ProMinent Sigma/3 Basic S3Ba Series - Page 30

When operating the integral relief valve close to the opening
pressure, a minimal overflow into the overflow line can occur.
Only adjust the stroke length when the pump is running. This
is easier and also better for the pump.
20 0
0
50
25
75
5
75%
0
5
0
25
10
30%
P_SI_0095_SW
Fig. 19: Adjusting the stroke length
n 100 % = 4 rotations
n 25 % = 1 rotation
n 0.5 % = 1 scale mark on stroke adjustment dial
Adjusting the stroke length
Start up
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