The housing is a steel frame structure with a cladding of outsourced steel plates, filled with fire-retardant materials.

·The winch system consists of a motor, reducer, brake, and drum. It features a mechanical manual release mechanism.

·The damping force and damping position of the damping device for releasing the fire curtain can be adjusted.

·Guideways and sealing devices.

·Wheel components. ·Balanced weights and guides. ·Cable ropes and accessories. Running guides are installed on both sides of the fire curtain, and sealing devices are mounted around the curtain's perimeter to the building's walls, ensuring effective sealing of smoke and fire when the fire curtain is in the lowered position.

The control panel with up, down, and emergency stop buttons allows for on-site operation. The manual release mechanism is located inside the door frame and features operational controls and status displays within the fire control room.

Fire curtains are composed of curtain bodies, guides, counterweights, hoisting systems, damping devices, protective devices, sensors, etc., with a fire-resistant limit of 120 minutes.