How to Replace an FRP Flange
How to Replace an FRP Flange
A Flush Drain Nozzle on an FRP Tank at a Water District in the San Francisco Bay Area February 2023
First, cut out the old flange




Surface Preparation



Surface Preparation – Inside the Tank for the internal FRP joint
The new FRP Nozzle is positioned with FRP putty followed by an FRP lamination joint with MRM layers per ASTM standard C582




A set of 4 new Plate-Type gussets were installed per ASTM standard D4097




Internal FRP joint is complete with several FRP MRM layers


Applying of a gel coat




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