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10.3 Summary of periodical checks
The following is a list of recommended maintenance and inspections and their frequency.
FLOODED
FREQUENCY
PERIODICAL IF NECESSARY
Check the effective working conditions in compliance
with Producer indications and/or start-up declaration)
Every 3 years
Check the functioning of safety accessories Every 3 years
Check the functioning of measurement instruments Every 3 years
External viewing inspection for corrosion, erosion,
contamination and damage
Every 3 years
Check the tightening of screws Every 3 years
Inspection of thickness (where applicable) (see tabs.
for minimum thicknesses)
Every 10 years
Pneumatic test pressure (1.1 x PS) with clean air or
inert gas (min. 2h)
Every 10 years
Condensing temperature measurement X
Subcooling measurement X
Water inlet/outlet temperature measurement X
Water pH measurement X
Inspection of pump X
Cleaning X
THE RESPONSIBILITY FOR THE FREQUENCY OF CHECKS IS THE RESPONSIBILITY OF
THE USER. THE FREQUENCY MAY VARY DEPENDING ON THE TYPE OF PLANT AND
THE REGULATIONS ON THE CONTROLS OF THE PRESSURE VESSELS IN FORCE IN THE
COUNTRY OF USE.
10. Maintenance and controls by the user