We have quite a bit of experience with FRP flanges this size and larger. The flange should not be a major factor, other than the cost. We are currently inspecting a 5' diameter FRP Scrubber being built with body flanges and we have a great deal of history designing and inspecting this large...
This would appear to be edge peeling of the overlay laminates which are attaching the flange to the other equipment. This may not be a flange issue, as much as it is an attachment overlay bond issue. There are very few reliable / accurate ways to determine the depth of the peel using NDE. The...
