The lift door is a spring balance device, using a small power transmission system, vertical or turning along the wall. Accounted for about 20%, the small space, by opening and closing a flexible, and is equipped with the safety protection device, decreased in case of immediately stop or go back to the fully open position.
The doors of the surface material with flowers aluminum or steel, both sides by professional equipment, cold pressed into shaped seal enterprises mouth, in the middle filled hard polyurethane, the doors at both ends of the envelope by riveting. The width of the door more than 4300 mm, each door plate transverse added a stiffeners and plate riveted.
1, accord with the design requirements of the lifting door products, from door, rail, motor drive part.
2, to enhance the door driving mode for electric hoist lifting door.
3, no matter what kind of lifting doors are made from the factory into a finished product, shipped to the site installation.