Liquid pulsation damper
Servicing
KNF Flodos BA_FPD_EN_04_069182
Translation of Original Operating and Installation Instructions
13
Preparatory steps
On decommissioning, the entire installation as well as the
1.
liquid pulsation damper must be flushed with a neutral liquid
and then emptied.
It is possible to remove the hoses from the liquid pulsation
2.
damper but it is not imperative to do so.
Dismantling the upper section
7.3.
Undo the four or six screws (
8
) and remove the entire upper
1.
section.
Changing the separating diaphragm
Remove the separating diaphragm (
5
).
2.
Check the position of the auxiliary diaphragm (
6
).
3.
Carefully insert the new separating diaphragm (
5
).
4.
Changing the auxiliary diaphragm
Remove the auxiliary diaphragm (
6
).
5.
Check the position of the O-ring (
4
) and the sealing cord (
3
).
6.
Carefully insert the new auxiliary diaphragm (
6
).
7.
Changing the O-ring
7.4.
Remove the old O-ring (
4
).
1.
Insert the new O-ring (
4
) in its groove.
2.
Changing the sealing cord
7.5.
Remove the old sealing cord (
3
).
1.
Insert the new sealing cord (
3
) in its groove.
2.
Changing the damping elements
7.6.
Remove the old damping elements (
7
).
1.
Insert the new damping elements (
7
).
2.
Depending on the type of liquid pulsation damper, the ele-
3.
ments will protrude from the recess edges. This pre-tensions
the damping elements during assembly.
Mounting the upper section
7.7.
Place the upper section (
1
) carefully on top of the lower sec-
1.
tion (
2
).
Alternately tighten the four or six screws (
8
).
2.
Remount the dismantled hoses on the upper section of the
3.
liquid pulsation damper.
Fig. 3
1
Upper section
2
Lower section
3
Sealing cord
4
O-ring
5
Separating diaphragm
6
Auxiliary diaphragm
7
Damping element
8
Screws
9
Protective plug
