10.14
Checking the Feedback Unit
After completing maintenance work, check the function of the feedback unit and
readjust it if necessary.
10.14.1 Setting the Feedback Unit
Carry out the following steps:
1.
Set the initiator for detection of the rest position.
2.
Actuate the valve with compressed air.
®
For information on air connections see Section 6.4, Page 26.
If provided, adjust the initiator for the actuated position. For reference
regarding the stroke to be expected see the “Valve Stroke“ table
Section 10.14.2, Page 62.
®
The feedback unit has been set.
Hint!
If a control head is present, the information given in the corresponding
instruction manual must be observed.
10.14.2 Valve Stroke
Strokes depending on the size (basic, theoretical values on drawing)
Size
Valve stroke [mm]
AZ
Seat B
Side valve
DN25 / 1"OD
16
1
4.7
DN40 / 1½"OD
20
1.5
4.7
DN50 / 2"OD
25
1.5
4.7
DN65 / 2½"OD
25
1.5
4.2
DN80 / 3"OD
25
1.5
6.7
Maintenance
Checking the Feedback Unit
430BAL012841EN_1
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07.03.2018
Summary of Contents for Aseptomag ADV
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