Draining The Unit - Process Technology LUFRAN Instruction

Shutdown (Continued):

Draining the unit:

5) Close the customer installed service shutoff valves on the inlet and outlet of the unit.
Apply any necessary lockout/tagout device.
6) Position the customer supplied 3-way valve on the inlet of the unit to open the
heating columns to a non-pressurized drain.
7) Open the capped fitting of the customer supplied TEE fitting on the outlet of the unit.
The heating columns will start draining.
8) Optional: the customer may apply pressurized N
draining of the heating columns. Gas pressure must not exceed 1 Bar (14 PSI).
9) When the unit is finished draining, shut off the optional pressurized gas and close
the fitting on the TEE fitting.
10) Shut off the purge gas supply. Apply lockout/tagout devices as necessary.
M-43-01
Revision - Date: 08 – 04/06/15
or CDA gas to expedite the
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Lufran Single Outlet Manual