4 Operation
Study the instructions carefully and pay special attention to the warnings!
Step 4
CAUTION
The shaft seal must not run dry.
CAUTION
Never throttle the inlet side.
Do not allow
to run dry
3000-0074
Wrong
Step 5
Flushed shaft seal:
1. Connect the inlet of the flushing liquid correctly.
2. Regulate the water supply correctly.
3. Observe the steam data.
O: Free outlet
I: Inlet
3000-0075_1
O
I
T
max
= 100°C
P
max
= 1 bar (flush seal)
P
max
= 5 bar (double
mechanical seal)
Step 6
Control:
Reduce the capacity and the power consumption by means of:
-
Throttling the pressure side of the pump.
-
Reducing the impeller diameter.
-
Reducing the speed of the motor.
Throttling!
3000-0076
13
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