Flowserve Seal Support Reservoir Manual de usuario Pagina 3

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Dual Inside Seal with Induced Circulation
Through Supply Tank with Cooling Coil Figure 1
Plan 53A/ANSI Plan 7353A
Pressure source
4 feet (1.2 m)
maximum
1.5 - 2 feet
(0.45 -0.6 m)
minimum
Orifice
option
Bypass line
from pump
discharge
Supply
tank
assembly
normally open
Level switch (low)
Pressure
switch
(low)
Pressure
indicator
Cooling
coils
Drain
normally
closed
Plan 53B/ANSI Plan 7353B
What
Pressurized barrier uid circulation
through reservoir.
Fluid is circulated by a pumping ring
in the dual seal assembly
What
Pressurized barrier uid circulation
with bladder accumulator.
Fluid is circulated by a pumping ring in
the dual seal assembly.
Why
Isolate process uid.
Zero process emissions.
Higher pressure than Plan 53A.
Plan 53C/ANSI Plan 7353C
What
Pressurized barrier uid circulation with
piston accumulator.
Fluid is circulated by a pumping ring in
the dual seal assembly.
Why
Isolate process uid.
Zero process emissions.
Higher pressure than Plan 53A.
Dynamic tracking of system pressure.
Why
Isolate process uid
Zero process emissions
Typically used <150 psig (10.3 bar) pressure
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