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  • Users: Rovshan
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  1. Rovshan

    22" Trunnion Monunted Ball Valve as a Single Valve DBB

    Hi all Could you please check and advise which type of seat is indicated? DPE or SPE and can we use such type of seat valve as a DBB/DIB as a single valve?https://files.engineering.com/getfile.aspx?folder=158b36e9-aa4b-493e-b91d-d709d52f6366&file=type_of_seat.jpg
  2. Rovshan

    14 " Trunion mounted Ball valve

    I would like to purchase 14" Trunnion mounted Ball Valve, Metal seated, FB. for Low temp service. Manufacture offered 1 casted piece(body) and 2 forged pieces(ends). Honestly saying this is new to me. As I know body is supposed to be the same material ( I mean Forged or Cast but not combined)...
  3. Rovshan

    API 6D vs ASME B16.10 face to face dimension

    Good day, all. As you know API6D has its valve face-to-face dimension table also ASME B16.10 also has. Question: When we should refer to these standards to identify the face-to-face dimension? Can we use API 6D with ASME B16.10 dimension? Please share your notes Regards
  4. Rovshan

    4 inch DBB valve

    Dear Valve specialists Could you please advise which type of valve can be used as DBB function for 4"? But not monoblock DBB valve. Other word: 1 ball, 2 seats Regards

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