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 11-0500<br />
Technical Data<br />
Density of media 1.15 kg/m³<br />
p sF<br />
186<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 />
P S<br />
1.0<br />
1.5<br />
2.0<br />
3.0<br />
4.0<br />
kW<br />
72<br />
Direct <strong>driven</strong> centrifugal fans / RZA / Technical Data<br />
Tolerance class 2 according to DIN 24166<br />
Measured in installation A according to ISO 5801 (unducted)<br />
53 % 59<br />
5.0<br />
40<br />
3000<br />
qV 4000 5000 6000 8000 10000 12000 15000 20000 m³/h<br />
0.9 1.0 1.5 2.0<br />
3.0 4.0 5.0 6.0 7.0 m³/s<br />
qV 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 75<br />
78<br />
61<br />
81<br />
84<br />
L WA6;7<br />
58<br />
saS (N max )<br />
87<br />
50<br />
90<br />
40<br />
30<br />
93 dB<br />
20<br />
1770 1/min 90 Hz<br />
1600<br />
1400<br />
1300<br />
1200<br />
1000<br />
N<br />
81<br />
71<br />
66<br />
61<br />
1100 56<br />
51<br />
900 45<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