13 | Technical Data
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Instruction Manual COBRA NF 0750 A - NF 0950 A WCV_EN_en
13
Technical Data
NF 0750 A
NF 0950 A
Pumping speed
(with inlet G3 or ISO DN100) *
m³/h
750
950
ACFM
441
560
Ultimate pressure
(without gas ballast)
hPa (mbar) abs.
≤
0.05
≤
0.01
TORR
≤
0.0375
≤
0.0075
Ultimate pressure
(with gas ballast)
hPa (mbar) abs.
≤
0.10
≤
0.05
TORR
≤
0.075
≤
0.0375
Nominal motor rating
kW
15
18.5
HP
20
25
Nominal motor speed
min
-1
3600 (60Hz)
4320 (72Hz)
RPM
Noise level (ISO 2151)
dB(A)
≤
66
≤
69
Ambient temperature range
°C
5 … 40
°F
41 … 104
Max. allowable counter pressure at
the discharge
hPa (mbar) rel.
200
TORR
150
Max. allowable gas inlet tempera-
ture according to the inlet pressure
°C
≤
50 hPa (mbar) abs.
►
200
>
50 hPa (mbar) abs.
►
70
°F
≤
37.5 TORR
►
392
>
37.5 TORR
►
158
Relative humidity
at 30 °C
at 86 °F
90%
Cooling water requirements
See
Oil capacity - motor side
L
1
qts.
1.05
Oil capacity - suction side
L
1
qts.
1.05
Weight approx.
Kg
900
Lbs.
1765
* Performance could be reduced by using 2 x G2 inlet flange or inlet filter.
