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The "Hydropan" tank is a hydropneumatic accumulator with an interchangeable membrane which is installed on water networks.
Water is in the membrane, which avoids its contact with the wall of the tank and thus makes it possible to avoid the problems of corrosion caused by sandblasting and / or by chemical attacks (H2S in particular).
The fact of putting water in the membrane also makes it possible to be able to pre-inflate the reservoir to sufficient values making it possible to reduce the capacity of the latter.
It can be used to ensure:
- "anti-water hammer" protection (damping of water hammer in transient conditions),
- pressure maintenance (limitation of the number of hourly pump start-ups),
- expansion on a closed network (absorption of the expansion volume on a hot water network).
It can be used to provide "anti-water hammer" protection (damping of water hammer in transient conditions).