Siemens VBG61 Series Handmatig - Pagina 4

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Siemens VBG61 Series Handmatig
Ball valve characteristic curve
Through-port
Flow rate k
Flow characteristics
0...100 %
3-port
Flow rate k
Through-port
0...100 %
Bypass
0...100 %
4
Siemens
Smart Infrastructure
/ k
v
vs
1
0,8
0,6
0,4
0,2
0
0
20
40
Rotational angle
-> A ─ AB equal percentage, n
/ k
v
vs
1
0,8
0,6
0,4
0,2
0
0
20
40
Rotational angle
-> A ─ AB equal percentage, n
-> B ─ AB linear, k
vs
60
80 90°
= 3.9 per VDI / VDE 2173
gl
60
80 90°
= 3.9 per VDI / VDE 2173
gl
greater than 70 % of A ─ AB
N4212en
2019-06-04