SMG-3000 Inner passage door-low noise type Door body dimensions:3500 x 3500(H)mm Speed: open/close(M/S)1.5/1.0 Door curtain thickness (mm):1.5 Transparent window:Square/ellipse Door box motor cover optional Guide rail:Aluminum alloy Control system:Standard frequency conversion control system Protection system:Standard infrared photo-electric protection system
SMG-3000 increases the stability of door curtain, reduces the running noise,and makes the running speed of door body faster through the connection between pulley and guide rail