Profile: SE Controls specializes in providing smoke and natural ventilation systems. We offer a comprehensive range of natural and powered smoke heat & exhaust ventilation systems (SHEV) suitable for any size and type of building. Systems are designed to facilitate the safe escape of occupants in the event of a fire and to enable the fire to be fought in its early stages. Our TGCO 24 150 is a compact chain actuator mainly used for natural ventilation window applications. It features overloading protection, corrosion free external elements and opening strokes, finishes & fixing options available.