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Centrifugal Fans direct driven with scroll - Nicotra Gebhardt

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RZP 11-0400-EC-52<br />

T06-745.2.340-300<br />

Technical data<br />

Please note coloured area!<br />

N do not use in this area<br />

p sF<br />

216<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 1S<br />

40<br />

2000<br />

qV 2500 3000 4000<br />

6000 8000 10000 15000 m³/h<br />

q V<br />

0.5<br />

0.6<br />

0.8<br />

1.0<br />

1.5<br />

0.6 0.7 0.8 0.9 1.0<br />

2.0<br />

3.0<br />

kW<br />

4.0<br />

72<br />

56 % 62<br />

1.5 2.0<br />

Determination of the Octave level<br />

Inlet side<br />

Relative sound power level LWrel7 at octave band correction factors fc .<br />

Discharge side<br />

Normal operation area<br />

Speed<br />

Duty point<br />

75<br />

78<br />

81<br />

64<br />

84<br />

L WA7<br />

87<br />

3.0<br />

Direct <strong>driven</strong> centrifugal fans / RZP / Technical data<br />

esd (N max)<br />

60<br />

90<br />

50<br />

93 dB<br />

4.0<br />

40<br />

30<br />

20<br />

m³/s<br />

2600 1/min<br />

2400<br />

2100<br />

1800<br />

1500<br />

1300<br />

1100<br />

N<br />

r 1 = 1.15 kg/m³<br />

63 125 250 500 1000 2000 4000 8000 Hz<br />

≤2342 1/min 0.70–1.4 q Vopt ­3 ­4 0 ­2 ­5 ­9 ­15 ­19 dB<br />

>2342 1/min 0.70–1.4 q Vopt ­5 ­11 ­5 ­1 ­5 ­8 ­12 ­21 dB<br />

Relative sound power level L Wrel6 at octave band correction factors f c .<br />

Speed<br />

Duty point<br />

Density of media 1.15 kg/m³.<br />

Measured in installation A according to ISO 5801 (unducted).<br />

63 125 250 500 1000 2000 4000 8000 Hz<br />

≤2342 1/min 0.70–1.4 q Vopt ­5 ­2 0 ­2 ­4 ­10 ­16 ­21 dB<br />

>2342 1/min 0.70–1.4 q Vopt ­8 ­8 ­6 ­2 ­4 ­9 ­14 ­24 dB

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