Siemens VBI60.25-9L Руководство - Страница 3

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Siemens VBI60.25-9L Руководство
Sizing
Flow diagram:
400
300
200
---
Δp
max
Δp
v100
100
100 kPa
3
1 m
/h
Siemens
Smart Infrastructure
Δp
for VAI60.. and VBI60.., for details, see table on equipment
max
combinations
= Maximum permissible differential pressure over the ball valve, valid for the
entire positioning range of the ball valve rotary actuator unit; if low noise
operation is desired, we recommend a maximum permissible differential
pressure of 200 kPa
= Differential pressure over the fully opened ball valve and over the control
path at a volume flow V
= Volume flow through the fully opened ball valve
= 1 bar ≈ 10 mWS
= 0.278 l/s water at 20 °C
100
111
83
55,6
3
CE1N4213en
2020-02-20