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  • Users: mahimetal
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  1. mahimetal

    body gas testing

    We manufacture API 6A gate valves and Wellhead equipments. Here we use Nitrogen to perform high pressure static tests. It is mentioned (in API 6A) the gas could be nitrogen,methane,air or other mixtures of gases. I'm wondering how would it be if I replace Nitrogen with Air?Would the oxygen...
  2. mahimetal

    thread desing

    I need a book or software to design threads,specially sealing threads for petroleum applications,i appreciate your tips; Regards
  3. mahimetal

    ACME threads

    How can I calculate the flat size of minor or major diameter in ACME threads??? Regards.
  4. mahimetal

    API 6A PR2

    I am working on PR2 testing ,i have a problem.API 6A Annex F (F1.8 b) notes that: 1."Gas testing is required for equipment for rated working pressures of 69,0 MPa (10 000 psi) and higher " 2.and it assumes all the dynamic tests on valves at minimum or maximum rated temperature should be...

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