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  1. phil23

    CL 150 Flange Overstressed during Hydrotest

    unclesyd The gasket was a 150# flexitallic. The gasket did not leak.
  2. phil23

    CL 150 Flange Overstressed during Hydrotest

    Thank you all for responding. It is common for us to mix flange classes in a spool. We can have a higher class depending on the equipment the flange mates with. If we have a spool with mixed flanges then the lowest flange rating detemines the hydrotest.In this situation the spool should been...
  3. phil23

    CL 150 Flange Overstressed during Hydrotest

    Thanks jte One end of the spool is a cl 600 ansi flange & at the other end a cl 150 ansi flange. The flange rating of the cl 600 flange was used for hydrotest. P
  4. phil23

    CL 150 Flange Overstressed during Hydrotest

    We have over stressed a cl 150 Flange during hydrotest. The flange is part of a piping spool. Is there a way to prove the integrity of the flange or should it be replaced? Thank-you P

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