Technical Data | 13
Instruction Manual Supplement DOLPHIN VL Systems_EN_en
31 | 36
VL 0130 A
VL 0170 A
VL 0220 A
Pumping speed (50Hz / 60Hz)*
m³/h
105 / 128
144 / 165
203 / 232
Ultimate pressure (50Hz / 60Hz)*
hPa (mbar)
abs.
33 / 33
Maximum overpressure (50Hz /
60Hz)
bar(g)
0.5 / 0.5
Nominal motor rating IEC (50Hz /
60Hz)
kW
3.0 / 4.0
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
0.86 / 1.15
1.15 / 0.95
0.95 / 1.29
Cooling liquid flow rate – shell and
tube heat exchanger
m
3
/h
1.03-1.13 /
1.34-1.42
1.34-1.65 /
2.10-2.26
1.87-2.10 /
2.53-3.42
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
195 / 218
202 / 246
239 / 264
Weight – Partial recovery (50Hz Eu-
rope / 50 & 60Hz multi-voltage)
kg
196 / 219
203 / 247
241 / 266
Weight – Total recovery, plate heat
exchanger (50Hz Europe / 50 & 60Hz
multi-voltage)
kg
225 / 248
234 / 278
276 / 301
Weight – Total recovery, shell and
tube heat exchanger (50Hz Europe /
50 & 60Hz multi-voltage)
kg
245 / 268
254 / 298
296 / 321
