Samson TROVIS 3730-3 Mounting And Operating Instructions page 76

Mounting and start-up
For tight-closing valves, the maximum signal
pressure pst is roughly estimated as fol-
max
lows:
d² · π · ∆p
pst = F +
max
4 · A
d = Seat diameter [cm]
∆p = Differential pressure across the valve
[bar]
A = Actuator area [cm²]
F = Upper bench range value of the actuator
[bar]
If there are no specifications, calculate as
follows:
Î Required supply pressure = Upper bench
range value + 1 bar
76
[bar]
EB 8484-3 EN