According to distinguish the rated speed regulation: less than 2.5 meters per passenger elevator, operation of maximum noise within the enclosure shall not be more than 55 decibels, The rated speed in 2.5 meters per second to 6 meters, the guest rooms with elevator running inside car maximum noise values should not be more than 60 db, All the guest use elevator in the process, the maximum noise shall not exceed 65 decibels.
Escalators, Elevator Machine, Elevator Traction Machine, Elevator Parts, Passenger Elevator