Technical Data | 13
Instruction Manual COBRA NX 0450-0650 A WCV_EN_en
35 | 40
13
Technical Data
NX 0450 A
NX 0650 A
Pumping speed (50Hz / 60Hz)
m³/h
350 / 420
650 / 650
Ultimate pressure
(without gas ballast)
hPa (mbar) abs.
≤
0.1
Ultimate pressure (50Hz / 60Hz)
(with gas ballast)
hPa (mbar) abs.
≤
0.5 /
≤
0.1
≤
0.5 /
≤
0.5
Nominal motor rating
(50Hz / 60Hz)
kW
7.5 / 9.5
12.5 / 15
Nominal motor speed
(50Hz / 60Hz)
min
-1
3000 / 3600
Noise level (ISO 2151)
(50Hz / 60Hz)
dB(A)
≤
65 /
≤
70
≤
71 /
≤
75
Ambient temperature range
°C
5 … 50
Max. allowable counter pressure at
the discharge
hPa (mbar) rel.
200
Max. allowable gas inlet tempera-
ture according to the inlet pressure
°C
≤
50 hPa (mbar) abs.
►
200
>
50 hPa (mbar) abs.
►
70
Relative humidity
at 30 °C
90%
Ambient pressure
Atmospheric pressure
Cooling water requirements
Oil capacity - motor side
L
0.65
1
Oil capacity - suction side
L
0.55
1
Weight approx.
kg
600
800
