Technical Data | 12
0870237638_LR0110-0580A_-_IM_en
27 / 32
LR 0420 A
LR 0580 A
Nominal pumping speed range (Dry
air)
m³/h
2250 / 3830
2900 / 5300
Ultimate pressure
hPa (mbar)
abs.
33
Maximum overpressure
bar(g)
0.2 (consult Busch for pressures outside this range)
Nominal motor rating
kW
55 / 75 / 110 / 132
75 / 110 / 132 / 185
Nominal pump running speed
min
-1
500 / 590 / 740 / 790
372 / 472 / 530 / 660
Noise level (EN ISO 2151)
dB(A)
<
85
Vibration velocity – unfiltered
(RMS)
mm/s (in/s)
≤
4.5 (
≤
0.18)
Max. allowable gas inlet tempera-
ture
°C
Gas dry
►
120
Gas saturated
►
100
Ambient temperature range
°C
5 … 40
Relative humidity
at 30 °C
90%
Ambient pressure
Atmospheric pressure
Operating liquid requirements
(once through operation only)
See Operating Liquid Settings
Weight without motor (bare shaft
machine) - cast iron / full stainless
steel
kg
1572 / 1667
2233 / 2367
Dimensions (bare shaft machine) –
L x W x H
mm
1580 x 1010 x 1360
1745 x 1160 x 1570