Application:This operator is an open-close drive mechanism for bus bi-fold doors, which we introduce and improve the Japanese technology. (Used for Yutong bus,Higer bus,Kinglong bus,Dongfeng bus,Shaolin bus,etc) Main characters: Anti-clamping, superior performance and excellent durability. Further more, it can be used in the extremely hot and cold weather areas. It is widely used for the city bus and mini-bus. Mechanism:
- Auto-operation:At the normal condition, door operator controls the vehicle door operation by driving the pneumatic cylinder shaft forward and backward. Push the button to control solenoid through control box to achieve the opening and closing motions.
- Manual operation:When the bi-fold door in any position, if you want manual operation, you need rotate the emergency valve into “Manual” position and then pull or push the door to easily open and close the door.
- Sensitive edge:In case the passenger or other items are clamped during the vehicle door closing, the cylinder will immediately stop operation after the limit switch cut the power off that is activated by the magnetic switch mounted outside of cylinder.
|Door pump stroke||180mm|
|Opening Direction||Forward opening & Backward Opening|
|Operating Temperature||-30°C + 80°C|
|Operation Pressure||90-125 psi|
|Opening and Closing Time||3-5 Sec|