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  1. marcello1983

    Difference Reduced Bore and Full Bore

    dear all, I kindly request to all the specialyst, which are the process requirement in order to choose a REDUCING BORE or FULL BORE. When I choose one respect the other. Thanks and best Regards Marcello
  2. marcello1983

    Pipeline Battery limit ASME 31.3 / 31.8

    Dear all, I kindly request to all the specialist if have put a battery limit between ASME 31.3 and 31.8 on BARRED TEE on pipeline configuration. This is create a problem for difference of thickness and special spool is required. In all the project I have seen a Battery limit at first flange...
  3. marcello1983

    HOT TAPPING - GAS PIPELINE - 52" - 42"

    Dear all, good day to everybody, I kindly request to all the specialist a help on the following matter : I have to do a HOT TAPPING on GAS pipeline existing 52" and 42". As far as I understand, for HOT TAPPING in GAS LINE is required to do a BYPASS in order to cut and install a new piece. In my...
  4. marcello1983

    WELD CLADDED MATERIAL WITH NORMAL CARBON STEEL

    Dear all, good night to everybody, we have a case downstream christmas tree for oil production 8" 2500 rating where is required 10D of cladded pipe for chemical corrosion inhibitor injection. After 10D of cladded material ( LTCS + 3 mm of ALLOY ) is request to change to Carbon steel 2500rating...

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