Sand Trap Louver Installation Detail drawing is shown in attached.
Filter vertical section view with support, sand trap louver vertical section view with support and sand trap louver vertical section view without support also indicated in drawings
Metal to metal connected through welding, other than bolt, nut & washer connection wherever indicated in drawing. In sand trap louver, through drain whole sand will be collected in sand chute. Filter assembly easily removable for maintenance purpose using clipping mechanism.