Cryomech introduces helium reliquefier


At a time when helium is in notoriously tight supply, Cryomech has developed a helium reliquefier for recovering and liquefying helium vapour for existing helium cryostat operations, reports Cold Facts magazine.

At present, a number of helium dewars and helium cryostats for dilution refrigerators are operating without cryo-refrigeration and have higher liquid helium boil-off rates as a result.

The helium reliquefier from Cryomech however, is designed to re-condense the boil-off from liquid helium dewars and cryostats and return it through the existing fill port, ensuring a closed cycle system and no escape of helium.

With the supply & demand equation for helium at something of an imbalance and a globally tight squeeze for supply, any gains that can be made through process efficiency are welcomed.

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