13 | Technical Data
30 | 36
Instruction Manual Supplement DOLPHIN VL Systems_EN_en
VL 0530 A
VL 0800 A
Pumping speed (50Hz / 60Hz)*
m³/h
440 / 556
722 / 867
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
11.0 / 15.0
18.5 / 22.0
Nominal motor speed (50Hz / 60Hz)
min
-1
1450 / 1750
Permitted motor speed range
min
-1
1000 … 1780
(~34 … 60 Hz)
1000 … 1780
(~34 … 60 Hz)
Noise level (EN ISO 2151)
(50Hz / 60Hz)
dB(A)
≤
72 /
≤
73
≤
75 /
≤
76
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
1.89 / 2.92
2.58 / 4.3
Cooling liquid flow rate – shell and
tube heat exchanger
m
3
/h
3.06-3.81 /
4.68-4.91
4.44-5.88 /
8.22-9.12
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
397 / 444
461 / 508
Weight – Partial recovery (50Hz Eu-
rope / 50 & 60Hz multi-voltage)
kg
418 / 465
486 / 533
Weight – Total recovery, plate heat
exchanger (50Hz Europe / 50 & 60Hz
multi-voltage)
kg
458 / 505
524 / 571
Weight – Total recovery, shell and
tube heat exchanger (50Hz Europe /
50 & 60Hz multi-voltage)
kg
486 / 533
552 / 599
