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36
WILO SE 08/2016
5.2
Technical data
Property
Value
Remarks
Rated speed
50 Hz version
• IL/BL (2-/4-pole):
2900/1450 rpm
Depending on pump type
60 Hz version
• IL/BL (2-/4-pole):
3480/1750 rpm
Depending on pump type
Nominal diameters DN
IL: 32 to 200 mm
BL: 32 to 150 mm (pressure side)
Pipe and pressure measurement connections
PN 16 flange in accordance with
DIN EN 1092-2
with pressure measurement connec-
tions Rp 1/8 in accordance with
DIN 3858.
Partially flange PN 25, depending on the
pump type
Permissible min./max. fluid temperature
-20 °C to +140 °C
Depending on fluid
Min./max permissible ambient temperature
0 to 40 °C
Lower or higher ambient
temperatures on request
Storage temperature min./max.
-20 °C to +60 °C
Maximum permitted operating pressure
16 bar (version...-P4: 25 bar)
Version...-P4 (25 bar) as
special version at additional
charge (availability depends
on the pump type)
Insulation class
F
Protection class
IP55
Approved fluids
Heating water according to VDI 2035
Process water
Cooling/cold water
Water-glycol mixtures up to 40 vol.-%
Standard version
Standard version
Standard version
Standard version
Heat transfer oil
Special version or auxiliary
equipment (at additional
charge)
Other media upon request
Special version or auxiliary
equipment (at additional
charge)
Electrical connection
3~ 400 V, 50 Hz
Standard version
3~ 230 V, 50 Hz
(up to 3 kW inclusive)
Alternative application for
standard version (no
additional charge)
3~ 230 V, 50 Hz
(from 4 kW)
Special version or auxiliary
equipment (at additional
charge)
3~ 380 V, 60 Hz
partially standard version
Special voltage/frequency
Pumps with motors with different volt-
ages or with other frequencies are avail-
able on request
Special version or auxiliary
equipment (at additional
charge)
PTC thermistor sensor
standard version from 75 kW
Speed control, pole switchover
Wilo control devices
(e.g. Wilo-CC/SC-HVAC-System)
Standard version
Pole switchover
Special version or auxiliary
equipment (at additional
charge)
Table 1: Technical data
Summary of Contents for CronoBloc BL Series
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