10.6.8 Checking the function
Valve stroke
Valve strokes
Total stroke
Lift stroke
Size
C
Double-disk
Valve disk
Inch OD
mm
mm
mm
1.5"
28
2.5
6
2"
35
2.5
6
2.5"
45
2.5
6
3"
45
2.5
6
4"
45
2.5
6
--
65
2.5
6
6"
65
2.5
6
10.6.8.1 Checking the valve stroke
Carry out the following steps:
1.
Control the lift stroke via the manual actuator (Y1).
2.
Check the stroke of the valve (c) in accordance with the table ‘Valve stroke’.
®
Stroke has been checked.
Hint!
When strokes are correct, it is possible to make adjustments or set the
feedback. See and the relevant operating instructions of the respective
control top.
10.6.8.2 Check the lift stroke
Carry out the following steps:
1.
Control the lift strokes via a manual actuator (Y2) and (Y3).
2.
Check the lift strokes according to table ‘Valve stroke’.
®
Stroke has been checked.
Hint!
When strokes are correct, it is possible to make adjustments or set the
feedback. See and the relevant operating instructions of the respective
control top.
10.7
Maintenance
10.7.1 Cleaning the valve
Maintenance
Maintenance
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17.04.2023
Содержание VARIVENT 24/7 PMO
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