News

Industrial sectional door, also known as sectional lift doors and industrial sliding doors, are suitable for the exterior and interior of various buildings. The sectional door have good stability. In addition, the sectional door is filled with high-density polyurethane foam material inside the double-layer door panel. The thickness of the door panel is 40mm thick, which has the functions of heat preservation and impact resistance.

1. Bottom airbag: The bottom edge is the airbag, which is soft to press. When the door is lowered and runs, there is a door or car pass-through type, which can minimize the damage to people and vehicles.

2. Torsion spring anti-break device: the above is the torsion spring, we use 82B imported spring steel, or domestic brand 60Si2Mn. The surface of the torsion spring can be treated with dacromet spraying, and the surface is galvanized, which can have the effect of anti-corrosion and anti-rust. The anti-breakage device of the torsion spring can respond quickly and lock when the torsion spring breaks accidentally.

3. Steel wire rope anti-drop device: The steel wire rope is on the side track. According to the literal understanding, the steel wire rope generates tension on the door to prevent the cable from accidentally breaking and the door body falling, which plays a protective role.

4. End buffer: This is a safety device only in the turning lifting method, in order to prevent the door body from rushing out due to inertia during the lifting process.

The sectional door has the characteristics of beautiful appearance, firmness and durability, sealing and heat preservation, and saving the space occupied by the factory, and is widely used by enterprises and factories.