This Korean Industrial Standard specifies V-belt driven centrifugal forward-curved bladed fans, hereinafter refer-red to as the "fans", which have size (1) from 1 50mm to 1 600mm in blade outer diameter and are mainly used for the ventilation and air conditioning or buildings. However, those fans incorporated in package type air conditions, fan-coil units, or the like shall be excluded.
The gas handled by the fans shall be air at a temperature from - 1 5°C to +40°C.
Note (1) Refer to 3. Classification.
Remark: The units and numerical values given in { } in this standard are in accordance with the traditional units, and are appended for reference