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9
3.3 Packaging
Packaging material is to be disposed of
environmentally friendly.
4 Technical data
4.1 Performance data
Size:
DN25
Max. operating pressure p
s
: 16 bar (PN 16)
Connections
G 1 ¼ male thread
Fluid:
Heating water
Fluid: Non-aggressive fluids (e.g. water and suitable
water and glycol mixtures according to VDI 2035). Not
suitable for steam, oily and aggressive fluids.
Actuator:
see actuator
instructions
4.2 Materials
Valves and fittings
Bronze
Angle pattern adapter PA66
Seals
AFM34
4.3 Pressure loss
Pressure loss ∆p [mbar]
Pressure loss ∆p [Pascal]
Flow rate q
m
[kg/h]
k
VS
- and Zeta values:
DN
k
VS
Zeta
25
6.5
21
5 Construction and function
5.1 Summary
Illustr. 5.1 Loading high temperature section
Illustr. 5.2 Loading low temperature section
Zeta values related to the inner pipe diameter
according to DIN EN 10255.
k
VS
values in m³/h at ∆p 1 bar.
5.2 Functional description
The extension set serves the connection of a boiler
and the targeted loading of a buffer storage cylinder.
Layering is possible in different sections of the buffer
storage cylinder.
In the upper section (high temperature section) for hot
potable water preparation or in the central section (low
temperature section) for heating circuit supply. The
water returned by the terminal units is stored in the
lower section (cold section).
Illustr. 4.1 Performance data
Tri-D-TR
R13
Tri-M-TR
R13
A
B
AB
Heat
generator
Heat
generator
Tri-D-TR
R13
Tri-M-TR
R13
AB
B
A