Air back pressure valve with rubber gaskets (galvanized) Ø160 mm

The valve has a split flap closure on the inside, what allows to flow air only in one direction. The closing flaps are made of lightweight aluminum sheet attached to a steel rod with springs. Thanks to them, the flaps are kept in a closed position until the air flow occurs in the desired direction. Valves are usually installed on the fresh air intake and exhaust ducts, preventing unwanted air flow in the opposite direction. The valve is designed to be installed inside the air duct, which saves space and installation time.

Made of galvanized tin, equipped with two rubber gaskets and aluminum shutter blades inside. 

Available sizes: Ø125, Ø160 Ø200 mm.

Instalation into the duct: