Technical Data | 13
Instruction Manual DOLPHIN LG 0890-2680 A, LR 0700-2200 A_EN_en
33 | 40
LG 1910 A
LG 2680 A
Nominal pumping speed
range
m³/h
11550 / 19100
16160 / 26800
Ultimate pressure
hPa
(mbar)
abs.
160
Maximum overpressure
bar(g)
0.2 (consult Busch for pressures outside this range)
Nominal motor rating
kW
220 / 280 / 315 / 355 /
450 / 500
315 / 355 / 400 / 500 /
560 / 650
Nominal pump running
speed
min
-1
236 / 266 / 298 / 330 /
372 / 398
197 / 210 / 236 / 266 /
298 / 330
Noise level (EN ISO 2151)
dB(A)
<
85
Vibration velocity – unfiltered
(RMS)
mm/s (in/
s)
≤
4.5 (
≤
0.18)
Max. allowable gas inlet tem-
perature
°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 require-
ments (once through opera-
tion only)
Weight without motor (bare
shaft machine) - cast iron /
full stainless steel
kg
8930 / 9560
12750 / 13650
Dimensions (bare shaft ma-
chine) – L x W x H
mm
2732 x 1785 x 2560
3191 x 2065 x 2965