Rietschle Central Vacuum Standard Systems - Liquid Rings Unit / L-SV

Rietschle Central Vacuum Standard Systems - Liquid Rings Unit / L-SV For stable operation, liquid ring pumps must be permanently supplied with liquid, which escapes with the conveyed gas on the discharge side. That is why we have developed standardized circuit units as system solutions, which feed the operating liquid that escaped on the discharge side completely or partially back into the pump. Circuit units are available for the full range of Elmo Rietschle liquid ring pumps, with ATEX certification and in stainless steel or cast iron. Partial circuit:

To avoid the heating of operation liquid, only the required part of fresh water is delivered to the pump – against the compression capacity of the pump – that is needed for temperature constancy. Closed circuit:

The liquid circuit is cooled by a heat exchanger.

Process gases/vapours stay in the circuit, so contaminated sewage and consumption of fresh water is avoided.

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