Cryogenic liquids are produced by air decomposition plants by liquefying the corresponding gases which are filled either into stationary tanks or into special transport containers and then taken to the appropriate application.

The most commonly used liquid cryogens are nitrogen, oxygen, hydrogen, argon and helium. Cryogenic temperatures of up to -270°C are not uncommon. QUADAX® butterfly valves are worldwide successfully installed in air decomposition plants and in other freezing processes where high temperature differences occur.

The round sealing geometry allows a uniform wall thickness of the sealing seat thus ensuring that a linear expansion/shrinkage can take place during temperature fluctuations. This unique design provides the best tightness.

The most commonly used liquid cryogens are nitrogen, oxygen, hydrogen, argon and helium. Cryogenic temperatures of up to -270°C are not uncommon. QUADAX® butterfly valves are worldwide successfully installed in air decomposition plants and in other freezing processes where high temperature differences occur.

The round sealing geometry allows a uniform wall thickness of the sealing seat thus ensuring that a linear expansion/shrinkage can take place during temperature fluctuations. This unique design provides the best tightness.

Low temperatures
Cryogenic applications

Suitable products

QUADAX® flange

 

QUADAX® lug

QUADAX® short pattern buttweld

QUADAX® gate valve replacement

QUADAX® Top Entry buttweld

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