☆Thismotor has a resistance rebound for 3 seconds.☆The door will automatically stop or rebound if an obstacle appears, it is more security.☆This machine is not necessary to distinguish the left and right X installation mounting
The fan is mainly used for boiler ventilation and ventilation, which is applicable to the ventilation and ventilation system of steam boilers below 670t/h in thermal power plant.Dust removal device must be added before the induced draft fan to reduce the