ProMinent Sigma / 2 Basic Type SBKa Operating Instructions Manual page 16

Assembly
Liquid end alignment
Fastening
m
m
P_MOZ_0015_SW
Fig. 11
16
Capacity too low
The liquid end valves cannot close correctly if they are not
upright.
–
Capacity too low
Vibrations can disrupt the liquid end valves.
–
Take the dimensions (m) for the fastening holes from the appropriate
dimensional drawings or data sheets.
DN
Fix the pump base to the base with suitable screws.
Ensure that the discharge valve is upright.
Secure the metering pump so that no vibrations can
occur.