Bell & Gossett MK MV (8204, 8204X) - Manual (Page 15)

Position Part Description
3 Mechanical seals Type: Mechanical face seal
4 Seal housing Includes a coolant that lubricates and cools the seals; the housing acts as a buffer between the
pumped fluid and the electric motor.
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 49).
7 Stator housing The pump is cooled by the ambient liquid/air.
8 Support bearing The bearing consisting of a two-row ball bearing.
9 Inspection
chamber
Equipped with an FLS 10 leakage sensor to prevent damages to the motor.
10 FLS 10 For information about FLS 10, see Monitoring Equipment (page 13).
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
MK, MV (8204, 8204X) Installation, Operation, and Maintenance Manual 13