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Cryogenic Control Valve

Cryogenic Single-seat Control Valve

The Cryogenic Single-seat Control Valve is specially designed for low-temperature working conditions ranging from -196℃ to +80℃. It features an integral forged valve body structure and is equipped with a bellows seal assembly to ensure reliable sealing under extreme temperature conditions. The valve core is designed with a parabolic or equal percentage flow characteristic, forming a precise fit with the hardened alloy valve seat to achieve precise control of the medium flow. The product complies with IEC 60534-4 and GB/T 4213 standards, and is suitable for precise regulation of low-temperature media such as LNG, liquid oxygen, and liquid nitrogen. The pressure rating covers ANSI Class 150 to 900, and is widely used in key areas such as air separation equipment and low-temperature storage and transportation systems.…
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Product Description
The Cryogenic Single-seat Control Valve is specially designed for low-temperature working conditions ranging from -196℃ to +80℃. It features an integral forged valve body structure and is equipped with a bellows seal assembly to ensure reliable sealing under extreme temperature conditions. The valve core is designed with a parabolic or equal percentage flow characteristic, forming a precise fit with the hardened alloy valve seat to achieve precise control of the medium flow. The product complies with IEC 60534-4 and GB/T 4213 standards, and is suitable for precise regulation of low-temperature media such as LNG, liquid oxygen, and liquid nitrogen. The pressure rating covers ANSI Class 150 to 900, and is widely used in key areas such as air separation equipment and low-temperature storage and transportation systems.
Features & Benefits

This regulating valve adopts a pressure-balancing type valve core design, significantly reducing the operating torque. Combined with a high-precision guiding system, it achieves a regulation accuracy within 0.5%. The unique low-temperature compensation structure effectively counteracts the material shrinkage effect, ensuring stable performance across the entire temperature range. The valve internals are treated with a special surface treatment process, increasing the wear resistance by more than three times.

General Information

◎ Material: Stainless Steel,Alloy Steel

◎ Nominal Size: NPS 1/2*~24*,DN15~600

◎ Nominal Pressure: Class 150~2500, PN10~420

◎ Applicable Temperature: -196℃~+150℃

◎ Operator: Manual, Pneumatic, Electric, etc...

◎ Application Range: LNG, LPG, LNG low temperature conditions and long-distance pipelines such as oil, gas, and natural gas.


Technical Specification

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