Suspended doors

Trackless suspended doors nine advantages: 1, high strength carbon steel rugged, hot galvanized + spraying, more choices. 2, no rail without wheels, dangling walking, smooth running, low noise, very suitable slope high places. 3, multi-functional intelligent control system, optional external motor-driven rack and pinion or rail built-in motor drive mode (run quieter, steady). 4, ice and snow, unimpeded without interference, especially for winter arctic regions run. 5, a variety of security: Dual infrared pinch Protection, the first door crash, jam protection zone, the standard anti-climb automatic alarm system. 6, trackless door running lights prompt suspension, safety warning signs, equipped with an emergency stop device. 7, no power to open the door rail suspension clutch, manual implementation. 8, trackless suspended door styles, optional form of bolt assembly site, the installation more convenient and simple.