Centrifugal Fans AT belt driven - Nicotra Gebhardt

AT 10/10
Technical Data
Impeller Data Impeller Data
Impeller diameter
Number of blades
Dr z
273
48
mm Impeller weight
Density of media
Moment of Inertia
J 0.055 kgm² Tolerance class (DIN 24166)
Performance Curves
Please note coloured area!
N all types suitable
N AT AR only
N do not use in this area
2500
Pa
2000
1500
1000
p F
60
800
600
500
400
300
200
150
100
80
60
50
600
q V
v 2
p d2
2
P r
0.2
800
0.06
65
70
1000 1500 2000 3000
0.4 0.6 0.8
57%
m 3.5 kg
r 1 1.2 kg/m³
2
4000 5000 6000 8000 10000 15000 m³/h
3 4 5 6 7 8 9 10 14 20 30
75
1
2
3 4
3 4 6 8 10 20 40 60 80 100 200 400 600 800 1000 Pa
∆L Wrel4 (A)
Duty Speed
point 1/min
dB
SX 1800 3
SX 1200 2
SX 700 2
qV opt 1800 2
qV opt 1200 2
qV opt 700 2
DX 1800 3
DX 1200 2
DX 700 2
0.12
SX
0.18
0.25
0.37
0.55
0.75
1.1
kW
1.5
Normal operation area
Belt Driven Centrifugal Fans / AT / Technical Data
Performance certified is for installation type B - free inlet, ducted outlet.
Power rating (kW) does not include transmission losses.
Performance ratings do not include the effects of appurtenances (accessories).
DX
2.2
62
3.0
80
66
4.0
L WA 7
Relative sound power level for inlet side L Wrel7 at octave
centre frequencies f c
63 125 250 500 1000 2000 4000 8000 Hz
0 -4 1 -7 -7 -7 -9 -14 dB
-1 0 0 -7 -5 -6 -10 -17 dB
-1 3 -4 -4 -4 -7 -13 -21 dB
-4 -8 -1 -8 -7 -6 -8 -11 dB
-6 -3 -2 -7 -6 -6 -9 -14 dB
-4 0 -6 -4 -4 -7 -11 -19 dB
-1 -5 -3 -9 -8 -7 -7 -8 dB
-2 -4 -4 -9 -7 -6 -7 -10 dB
-5 -2 -9 -7 -6 -6 -8 -13 dB
Nicotra Gebhardt S.p.A certifies that the fan shown herein is licensed to bear the AMCA Seal.
The ratings shown are based on tests and procedures performed in accordance with AMCA
Publication 211 and comply with the requirements of the AMCA Certified Ratings Program.
The AMCA Certified Ratings Seal applies to air performance ratings only.
85
68
5.5
90
η r
7.5
65
95
56
100 dB
40
43
m³/s
m/s
1/min
2200
1600
1400
1300
1200
1100
1000
900
800
700
600
N
W W W
14
11
9
9
8
7
7
6
5
5
4
AT S
AT SC
26
2000 13 13 24
1800
12
14
12 22
11
9
9
8
7
7
6
5
5
4
19
17
16
14
13
12
11
10
8
7
AT AR
63 125 250 500 1000 2000 4000 8000 Hz
9 3 5 -3 -4 -5 -7 -12 dB
8 5 4 -4 -4 -5 -8 -15 dB
5 7 -1 -2 -3 -6 -12 -20 dB
4 -2 3 -5 -4 -5 -6 -10 dB
2 2 1 -4 -4 -5 -7 -13 dB
1 4 -3 -3 -3 -5 -10 -18 dB
7 1 1 -5 -5 -4 -5 -7 dB
5 0 -1 -6 -4 -4 -6 -8 dB
0 1 -5 -4 -4 -4 -7 -13 dB
P b
Measured in installation B
according to ISO 5801:
Relative sound power level for discharge side L Wrel4 at
octave centre frequencies f c