25
3 - Description
Air flow of HF540, HF540D and HF640D centrifugal turbines
Blower unit
Speed
Relationship
Turbine diameter
Power
Air flow
m3/h
cubic foot/minute
HF540
1st low
1 - 6.6
540 mm
12 Kw
16 HP
8.000
4700
TS3 P540 / TS6 P540
2nd high
1 - 7.8
16 Kw
21
10.000
5900
HF540D
1st low
1 - 5.7
540 mm
14 Kw
19
11.000
6500
TD3-P540
2nd high
1 - 6.6
22 Kw
29
15.000
9000
HF640D
1st low
1 - 4.5
640 mm
24 Kw
33
27000
16000
TD3-P640
2nd high
1 - 5.7
36 Kw
49
37000
22000
Protective grid
The blower units have protective grids fitted to the air inlets. They are
essential for avoiding accidents and preventing small stones, leaves or
other foreign bodies from entering the blower unit that could cause
damage inside the grid.
DANGER! It is strictly forbidden to use the blower unit without
the protective grid.
DANGER! Do not approach the fan when in use.
DANGER! Do not introduce foreign bodies through the grid,
regardless of whether the turbine is in use or not.
DANGER! During the working day, protect your hearing from
the noise produced with EN 352-1:1992 approved earmuffs or
similar.
DANGER! In the case of vibrations or knocking, stop the turbine
immediately.
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