top mounted gasholder
This type of gas holder works similar to the double membrane gas holder. The difference is that this type is mounted on top of a tank. This tank could be erected in steel or concrete. In case that mixer or other internals are mounted in the tank a belt under construction with a centre mast can be provided.
This possibility offers you a lot of advantages:
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Reducing of costs because there is no additional gas cover necessary, the gas holder is integrated.
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There cracks like in greater concrete roofs.
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No additional constructions for a separate gas holder.
