H
e
a
t
B
l
o
C
®
K
3
8
D
N
2
5
(
1
"
)
Technical data
HeatBloC® K38 DN 25 (1")
Dimensions
Nominal diameter
Connection generator
Connection consumer
Height
Installation length
Centre distance
Width
Materials
Valves and fittings
Gaskets
Insulation
DN 25 (1")
1
1⁄2" ext. thread, flat sealing
1" int. thread
383 mm
340 mm
125 mm
250 mm
Brass
EPDM
EPP
Application range
● Heating system controlled by a mixing valve in combination with a boiler
temperature maintenance
Recommended application range
● up to 33 kW
● 20 K up to 1400 l/h
Operating data
Max. operating pressure
Max. operating temperature
Kvs value
Differential pressure diagram
6 bar
110 °C
4.1
EEI*
< 0.17
< 0.20
< 0.23
< 0.20
< 0.20
< 0.20
< 0.17
< 0.20
< 0.23
< 0.20
< 0.20
< 0.20
with
Item no.
36083MGH6
36083MGM6
36083MGL9
36083MWP6
36083MWP8
36083MWN06
36083M
36083GH6
36083GM6
36083GL9
36083WP6
36083WP8
36083WN06
36083
102
= with pump
Grundfos ALPHA2.1 25-60
Grundfos UPM3 Auto L 25-70
Grundfos UPML 25-105 AUTO
Wilo Para SC 25/6-43
Wilo Para SC 25/8-60/O
Wilo Yonos PICO 25/1-6
without pump - for pumps with 1
1⁄2" ext. thread x 180 mm
Grundfos ALPHA2.1 25-60
Grundfos UPM3 Auto L 25-70
Grundfos UPML 25-105 AUTO
Wilo Para 25/6-43
Wilo Para 25/8-60/O
Wilo Yonos PICO 25/1-6
without pump - for pumps with 1
1⁄2" ext. thread x 180 mm
= without pump
= with actuator
*EEI = Energy Efficiency Index
01/2024 • Printed in Germany
PAW GmbH & Co. KG • info@paw.eu • www.paw.eu