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The aluminum airfoil vane return valve is for use in the return channel on the wall and due to the elegance of the vane profile, they are placed in places far from the possibility of impact. Due to the shape and type of vane profiles, it is not recommended to use this type of valve in widths of more than 70 cm or outside the building. Airfoil return valve vanes are fixed with a 40 degree angle, and when ordering in long widths, columns are used to create strength in the valve frame. The angle of the vanes is designed in such a way that the visibility into the channel is minimized while creating a low pressure drop.
Installation of aluminum airfoil return valve
Installation of these valves is done by self-tapping screws and on a wooden frame installed on the edge of the channel, so it can be used on all kinds of walls such as plaster, cement, brick, wood, etc. Airfoil vane return valve can be ordered with parallel and cross valve rear dampers. This valve is produced in different types of electrostatic powder colors.
If there is a need for return valves in public environments or large dimensions, it is recommended to use the aluminum Z vane return valve.
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