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  1. whizzkas

    API 650 equivalent

    Can anyone tell me if there is a Chinese equivalent to API 650 Cylindrical Storage Tanks ?
  2. whizzkas

    Flange connections, Petrochemical industry

    Can anyone tell me why washers are never used with the stud bolts of flange connections?
  3. whizzkas

    ASME "U" stamp requirements

    Lostsailor, Thank's for the help. Whizzkas
  4. whizzkas

    ASME "U" stamp requirements

    Sorry Lostsailor, I should have been more specific, The Reactor refered to is used in a petroleum refinery, at an installation outside the US. Does this help?
  5. whizzkas

    ASME "U" stamp requirements

    A reactor manufacturer has requested a "User Design Specification" UDS, in order to supply a reactor with a "U" stamp. What is a UDS?, the manufacturer already has a design specification issued by the engineering contractor.HELP Whizzkas

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