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5.3
Technical data
Property
Pipe connections
Permissible min./max. fluid temperature
Ambient temperature max.
Permissible humidity
Max. admissible operating pressure
Max. admissible suction pressure
Suction Head
Approved fluids
Permissible chloride content of fluid
Viscosity of fluid
pH values of fluid
Permissible solid grain size in medium
Motor efficiency
Protection class
Insulation class
Electrical connection
Voltage tolerance
Section of the power cable
(cable with 4 wires)
Acoustic pressure level
Fluids
5.4
Scope of delivery
5.5
Accessories
22
Value
BAC 40.../S: Nominal diameter G2/G
1½ or Victaulic connec-
tions
BAC 40.../R: 60.3/48.3 mm
BAC 70.../R: 76.1/76.1 mm
-15 °C to +60 °C
+40 °C
< 95 %, non-condensing
6,5 bar
4,0 bar
depends on NPSH value of the pump
Cooling/cold water
Water/glycol mixture up to 40 % vol.
Heating water according to VDI 2035
Other fluids on request
Cl <150 mg/l
1 cSt bis 50 cSt
6 bis 8
Ø max. 0,5 mm
IE2 for 3-phase motor according to
IEC 60034-30
IP 55
F
Electrical voltage and frequency see
rating plate of motor
±10%
2
0,75/1,1 kW:
1,5 mm
- 2,5 mm
2
1,5/2,2/3/4 kW: 2,5 mm
- 4,0 mm
68 dB(A)
When ordering spare parts be sure to state all the information given
on the pump and motor type plates.
If water/glycol mixtures are used (or fluids with a viscosity other than
that of pure water), an increase in power consumption of the pump is
to be taken into account. Only use mixtures with corrosion inhibitors.
The respective manufacturer's instructions are to be observed.
• The fluid must be sediment-free.
• Wilo's approval must be obtained for use of other media.
• Mixtures with a proportion of glycol of > 10 % influence the Δp-v
pump curve and the flow calculation.
NOTE
Always read and follow the material safety data sheet for the fluid
being pumped!
• Pump BAC
• Installation and operating instructions
Accessories must be ordered separately:
• Suction kits
• Isolating valves
• Non-return valves
• Foot valve for strainer
Remarks
Heating water up to +60 °C
2
2
Value at 50 Hz
WILO SE 11/2013
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