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3. Another technique is to install an air detection sensor in the suction port area, so that the auto valve is
automatically opened by a signal sent out from the sensor and the air elimination operation is initiated.
5 INSTALLATION, PIPING & WIRING
5.1 Installation
1. Pump installation position
• In case of flooded suction system, set the pump as close to
the liquid supply tank as possible.
A flooded suction system is recommended for fluid
recirculation or transfer applications above room
temperature.
Figure 8
• In case of suction lift system, set the suction side piping in accordance with the self- priming capacity
and as close to the liquid supply tank as possible. (See Page 5)
2. Installation foundation
Select a flat and level rigid foundation (such as a chassis) for installation.
3. Direction of pump
• FH-40 & FA-40 pump designs are vertical with suction and discharge ports 180 degrees apart on
center of pump head.
• FA-2 pumps are mounted horizontally, ideally with discharge vertical and suction 180° apart. The
pump may be mounted with suction and discharge in the horizontal plane.
• All other pump designs, FF, FF-H and FZ 10 & 20 liter models, are horizontal. Direct the
discharge port vertically and the suction port horizontally. Anchor the pump base to the
foundation securely with appropriate fasteners.
*Note: The self-priming capacity of F series pumps is based on a pump operating at maximum speed using
pure water at room temperature. The suction lift capacity differs with liquid characteristics, temperature,
suction piping configuration and pump model. For detailed information, contact Iwaki America.
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SUCTIO
N
LIFT
SYSTEM
FLOODED
SUCTION
SYSTEM