Electric Security Folding Door

Heavy type steel folding door implements corporation and GB1804-2000related standards.
Large folding door generally has two methods of operation, manual and electronic. Commonly used in industrial workshop doors, large equipment room, large warehouse or hangar door, etc. The characteristics of the folding door is open radius is small, save space ;Appearance beautiful, using the center shaft bearing, it's easy to open and close, low noise, ground without bearing orbit; Multiple leaves, the each single door leaf is easy to carry, install; According to the design characteristics, the panel can be partial conversion.
Our folding door is for industrial use, it's heavy type of folding door, according to the opening size, the general frame is 200 * 100 * 4 mm rectangular tubes, door leaf main frame adopts 100 * 100 * 4 square tubes, door leaf skeleton using 50 * 100 * 3 mm torque tubes welded, door core filling polyurethane or rock wool, door leaf panel is 1.0 ~ 1.5 mm galvanized steel plate. The first door leaf is bared by axis, the rest of the leaves by hinges. All the steels used for folding door should do galvanized processing. According to use environment ,the door leaf panels is with electrostatic powder spraying finish or fluorine carbon spraying, the service life of the coating is in commonly more than 15 years. Heavy folding door appearance solemn, not only beautiful, but also has the resistance to wind pressure, fire prevention, guard against theft, corrosion resistance, etc. Motor is Italy brand, not only strong ,strength, stable performance, reliable quality, and is suitable for a variety of special power supply.