13 | Technical Data
32 | 36
Instruction Manual Supplement DOLPHIN VL Systems_EN_en
VL 0320 A
VL 0430 A
VL 0510 A
Pumping speed (50Hz / 60Hz)*
m³/h
265 / 320
361 / 426
430 / 510
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
7.5 / 11.0
11.0 / 15.0
11.0 / 15.0
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)
≤
72 /
≤
73
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 / 2.24
1.89 / 2.92
2.58 / 2.92
Cooling liquid flow rate – shell and
tube heat exchanger
m
3
/h
2.53-2.58 /
3.47-3.60
3.06-3.36 /
4.78-5.22
4.16-4.38 /
5.22-5.85
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
364 / 432
415 / 462
429 / 477
Weight – Partial recovery (50Hz Eu-
rope / 50 & 60Hz multi-voltage)
kg
384 / 452
435 / 482
449 / 497
Weight – Total recovery, plate heat
exchanger (50Hz Europe / 50 & 60Hz
multi-voltage)
kg
412 / 480
477 / 524
491 / 539
Weight – Total recovery, shell and
tube heat exchanger (50Hz Europe /
50 & 60Hz multi-voltage)
kg
440 / 508
495 / 552
519 / 567
