Siemens VBI60.25-9L Руководство - Страница 10
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Mounting position
Pipe connection
Avoid leakage:
●
Install fittings as per ISO 7-1. Ball valves (internal threading) = "Rp";
Piping (external threading) = "R".
●
Do not use too much hemp or PTFE tape.
●
Do not tighten pipe threading to the very end.
●
Place the pliers/wrench on the ball valve union nut that is closer to the pipe to be
tightened or loosened.
Flow direction
Make sure that the valve is mounted in the proper flow direction. A symbol is applied to the
ball valve body:
Ball valve
VAI60..
2-port shutoff ball
valve
VBI60..L
3-port
changeover ball
valve with L
shaped
VBI60..T
3-port
changeover ball
valve with T
shaped
10
Siemens
Smart Infrastructure
VAI60..
VAI60..
Laser marking
Position as delivered
-
A – AB = 100 %
A
B – AB (AB – B) = 100 %
A
AB
B
A – AB = 100 %
B – AB = 0 %
VBI60..
A
AB
4213Z01
AB
4213Z03
B
A
AB
4214Z27
B
VBI60..
90 ° turned (clockwise)
A
AB
4213Z02
A – AB = 0 %
A
AB
A
4213Z04
B
A – B (B – A) = 100 %
A
AB
4214Z28
B
A – AB = 0 %
B – AB = 100 %
CE1N4213en
2020-02-20