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6.3 Long shutdowns of the valve
Possible reuse after long shutdowns
Set the valve in safety condition before carrying out any operation.
During valve shutdowns:
1) Avoid damp and salty atmos pheres.
2) Place the valve on wooden platforms, or protected from unfa vourable weather conditions.
Before starting operation:
1) Set the valve in safety condition.
2) Before starting the valve, check the electrical system, pneumatic system and all parts the working of which
may be affected by long shutdowns.
3) With materials that tend to harden or become sticky because of long periods of stor age, ensure there are no
material residues. Otherwise clean the area thoroughly.
4) Before starting up the valve, clean it thoroughly by following the instructions given on the material safety
chart.
Prior to installation the valves for food applications (model GF) shall be subjected to cleaning and sanitation by
means of a woven/non-woven cloth and sanitizer spray.
When the valve remains unused for long periods, proceed as described below.
1) Check the main nuts and bolts to make sure they are tightened properly.
2) Set the valve in safety conditions before starting operation and make sure the valve is completely empty.
3) Check the connections to the electrical and pneumatic supply and all parts the working of which may be
affected by long shutdowns.
4) Clean the valve thoroughly by following the instructions given on the material safety chart.
5) If the valve operates in different conditions, or using materials different from the previous application, ensure
this use complies the INDICATIONS FOR USE section.
6) Start up the valve (see "Production Start-up").
6.4 Reuse
Important
If the valve is to be used in different conditions and with materials other than the previous application,
ensure the "Permitted use" indications are complied with.
When reusing a valve, follow the steps mentioned in part 6.3.
Danger - Warning
Before carrying out any maintenance operation, activate all the safety devices for the safety of the
persons involved in the operations and those nearby.
Set the valve concerned in safety condition.
Wear suitable personal protection devices; in this regard, consult the person in charge of safety of
production activities.
VCP
6.0 INFORMATION REGARDING USE
33
VAL.VCP.--.M.A5.1017.EN
10.17
2
Issue: A5
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