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  • Users: NAPB
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  1. NAPB

    API 6A WAFER CHECK VALVE MANUFACTURERS

    Team, Does anyone know an API 6A Wafer Check Valve manufacturer? Thanks in advance!!
  2. NAPB

    SHELL, CHEVRON, EXXON-MOBIL, CONOCO-PHILLIPS VALVE VENDOR LIST

    Do you guys know where can I get Valve / Actuator approved vendor List for companies mentioned above? Thanks, NAPB
  3. NAPB

    API 600 VS BRITTISH STANDARDS (BS1873 / BS1868 / BS1414)

    Could any one tell me where can I find some information such as comparations, differeneces between these standards)? Thanks, Nerio Parra.
  4. NAPB

    Lubricated & Non-Lubricated Plug Valves?

    As far as I know there are Lubricated Plug Valves & Nun-Lubricated Plug Valves. According to my short experience Non-Lubricated Plug Valves are mainly used in process industries like petrochemical or refining & Lubricated Plug Valves are used in Crude Oil Pipelines. Can anyone tell my why...

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