KA022 is an unique Revolving door with "3 in 1 function" which included Revolving door +Sliding door+ Balanced door. KBB's superior design provides an imposing entrance to any building, while serving as an airlock as well, to minimize a building's heating or air conditioning losses, therefore maximizing energy savings . kbb revolving door 3 in 1 Safety functions 1. Drum wall load-bearing structure 2. Emergency stop 3. Handicap function 4. Anti-squeeze function 5. Anti-strike function 6. Force-sensitive Control 7. Torque Control Function 8. Safety Relay 9. Panic breakout 10. LED Panel
