The DKHR Series backward curved impellers equipped with integral inlet cones are ... The DKHR 630 employs a plastic impeller. The fans are balanced on two levels according to quality class G 2.5, ...

Adelaide The original fan and air handling unit (AHU) arrangement for level 14, which is typical throughout all floors of the building, comprises a coil face bypass arrangement, with air distributed ...

backward-inclined-type centrifugal fans. This also includes backward-curved and airfoil-blade designs. When the fan is throttled while operating at full speed and is “starved” for air, some of the ...