Flowserve 682-53B System User Instructions page 16

682-53B System
3. Use an appropriate lifting device together with the
available lifting lugs on the 682-53B, to position
the 682-53B system as close as possible to the
mechanical seal. Make sure you leave sufficient room
for operation and maintenance purposes.
4. Attach the stand firmly to the ground or base-plate of
the equipment
ú
WARNING – HIGH PRESSURE: The cooling water
STOP
circuit of the 682-53B system is not protected
against overpressure. If the return line is closed, a
water line could burst. Make sure a pressure relief
valve is installed in the cooling water circuit.
5. Install the water cooler, according to the Installation
requirements. Refer to sections 6.2.2 and 6.2.3.
6. Manufacture the interconnecting piping according to
the Installation requirements. Refer to section 6.2.4.
NOTE: Not all of the connections in the following step
may apply to your system (some are optional). Also the
names used in this procedure may vary slightly to the
names in the GA drawings. Refer to the GA drawing(s) in
the appendix for full details. In case of doubt, contact the
Flowserve representative.
7. Make the following connections:
• Barrier fluid supply line to mechanical seal: Connect the
"to seal connection" to tap LBI (barrier fluid inlet) on the
mechanical seal flange.
• Barrier fluid return line from mechanical seal: Connect
the "from seal connection" to tap LBO (barrier fluid
outlet) on the mechanical seal flange.
SSIOM000742-00 (EN/AQ) November 2022
• Drain: Connect the "drain connection" to a drain or a
disposal point. Depends on the configuration of the
682-53B.
• Vent: Connect the "vent connection" to a vent or a
disposal point. Depends on the configuration of the
682-53B.
• Fill: Connect the "fill connection" to a fixed makeup
unit, or provide quick connect to fill with mobile refill
unit. The fill line is provided in a vertical orientation,
however if preferred the fill line can be rotated 90
degrees to a horizontal orientation with the gate valve
handle pointing up. If the fill line is rotated additional
piping support will be required near the fill connection.
• Cooling water connections Inlet and Outlet: If
applicable, connect the "cooling water inlet line"
to the cooling water IN connection; Connect the
cooling water "outlet line" to the cooling water OUT
connection.
• Electrical connections: Wire the electrical connections
for instrumentation according to the applicable
instrument and plant requirements; Wire the power
supply for the electric motor of a forced draft cooler
(FDC) or circulation pump according to the applicable
electric motor and plant requirements. Refer to the
vendor documentation in the appendix for more
information.
NOTE: For locations of the connections, refer to the
connections table on GA Drawing in appendix.
NOTE: Flange covers provided with system are for
shipping only and are not pressure containing.
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