center Office Building, Lucheng District, Wenzhou City, Zhejiang Province, China
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Room 1104, Poly Center Office Building, Lucheng District, Wenzhou City, Zhejiang Province, China
minaxue@savvyft.com +86-18958911667
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