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HKF25-IM-DE-W-UK-11-2020-Rev.0 | Part no. 10027337
3 Technical data
Hydraulic performance data
Max. operating pressure
6 bar
Ambient temperature
-2 °C to +40 °C (
observe pump specification!
)
Operating temperature
+2 °C to +90 °C (
observe pump specification!
)
Opening pressure of gravity brake
10 mbar
Kvs mixing valve
4,5
Temperature display area
0 - 120 °C
Temperature setting area
20-43 °C / 20-55 °C / 30-70
°C (
depending on type of thermostatic mixing valve
)
Media
Water / water-glycol mixtures according to VDI 2035/ÖNORM H 5195
Electrical connection
Power supply
See separate pump documentation!
Dimensions
Width x height x depth with EPP shell
300 x 370 x 240 mm
Axis center distance
125 mm
Sealing surfaces distance
342,5 mm
Connections to pipe network
Heating circuit (top)
11/2" AG male connection; flat sealing. Fitting 11/2" Union nut x 1" IG female connection
Boiler circuit (bottom)
11/2" male connection; flat sealing
Tightening torques for screwed connections
3/4"
35 Nm
1"
55 Nm
11/4"
90 Nm
11/2"
130 Nm
Material
Fittings
brass CW617N
Pipes
galvanized steel Ø48 mm
Plastics
impact resistant and temperature resistant
Flat seals
AFM 34/2
Bypass pipe
brass CW617N
Gravity brake
POM. NBR. stainless steel
O-rings
EPDM
Insulation
EPP
Wall bracket
Galvanized steel sheet
Circulation pump
The technical data on the circulating pumps can be found in the respective pump documentation.