Often, this valve is installed on the ceiling and away from the side wall. The frame of this type of valve is wide like all rectangular valves with a depth of about 5 cm and the vanes can be separated from the valve frame. As it is clear from the name of the product, the material of the frame and vane of this valve is made of high-quality aluminum, as well as the ability to install a variety of valve back dampers (parallel valve back damper and mutual valve back damper) as well as valve back conversion if required by the customer. There is on the back of the valve. The correct installation of the wide opening coil valves of the roof should be 7 cm greater than the dimensions behind the valve. Also, the channel connected to the back of the valve should end 2 cm above the lower level of the ceiling. Of course, in the case of using a plenum box or converting the round into a galvanized square and connecting the valve to the main channel by means of flexible channels, the mentioned restrictions will disappear. These valves have removable blades (moving) that can be installed without dampers or installed with parallel and opposite square dampers. It is not possible to access the dampers in this valve from the distance between the blade and the frame, and it is done by separating the blade. It is also possible to install it with a butterfly damper as well as install it from inside the frame without the need for screw holes on the face of the frame. It is worth mentioning that the air distribution pattern of this valve is wide horizontal (Wide Horizontal) in one to four directions.
It should be noted that if dampers are installed behind a valve, access to the damper is not from the frame, but the direction To access the damper, the part of the blades must be separated from the frame, which will be possible to separate the blade from the frame from the part on the valve. Also, due to the ability to separate the blade from the frame and maintain the appearance of the valve, there is no screw hole on the valve frame, and the valve is connected to the corresponding channel from the inside of the frame, but if the customer needs, the screw hole will also be installed in the valve frame. Please note that in order to use this type of valve, the wooden frame around the channel and the channel should be 2 cm above the ceiling and the cut on the ceiling should be 3 inches larger than the dimensions of the channel. 16 x 16 inches) or the all-armstrong ceiling valve with a square wide aluminum coil (17 x 17 inches) is also produced in different types of electrostatic powder colors.