Technical Data | 13
Instruction Manual Supplement DOLPHIN VL Systems_EN_en
29 | 36
13
Technical Data
VL 0100 A
VL 0180 A
VL 0270 A
Pumping speed (50Hz / 60Hz)*
m³/h
82 / 98
144 / 180
220 / 267
Ultimate pressure (50Hz / 60Hz)*
hPa (mbar)
abs.
130 / 130
Maximum overpressure (50Hz /
60Hz)
bar(g)
0.5 / 0.5
Nominal motor rating IEC (50Hz /
60Hz)
kW
2.2 / 3.0
4.0 / 5.5
5.5 / 7.5
Nominal motor speed (50Hz / 60Hz)
min
-1
1450 / 1750
Permitted motor speed range
min
-1
1000 … 1780 (~34 … 60 Hz)
Noise level (EN ISO 2151)
(50Hz / 60Hz)
dB(A)
≤
70 /
≤
71
Design pressure
bar(g)
0.5
Design temperature
°C
120
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
Cooling liquid flow rate – plate heat
exchanger
m
3
/h
0.63 / 0.86
1.15 / 1.58
1.58 / 2.15
Cooling liquid flow rate – shell and
tube heat exchanger
m
3
/h
0.78-1.00 /
1.08-1.30
1.32-1.37 /
2.10-2.16
2.05-2.41 /
3.42-3.67
Maximum cooling liquid pressure
bar(g)
10
Min. operating liquid density
g/cm
3
0.83
Max. operating liquid viscosity
cP
20
Instrument electrical supply
24 VDC
Weight – Once through (50Hz Eu-
rope / 50 & 60Hz multi-voltage)
kg
177 / 185
179 / 223
221 / 247
Weight – Partial recovery (50Hz Eu-
rope / 50 & 60Hz multi-voltage)
kg
179 / 187
181 / 225
224 / 250
Weight – Total recovery, plate heat
exchanger (50Hz Europe / 50 & 60Hz
multi-voltage)
kg
205 / 213
210 / 254
252 / 278
Weight – Total recovery, shell and
tube heat exchanger (50Hz Europe /
50 & 60Hz multi-voltage)
kg
225 / 233
230 / 274
272 / 298
