TiA System

Non return valve

Product description

Non-return valve is mounted in a gravity sewage systems in order to reduce the risk of flooding of the lowest-lying building storeys caused by back flow of storm water and sewage. It is also kind of barrier against the rats and other rodents which may enter to the building interiors through the sewage, sanitary and rainwater drainage systems. Non-return valve does not require any external power supply and operates automatically.

MATERIAL: Polipropylene

Technical parameters


Non return valve (2)

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