Electric linear window opener
Especially suitable for large-size smoke exhaust channel and smoke exhaust skylight. Beautiful and simple shape design. Sliding installation fits a variety of windows. Smooth and powerful output. Electronic overload protection. Multiple motors can...
Fire damper, fire and smoke dampers, smoke vent, exhaust fans, exhaust ducts, and louvers, etc; electric window opener, linear actuator window openers, chain type window openers, Hand-cranked window openers, and remote control panel, etc.