12 | Technical Data
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Instruction Manual COBRA NC 2500 B WCV_EN_en
12 Technical Data
NC 2500 B
Pumping speed
(50Hz / 60Hz)
m³/h
2000 / 2500
Ultimate pressure
(50Hz / 60Hz)
hPa (mbar) abs.
≤
1.0
Nominal motor rating
(50Hz / 60Hz)
kW
55 / 63
Nominal motor speed
(50Hz / 60Hz)
min
-1
3000 / 3600
Noise level (EN ISO 2151)
(50Hz / 60Hz)
dB(A)
≤
82 /
≤
84
Ambient temperature range
°C
-20 … +50
Max. allowable counter pressure at the
discharge
hPa (mbar)
200
Max. allowable gas inlet temperature
°C
≤
50 hPa (mbar)
►
200
>
50 hPa (mbar)
►
70
Relative humidity
at 30 °C
90%
Ambient pressure
Atmospheric pressure
Cooling water requirements
See
Oil capacity - motor side
l
3.5
Oil capacity - suction side
l
1.0
Cooling liquid capacity approx.
l
45
Weight approx.
kg
2000
13 Cooling Liquid
Zitrec M-25 (ready-to-use)
Part number 5 L packaging
0831 563 469
Part number 20 L packaging
0831 238 761
The cooling liquid Zitrec M-25 is ready-to-use and does not require additional water.
For further information, consult the website
.
14 Oil
VE 101
ISO-VG
100
Part number 1 L packaging
0831 000 099
Part number 5 L packaging
0831 000 100