Application range
● Heating systems controlled by a mixing valve
Recommended application range
● up to 230 kW
● 20 K up to 9980 l/h
Operating data
Max. operating pressure
Max. operating temperature
Kvs value
Differential pressure diagram
6 bar
110 °C
25.7
Technical data
Dimensions
Nominal diameter
Connection generator
Connection consumer
Height
Installation length
Centre distance
Width
Materials
Valves and fittings
Gaskets
Insulation
DN 50 (2")
Flange DN 50 / PN 6
2" int. thread
660 mm
630 mm
180 mm
360 mm
Brass
EPDM
EPP
HeatBloC® K32 DN 50 (2")
without pump - for pumps with flange DN 50/PN6 x 280 mm
51221M
EEI*
< 0.18
< 0.21
< 0.23
< 0.20
< 0.20
= with actuator
with
Item no.
51221MGH12
51221MGL12
51221MWM12
51221MWY9
51051WY9
Grundfos MAGNA3 50-120 F
Grundfos MAGNA1 50-120 F
Wilo Yonos MAXO plus 50/0.5-12
Wilo Yonos MAXO plus 50/0.5-9
Wilo Yonos MAXO plus 50/0.5-9
= conversion to flow left (it.no. 999300)
= with pump
= without pump
*EEI = Energy Efficiency Index
01/2024 • Printed in Germany
PAW GmbH & Co. KG • info@paw.eu • www.paw.eu
129
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