Charge Accumulator - Flowserve 682-53B System User Instructions

682-53B System
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WARNING – HOT SURFACES: The system and
STOP
surrounding surfaces might be hot. Take care when
touching components. Wear the appropriate PPE,
according to plant regulations
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WARNING – DANGER CHEMICALS: Dangerous
STOP
chemical might be released during removal of the
system. Wear PPE. Follow all safety regulations and
Plant regulations.
5. Attach the charge unit to the accumulator. Refer to
vendor documentation in the appendix for information
on the charge unit and accumulator.
6. Check the pressure gauge of the accumulator. Refer
to the vendor documentation in the appendix for
information on the accumulator.
NOTE: A charging kit of the same brand as accumulator
shall be used. Other brands (although connection size
might be the same) can cause damage to gas port of
accumulator.
7. Adjust pre-charge of the accumulator, if applicable (refer
to section 8.7).
8. Make sure the drain valve is closed.
9. Check set-up, and restart system (refer to sections 7.1
and 7.2).

8.7 Charge accumulator

Use this procedure to charge the accumulator with
N . The accumulator must be charged to the correct
2
pressure; otherwise the fluid seal will not work correctly.
NOTE: Before starting this procedure, refer to the
SSIOM000742-00 (EN/AQ) November 2022
vendor documentation in the appendix for any additional
information.
Procedure
1. Check the process conditions to see if the equipment
(in which the seals are installed) can be stopped.
2. Stop the equipment (including the pump), according to
plant regulations.
3. De-pressurize the equipment, according to plant
regulations.
2. De-pressurize the 682-53B system, and open the drain
valve.
c
DANGER – SUFFOCATION HAZARD: Breathing
N in a confined space can result in sudden
2
unconsciousness or death. Take extra care when
working in confined areas.
5. Attach the charge unit to the accumulator. When
floating strategy is applicable (according API 682 4
Edition), the charging pressure, related to the current
ambient temperature shall be considered.
Refer to the vendor documentation in the appendix for
information on charge unit and the accumulator.
NOTE: A charging kit of the same brand as accumulator
shall be used. Other brands (although connection size
might be the same) can cause damage to gas port of
accumulator. Recommended charging kit is Flowserve
part number C0351034ZZ.
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