27
PUMP GROUP, MIXED DN 25 WITH WEATHER-COMPENSATED ACTUATOR
DIMENSIONS
Centre distance 125 mm
Width insulation 250 mm
Height insulation 385 mm
Installation length 340 mm
CONNECTIONS
Consumer (flow / return) 1" int. thread
Heat generator (flow / return) 1½" ext. thread
TECHNICAL DATA
Opening pressure check valve (D-1) 19.6 mbars, can be opened
Opening pressure non-return valve (C-3) 4.9 mbars, can be opened
HYDRAULICS
Maximum pressure 6 bars
Maximum temperature 110 °C
K
VS
value [m
3
/h] 5.0
MATERIALS
Valves and fittings Brass
Gaskets EPDM
Insulation EPP
5 TECHNICAL DATA
Pressure [mbars]
Pressure [kPa]
Flow rate [l/h]
5.1 DIFFERENTIAL PRESSURE
DIAGRAM