Parts
Position Denomination Description
1 Shaft The shaft is made of stainless steel with an integrated rotor.
2 Impeller There are multiple types of impellers. For information about the pumps
impellers, see Parts List.
3 Mechanical seals One inner and one outer seal in a combination of materials:
• Aluminium oxide Al
2
O
3
• Silicon carbide RSiC
• Corrosion-resistant cemented carbide WCCR
For information about the pumps mechanical seals, see Parts List.
4 Oil housing The oil housing includes a coolant that lubricates and cools the seals; the
housing acts as a buffer between the pumped fluid and the drive unit.
5 Main bearing The bearing consisting of a two-row angular contact ball bearing.
6 Motor
For information about the motor, see Technical Reference on page
71.
7 Stator housing The pump is cooled by the ambient liquid/air.
8 Support bearing The bearing consisting of a single-row ball bearing.
3.2 Sensors and monitoring equipment
The following applies to the monitoring equipment of the pump:
•
The stator incorporates three thermal contacts connected in series that activate the
alarm and stops the pump at overtemperature
• The thermal contacts open at 125°C (257°F).
3 Product Description
Flygt 3102 Installation, Operation, and Maintenance Manual 13
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