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2 PERFORMANCE LIMITS AND WORKING CONDITIONS
2.1 Operating environment and conveyed gas
The blower is suitable to operate only in dust free environment, with no-explosive or corrosive atmosphere
and to convey only atmospheric Air.
The atmospheric air injection can be keeped only from the ambient of installation
Warning : The blower is not suitable to convey explosive, toxic or dangerous gases.
Warning : The suction of liquids damages the blower.
2.2 Performance limits
Size
RPM
P1
(mbar)
P2-P1
(mbar)
T1
(°C)
T2
(°C)
T2-T1
(°C)
T3
(°C)
MAX
MIN
MAX
MIN
MAX
MAX
MIN
MAX
MAX
MAX
MIN
45
5000
1000
500
150
1000
50
-25
150
130
50
-25
65
4800
900
500
150
1000
50
-25
150
130
50
-25
85
3800
700
500
150
1000
50
-25
150
130
50
-25
105
3000
550
500
150
1000
50
-25
150
130
50
-25
125
2400
450
500
150
1000
50
-25
150
130
50
-25
145
2000
350
500
150
1000
50
-25
150
130
50
-25
To Atmospheric temperature -20°C < To < +45°C
Installation altitude < 1000 masl (if not differently specified on page 5)
Po Atmospheric pressure
P1 Blower inlet absolute pressure
T1 Blower inlet temperature
P2 Blower outlet absolute pressure
T2 Blower outlet temperature
2.3 Flow adjustment
Change transmission ratio
Change frequency of the motor
Use a two-speed motor
Discharge excess flow and silence it
Warning : Do not use relief valve to discharge excess flow
Warning : Do not recirculate flow to blower inlet.
Warning : Do not adjust flow by throttling inlet or outlet pipe.
2.4 Noise level
Noise level of the blower is indicated at page 4 as Sound Pressure Level according to ISO 3476 at 1m
distance from the blower and in free air (tol/- 2dB(A))
Warning : For high compression ratio and for high speed of rotation noise level of blower can
be higher than 85 dB(A).
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