How Not To Install - ProMinent EXtronic EXBb Operating Instructions Manual

Installation, hydraulic
Avoid exceeding maximum permis‐
sible operating pressure
P_MOZ_0029_SW
Fig. 11
PD
*
P_MOZ_0001_SW
Fig. 12

7.4 How not to install

Fault description
The suction line cannot
be bled.
P_MAZ_0009_SW
Fig. 13
Fault description
Feed chemical flows uncon‐
trolled when the line is filled.
P_MAZ_0010_SW
Fig. 14
24
A relief valve with a return into the storage tank is useful as
n
overload protection for the discharge line, for example install a
ProMinent
Use a pulsation damper to dampen pressure peaks with a
n
metering stroke with long discharge lines or increase the pipe
cross-section.
* Ventilation line with pressure vessels
PD Pulsation damper
Cause
A pocket of air (arrow) is in
the suction line.
Cause
Siphon effect by dis‐
charge line falling too
deeply.
multifunctional valve.
®
Remedy
Prevent the air pocket or install as shown in
Ä 'Avoid exceeding maximum permissible oper‐
ating pressure' on page 24 .
Remedy
Interrupt the discharge line, as in
high suction-side pressure 2' on page 25
Ä 'With