
5 Installation at Site
23 of 68
Multitec A SX
3.
If required, install a filter in the piping (see illustration: Filter in the piping).
1
2
Fig. 6:
Filter in the piping
1
Differential pressure gauge
2
Filter
NOTE
Use a filter with laid-in wire mesh (mesh width 0.5 mm, wire diameter 0.25 mm) of
corrosion-resistant material.
Use a filter with a filter area three times the cross-section of the piping.
Conical filters have proved suitable.
4.
Connect the pump nozzles with the piping.
CAUTION
Aggressive flushing and pickling agents
Damage to the pump!
▷
Match the cleaning operation mode and duration for flushing and pickling
service to the casing and seal materials used.
5.4.2 Permissible forces and moments at the pump nozzles
F
x
F
z
F
y
M
y
M
z
M
x
DN
Fig. 7:
Forces and moments at the pump nozzles
Direction of forces
F
X
horizontal, parallel to the pump axis
F
Y
vertical to the pump axis
F
Z
horizontal, at a right angle to the pump axis
Direction of moments
M
X
around the horizontal axis, parallel to the pump axis
M
Y
around the vertical nozzle axis
M
Z
around the horizontal axis, at a right angle to the pump axis
Suction and discharge nozzles must be regarded separately. Refer to the data sheet
for the relevant suction and discharge nozzle diameters.