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NT 1004-C00 03 18 SLC12 i - SLC18 i - SLC12 i HT - SLC18 i HT e
Pipe alignment and supporting
Pump must not support piping nor endure stress resul-
ting from piping weight or dilatation effects. For latters,
expansion loops should be included.
Pipe equipment
• Place valves close to the pump to avoid draining pipe
during maintenance operations. Preferably select full
bore ball or butterfly valves.
Pressure connections on pump suction and discharge
are recommended for settings and controls.
Make sure piping, vessels valves and other installation
devices are carefully cleaned before mounting.
• MOUVEX pumps are self priming. However, if line
emptying should be avoided and/or if suction lift is high,
a foot valve can be added.
• If pumped liquid presents a risk of in pipe solidification
and potential dilatation, low points on the pipe should
be avoided or equipped with drain valve.
• If installation is heated, it must be designed so that fluid
dilatation can evacuate through piping. Therefore fluid
contained in piping must be heated before fluid contained
in the pump. Also check that a heated pump is not iso-
lated by closed valves.
The SL Series pump is a selfpriming volumetric PD
pump. Therefore, the pump must not run on a circuit with a
closed valve. This is valid both for the suction circuit and
for the discharge circuit.
2.2 Orientation of the pump ports
The suction and discharge ports may be oriented in
various positions.
If the ports positions needs to be changed at any time,
see the corresponding paragraph.
2.3 Direction of rotation
When looking at the shaft, the rotation will be clockwise.
When looking at the front cover, the direction of rotation
will be anti-clockwise. An arrow situated on the bearing
housing indicates the correct direction of rotation.
Verification of the correct rotation direction :
Turn the pump the wrong way is not dangerous for the pump.
NOTICE
SL-Series pumps remains drainable whatever
position is chosen for the inlet port, but the
outlet port must be at the bottom (position 4)
to keep the self-draining capability.
L
=
10
x
D
m
ini
mum
R
=
3
x
D
m
ini
mum
2. INSTALLATION (continued)
