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  • Users: Gorik
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  1. Gorik

    Flange coating damage

    Folks, thanks for all replies! Additional info that I forgot to mention on original post. 1) It is butterfly valve on the photo. 2) Studbolts and nuts should be lubricated (Molycote 1000) as per internal spec, though need to recheck with guys on site if it was done. 3) Flange misalignment and...
  2. Gorik

    Flange coating damage

    Hi, Recently while walking on site noticed some damaged coating on the flanges (see photo). Guys told me that it is the common issue after torquing. They making some field repair, though it's still more prone to corrosion. So, maybe I could get some advice on how to mitigate this. Maybe some...
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