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DANAÏS TBT II Butterfly valve
Butterfly valve


Double-offset butterfly valve for cryogenic applications; full-lug body (T4), flanged body (T7) with flat or raised faces, or body with butt weld ends made of stainless steel to ASME Class 150, JIS, fire-safe design. On request degreased for oxygen service. Manual gearbox, pneumatic, electric or hydraulic actuator.
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Main Applications

  • Natural gas liquefaction
  • Shipbuilding
  • Pipelines and tank farms
  • Process engineering

Technical Data

  • Nominal pressureCL 150
  • Max. nominal sizeDN 1400
  • Max. allowed fluid temperature200 °C


  • Extra long neck
    • allows continuous heat insulation between pipe and valve
  • Flange faces with large sealing surfaces

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    TitleFormatSizeLast change
    2-page product description Danais TBT II (8460.025_EN)PDF2.674/19/2021
    TitleFormatSizeLast change
    Declaration of conformity - PED (8401.8502_EN)PDF0.415/7/2021
    TitleFormatSizeLast change
    DANAIS (8450.810_EN)PDF3.294/19/2021

    Technical Data

    • FunctionShut off/control flow
    • Connection typeInstallation between flanges, Flange, Butt weld ends
    • Design concept DriveWith electric actuator, With handwheel, Hydraulic, With pneumatic actuator, Without
    • Casing materialGX5CRNIMO19-11-2/A351 GRADE CF8M, GX2CRNIMO19-11-2/A351 GR CF3M
    • Nominal pressureCL 150
    • Max. nominal sizeDN 1400
    • Min. nominal sizeDN 80
    • Max. allowed fluid temperature200 °C
    • Min. allowed fluid temperature-250 °C
    • Valve body typeSemi-lug type, Full-lug type, raised faces, Flanged body, raised faces

    Sectional Drawings

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