GENERAL
NA Series Operating & Instruction Manual
Page 2
Noise levels
The following table reports the noise level produced by AxFlow Aturia NA series pumps running with in
their operating limits and installed according to the instructions given in this manual (average values
measured in free field at 1 meter from the pump set and elaborated according to ISO standard R1680 –
curve A). The values are referred to groups with AxFlow standard electric motors. For other motors the
table values shall be compared to the actual used motors.
MOTOR
FRAME SIZE
MOTOR SPEED
2 Pole 4 Pole
63
65
65
71
67
65
80
71
65
90
73
67
100
77
69
112
79
70
132
80
71
160
81
72
180M
82
73
180L
82
73
200
83
74
225
84
75
250
85
77
280
86
80
315S
89
83
315M
90
84
355
91
87
400
93
89
Operating limits
The operating limits are the following :
Suction pressure
max. 4 bar
Max. operating pressure at delivery
max. 10 bar
Pumping liquid temperature
max. 130 °C
min. –10°C
Performances are described in the technical specification enclosed in the AxFlow order confirmation.
