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Check valve that reduces the risk of backflow of surface water.
Dimensions Ø160 and Ø200. Easy installation.
Check valve consists of a self-closing flap and is mounted in a unit with a socket in the inlet and outlet.
Comes with a powerful lid.
The check valve is made of age- and corrosion-resistant material, PP (polypropylene).
The flap has a rubber gasket and is made of chrome-nickel material to prevent the intrusion of rodents.
Mounted on a stable surface.