Hangers made of galvanized sheet steel for duct support system 400mm. Ceiling hangers made of galvanized sheet steel for fastening wall and post brackets to support cable routing ducts or fire protection ducts, consisting of welded flange plate 150 x 150 mm with 8 fastening holes and elongated holes as well as with centrally arranged keyhole and U-profile 50 x 50 mm with elongated holes 12 x 35 mm per 50 mm pitch. Notes: Suitable fastening materials must be used for ceiling fastening (in accordance with general building inspection certificates abP). Ceiling pendants and wall and pole booms are to be connected to the U-profile with a screw set M 10 x 25.
