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Dival SQD-1 - MT 234-E - 02-2020
EN
MAINTENANCE
7.2
SQD-1 REGULATOR MAINTENANCE PROCEDURE
Preliminary Operation:
•
Ensure that the pressure upstream and downstream from it is 0
•
On the axis of the regulator, tick with a permanent marker the joints of the different elements. This action acts as
a guide and help the later reassembling phase.
SQD-1 Pressure regulators
Fig. 16
Device status:
installed and disconnected from gas grid
Authorized personnel:
maintainer
Necessary equipment:
see “Tab.7”
