2
Technical data
2.1 Unit data for pump groups HGM / HGU
Technical properties
Pump group
HGM
HGU
Maximum operating temperature
°C
90
Max. operating pressure
bar
10
IG threaded connections
UNI EN 10226-1
AG threaded connections
UNI ISO 228-1
Pump
Wilo Stratos Para 25 / 1-7 T1
Compatible media
Water, water-Glycol mixture (maximum 30%)
Thermometer measurement range
0-120°C, 30-250°F
Weight
kg
6.9
5.85
Materials
Pump group
HGM
HGU
Ball valve and check valve
Body made of brass:
UNI EN 12164 - CW617N
UNI EN 12164 - CW614N
Hydraulic seals
PTFE, Viton, EPDM
Motorised mixing valve
Body made of brass:
UNI EN 12165 - CW617N
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Turning part made of brass:
UNI EN 12164 - CW614N
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Hydraulic seals
EPDM
Insulation half-shells
Body
EPP
Body, seal
kg/m
3
60
Body, therm. conductivity (20°C)
W/mK
0.039
Body, therm. conductivity (40°C)
W/mK
0.041
7
