Control Functions Of The Valves; Flow Characteristic Curves - Burkert 0258 Instructions De Service

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Control functions of the valves

Control function I
A
M
Control function E
M
A B
Control function F
A
M
P

Flow characteristic curves

1)
The flow characteristic curves for the Kv set-values of 3 m
shown in the following diagrams. The Kv set-value of 1 m
Flow characteristic curves
Potentiometer
1 ) Flow: Kv value water [m³/h], measurement at +20 °C, 1 bar
port.
2 )
only Mod drive type
3 ) in relation to the total stroke of the potentiometer = 100 %
4 ) Pressure quoted in [bar]: over-pressure with regard to atmospheric pressure
2-way valve for continuous control of the flow rate in
outlet port A,
motor-driven, holds position with no power
P
P
3-way valve for continuous mixing of the incoming flows A
and B to the port P,
motor-driven, holds position with no power
B 3-way valve for continuous distribution of the incoming
flow P to the outlet ports A and B,
motor-driven, holds position with no power
2)
Kv-Sollwert = 3 m
3) [%]
3
and 6 m
3
is being prepared.
3
3 ) pressure at valve inlet port and free outlet
3
are
0258 - 7