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HYDRA® expansion cells are used to absorb changes in volume. Their advantages include high volume compensation combined with minimal reaction pressure, good corrosion, temperature resistance and long term diffusion tightness and service life.
They are manufactured from stainless steel membrane pairs having a special profile, which are circumferentially welded. Standard connections include easily mounted brass clamp ring connections. Other connections are available on request.
Installation options include column configurations, whereby multiple cells can readily be coupled together to allow increased changes in volume to be absorbed.