Xylem GK GV (8203, 8203X) - Manual (Page 15)

Position Part Description
2 Impeller D-impeller
K-impeller
3 Mechanical seals Type: Mechanical face seal
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 . Motor data (page 50).
7 Stator housing The pump is cooled by the ambient liquid/air.
8 Support bearing The bearing consisting of a single-row ball bearing.
Monitoring Equipment
The following applies to the monitoring equipment of the pump:
• The stator incorporates thermal contacts connected in series that activates the alarm at
overtemperature.
• The thermal contacts open at 140°C (285°F).
• Ex-approved pumps must have thermal contacts connected to the control panel.
• The sensors must be connected to either the SMR 311 monitoring equipment or an
equivalent equipment.
• The monitoring equipment must be of a design that makes automatic restart
impossible.
• Information in the junction box shows if the pump is equipped with optional sensors
Optional sensors
LD LD is a miniature float switch for detection of liquid in the stator housing. Due to its
design it is best suited for pumps in a vertical position. The LD sensor is installed in the
bottom of the stator housing.
The data plate
The data plate
The data plate is a metal label located on the main body of the pump. The data plate lists
key product specifications.
Product Description
GK, GV (8203, 8203X) Installation, Operation, and Maintenance Manual 13