Valve sizing calculator
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Simple calculation
Extended calculation and choice of actuator
Step 1. Simple Kv calculation
help
Flow:
l/s
l/h
m
³
/h
Pressure drop:
kPa
Bar
Step 1. Calculation of Kv and choice of actuator
help
Calculation of Kv
via the
flow
Calculation of Kv via the
dimensioned effect
and
differential temperature
Flow:
l/s
l/h
m
³
/h
Dimensioned effect
[kW]:
Differential temperature
across the control object
[°C]:
Media:
Water
Glycol-mixed water
Pressure drop:
kPa
Bar
Select the valve with the
nearest higher
pressure drop
Note: May lead to incorrect
valve selection.
Options
Find
a suitable valve actuator
Supply voltage:
24 V AC
230 V AC
24 V DC
Control signal:
0...10 V DC
3-position
On/off, normally open
On/off, normally closed
Choose connection
Connection:
Internally threaded
Externally threaded
Flanged according to DIN
Flanged
This option will only affect the
choice of valve when selecting
"Application" in step 2.
Calculate valve authority from the choice of valve
Total pressure drop in the system:
kPa
Bar
Step 2. Choice of valve
Saved items
Application:
';
District heating
District cooling
Cooling system/2-way valve
Cooling system/3-way valve
Heating system/2-way valve
Heating system/3-way valve
Fan-coil
Underfloor heating
Domestic hot water
OR
Valve range:
BF2
BF3
BTV
BV2
BV3
CTV
ETRS
ETVS
FRS
GF2
GF3
MTRS
MTVS
NTVS
VTTB
VTTR
VTTV
ZMD2
ZMD3
ZTR
ZTV