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  1. petrotesting taha

    hardness for gate valves bonnet 10k

    thanks a lot sir
  2. petrotesting taha

    hardness for gate valves bonnet 10k

    dear ALL I want to know API 6A SPECIFIC REQUIREMENTS details regarding the minimum values of HBW for gate valves bonnet . if any body can advise . thanks
  3. petrotesting taha

    re-certification frequency for API 6A and API 16C equipment

    yes you are right , but I believe that maybe defined in API RB 53 , have you any information about . thanks
  4. petrotesting taha

    re-certification frequency for API 6A and API 16C equipment

    hello every body . I tray to find any clause in API 6A and 16C showing the re-certification frequency of the well control equipment covered by the both standard . so if any one can help me to know the re-certification frequency . thanks
  5. petrotesting taha

    Double studded Flange

    Dear All I looking to machining Double studded Flange (DSA) 4 1/16 5000 psi x 4 1/16 10000 psi using the 4130 AISI raw material according to API spec 6A. The thickness for each side is mentioned in the API stander ; please let me know who to calculate the totale thickness for DSA . thanks
  6. petrotesting taha

    thickness calculation for API Double studded Flange (DSA)

    Dear All I looking to machining Double studded Flange (DSA) 4 1/16 5000 psi x 4 1/16 10000 psi using the 4130 AISI raw material according to API spec 6A. The thickness for each side is mentioned in the API stander ; please let me know who to calculate the totale thickness for DSA . thanks
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