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Recent content by akdk64

  1. akdk64

    Check valve on Floating Roof Drain

    I would like to know which of the following check valves are best suited for installtion on the (API650) Floating Roof Darin Sump: Normal Swing Check valve or Ball Float Check valve? As these valse are required to function well against very small delta P, in our experience the later has been...
  2. akdk64

    NFPA-11, last edition before 1995

    I am stuck with a contract claim and need to check what was the latest edition of NFPA 11 available in year 1995 (December). Further, is it possible to request content of clause 3.7 "Diked Area" requirement of Fixed Foam protection system in that edition? I have 1988 edition and 1998...

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