Centrifugal Fans direct driven with scroll - Nicotra Gebhardt
Centrifugal Fans direct driven with scroll - Nicotra Gebhardt
Centrifugal Fans direct driven with scroll - Nicotra Gebhardt
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RZA 11-0450<br />
Technical Data<br />
Density of media 1.15 kg/m³<br />
p sF<br />
Determination of the Octave level<br />
Inlet side Relative sound power level LWrel7 octave band correction factors fm Discharge side<br />
Duty point<br />
63 125 250 500 1000 2000 4000 8000 Hz Duty point<br />
1.4 qVopt -2 1 2 0 -7 -12 -16 -22 dB 1.4 qVopt 1.4 qVopt -4 -2 1 0 -7 -10 -16 -24 dB 1.4 qVopt 184<br />
Pa<br />
2000<br />
1500<br />
1200<br />
1000<br />
800<br />
600<br />
500<br />
400<br />
300<br />
200<br />
150<br />
120<br />
100<br />
80<br />
60<br />
50<br />
40<br />
P S<br />
q V<br />
q V<br />
0.8<br />
1.0<br />
1.5<br />
2.0<br />
3.0<br />
kW 54 % 59<br />
4.0<br />
5.0<br />
Direct <strong>driven</strong> centrifugal fans / RZA / Technical Data<br />
3000 4000 5000 6000 8000 10000 12000 15000 20000 m³/h<br />
0.7 0.8 0.9 1.0 1.5 2.0<br />
73<br />
Tolerance class 2 according to DIN 24166<br />
Measured in installation A according to ISO 5801 (unducted)<br />
76<br />
79<br />
61<br />
82<br />
3.0<br />
85<br />
L WA6;7<br />
58<br />
88<br />
saS (N max)<br />
4.0<br />
91<br />
50<br />
40<br />
94 dB<br />
30<br />
20<br />
6.0 m³/s<br />
2040 1/min 70 Hz<br />
1800<br />
1600<br />
1400<br />
1200<br />
1100<br />
N<br />
62<br />
55<br />
48<br />
41<br />
38<br />
1000 35<br />
f<br />
Relative sound power level LWrel6 octave band correction factors fm 63 125 250 500 1000 2000 4000 8000 Hz<br />
-3 -5 -3 -1 -6 -16 -19 -27 dB<br />
-9 -8 -3 -1 -5 -14 -19 -29 dB
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