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3. Characteristics, intended use
Biral circulation pumps of type series
AX 10, AX 12, AX 13, AXW 10, AXW 12, AXW 13
comprise a permanent magnet motor with slotted tube and an integral frequency converter
with constant pressure, proportional pressure and constant speed control.
The pump is used to deliver liquids in:
– hot water heating installations
– enclosed industrial circulation systems
– Drinking water installations (AXW)
3.1 Medium delivered
In heating installations the medium delivered should comply with the requirements of heating
water according to VDI 2035. Water/glycol mixture permissible with up to 50% glycol.
Warning
No combustible or explosive liquids must be
transported. The liquid must not contain any
solid matter, bres or mineral oils.
3.2 Operating temperature/operating pressure
Permissible water temperature: +15°C to +110°C
Permissible operating pressure: max. 10 bar
Ambient temperature: max. 40°C
For application in drinking water:
Permissible water temperature: +15 °C to 85 °C
Permissible degree of water hardness: max. 35 °fH (=20 °dH) (Water temperature less 65 °C)
max. 25 °fH (=14 °dH) (Water temperature less 85 °C)
See chapter 11 for further details.
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