Product features
The steel material is used to make curtain board, guide rail, seat plate and so on, and can meet the fire resistance limit requirements of the shutter box and electric control box.
As the fireproof partition of the escalator, its curtain board is horizontal, which reduces the area of the partition and saves the investment cost compared with the vertical roller shutter.
Using range
It is suitable for fire separation between the opening of escalator and other horizontal holes.
Type and performance metrics.
(1) when the escalator is located at the same axis, the roller shutter box at the top layer is vertical, and the vertical installation of the roller shutter box should be placed above the structural beam or column; The following fire-proof rolling curtain is a climbing type, the roller shutter box is mounted, and the roller curtain box mounted on the hanger should fully consider the bearing capacity of the structural beam or column.
(2) when the rolling curtain is normally open and closed, the roll curtain stops at a certain position below the floor surface, and the roll curtains are not fully retracted into the rollers.
(3) when the curtain box and the guide rail are exposed, the exterior decorative surface should be made (the exterior decoration is constructed by the civil unit).
(4) the maintenance of the roller shutter box should be larger than 500mmX500mm.
