What does a swing check valve prevent?

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A swing check valve is designed to prevent backflow in a piping system, specifically ensuring that fluids flow in only one direction. In the context of sewage systems, its primary function is to prevent one pump from sending sewage back into the tank after it has already been pumped out. This is particularly critical in systems where multiple pumps are involved, as maintaining a single direction of flow helps to ensure efficient operation and prevents potential contamination or flooding.

This specific application of swing check valves is essential in maintaining the integrity and function of the sewage system, ensuring that waste is directed properly and does not reverse flow back into the tank, which could lead to backups and operational issues. In essence, it ensures the effective management of sewage by allowing movement in one direction only.

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