12 | Technical Data
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Instruction Manual Supplement DOLPHIN VL Systems ATEX_EN_en
VL 0630 A
VL 0750 A
Pumping speed (50Hz / 60Hz)*
m³/h
500 / 578
617 / 710
Ultimate pressure (50Hz / 60Hz)*
hPa (mbar)
abs.
33 / 33
Maximum overpressure (50Hz / 60Hz)
bar(g)
0.3 / 0.3
Nominal motor rating IEC (50Hz / 60Hz)
kW
15.0 / 22.0
18.5 / 30.0
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)
≤
75 /
≤
76
Design pressure
bar(g)
0.5
Design temperature
°C
120
Max. allowable gas inlet temperature
°C
80
Ambient temperature range
°C
5 … 40
Relative humidity
at 30 °C
90%
Ambient pressure
Atmospheric pressure
Cooling liquid flow rate – plate heat ex-
changer
m
3
/h
2.58 / 3.61
3.18 / 4.5
Cooling liquid flow rate – shell and tube
heat exchanger
m
3
/h
4.44 / 6.12
5.16 / 7.86
Maximum cooling liquid pressure
bar(g)
10
Min. operating liquid density
kg/m
3
850
Max. operating liquid viscosity
cP
20
Instrument electrical supply
24 VDC
Weight – Once through (50Hz)
kg
662
729
Weight – Partial recovery (50Hz)
kg
665
733
Weight – Total recovery, plate heat ex-
changer (50Hz)
kg
701
774
Weight – Total recovery, shell and tube
heat exchanger (50Hz)
kg
729
802
* Pumping speed and ultimate pressure based on 12°C cooling liquid temperature and water as the operating liq-
uid. Higher cooling liquid and so operating liquid temperatures will reduce the pumping speed and increase the ul-
timate pressure that can be achieved.
Summary of Contents for DOLPHIN VL 0100 A
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