Technical Data | 13
Instruction Manual R5 RA 0165-0305 D_EN_en
39 | 44
RA 0255 D
RA 0305 D
Nominal pumping speed
(50Hz / 60Hz)
m³/h
250 / 300
300 / 360
ACFM
147 / 177
177 / 212
Ultimate pressure
(without gas ballast valve)
hPa (mbar) abs.
0.1 ... 0.5
►
see nameplate (NP)
TORR
0.075 … 0.375
►
see nameplate (NP)
Ultimate pressure
(with gas ballast valve)
hPa (mbar) abs.
0.5 ... 1.0
TORR
0.375 … 0.750
Nominal motor speed
(50Hz / 60Hz)
min
-1
1500 / 1800
RPM
Permitted motor speed range
min
-1
1200 … 1800
RPM
Nominal motor rating
(50Hz / 60Hz)
kW
7.5 / 9.2
8.3 / 10.0
HP
- / 10.0
- / 12.0
Power consumption at 100 mbar –
75 TORR (50Hz / 60Hz)
kW
5.5 / 6.6
6.1 / 7.2
HP
- / 8.8
- / 9.6
Power consumption at ultimate
pressure (50Hz / 60Hz)
kW
4.1 / 4.5
4.7 / 5.1
HP
- / 6.0
- / 6.8
Noise level (ISO 2151)
(50Hz / 60Hz)
dB(A)
72 / 74
74 / 76
Water vapor tolerance max. (with
gas ballast valve) (50Hz / 60Hz)
hPa (mbar)
40 / 100
TORR
- / 75
Water vapor capacity (with gas
ballast valve) (50Hz / 60Hz)
kg / h
8.2 / 9.0
10 / 11.6
Lbs. / h
18 / 19.8
22 / 25.5
Max. allowable pressure in the oil
mist separator
hPa (mbar) abs.
1600
TORR
1200
Max. allowable gas inlet
temperature
°C
≤
50 hPa (mbar) abs.
►
150
°F
≤
37.5 torr
►
302
°C
>
50 hPa (mbar) abs.
►
80
°F
>
37.5 torr
►
176
Ambient temperature range
°C
5 ... 40
°F
41 … 104
Ambient pressure
Atmospheric pressure
Oil capacity
L
6.5
qts.
7.0
Weight approx.
Kg
195
Lbs.
520