MSD
TM
Series
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Installation Procedures Continued
Optional High Pressure Seal Carrier
If equipped with an optional high pressure seal carrier, the vent line from the HPSC should be
positioned to drain to atmosphere or connected to a feed pipe with a pressure not exceeding 150
psi (10 bar).
WARNING
Under no circumstances should the vent line be plugged. A plugged vent line will result in insuf-
cient water lubrication of the seal and balance disc causing internal damage to the unit.
HIGH PRESSURE
SEAL CARRIER
VENT LINE
TO ATMOSPHERE OR
LOW PRESSURE
(LOW PRESSURE
FEED PIPING)
Figure 97 - High Pressure Seal Carrier Venting
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