Air / dust / smoke tight inspection flap (air and dust proof class 4, DIN EN 1026 + 12207, suction and pressure, smoke tight in accordance with DIN 18095) for installation in walls (mounting walls, facing shells and solid walls) and suspended ceilings.
规格
One inspection flap for ceiling and wall and for 4 planking thicknesses: flush-mounted diamond plate, no filling of the lid required, small opening path of the closure and low installation depth in the cavity, subsequently applicable, standard suitable for installation in masonry, fitting even when Befliesung in the sanitary area.