Based on more than 20 years’ experience in automatic door industry as well as the strong technology foundation, KBB  has become one of the few commercial building door system solution providers in the world, especially in the field of super large (20m could be achieved), super heavy commercial doors, KBB even stands at the top of the list.

General Description

Super high and super large swing door is not easy for any door manufacturer. KBB understand it quite well, and based on its more than 20 years’ experience in automatic door industry as well as the strong technology foundation, we has become one of the few commercial building door system solution providers in the world, especially in the field of super high, super wide and super large commercial doors, KBB even stands at the top of the list.

Super large commercial doors contain mainly the large commercial sliding door, novel super large swing door /balanced door, and large unequal double door. KBB’s  powerful R&D team has surely the capability of proving super large customized commercial swing door with the height over 20 meters, and this is impossible for most of the commercial swing door providers in the world.

Main parameters about KBB super large commercial doors are as follows

Considering the size and weight of the super large commercial swing door, to ensure safety, KBB has implemented thorough selection and research for the related metal accessories, to maximally avoid accidents and danger during the application. The center hang type auto hinge used for the swing door and has the supportability of maximum 1600KG, and the maximum hoisting capacity required is just 128N, supportability of offset hung pivot hinge even reaches to 3000KG incredibly, which exceeds substantially the accessory requirement of the super large and super heavy commercial swing doors.