Dear K.Nikhom,
Refer attached photo, We found PSV to painted work low quality and not according to the procedure of surface preparation and painting control in paragraph 1.5.8,
with the above problems and that cause damage to PSV, so please following the below ;
- to check how many all valve as painted and recheck for those damage
- if valve not yet paint please postpone
In this case is important for tag data and CE mark on those valve, please inform us for your the policy solutions.